73 Magazine Radio Editions 1980 – 1990

73 Magazine Radio Editions 1980 – 1990

73 Magazine Radio Editions 1980 – 1990

January 1980 (#232)

o NBVM: Dawn of an Era or Promotional Hype? – the performance and politics of Narrow Band Voice Modulation …… N8RK 30
o Frequency Counter Survival Course – use that gadget wisely …… McClellan 36
o DX with a Difference: the Utility Stations – when the ham bands get frustrating, give SWLing a try …… WA3EOP 40
o How to Write a RTTY Program – machine language is easier than you think …… WA4FMZ 46
o The Perfect Morse Machine – send and receive CW with a dedicated micro …… WA5VQK 53
o Microcomputers and Your Satellite Station – part 1: calculating orbital crossing data …… WB8DQT 63
o A Brasspounder Improves Heath’s HR-1680 – add a crystal CW filter, bfo, noise blanker, and more …… KA5N 76
o The Dollar-Saver DVM – 3 1/2- digit unit features autopolarity, auto-zero, and a $30 price tag …… McClellan 83
o Personalize Your Repeater with a Voice ID – low-cost design uses 8-track decks …… K9EID 92
o The Nearly Perfect WE-800 – add an on-board charger, a TT pad, and …… K1OTW 96
o How to Make Your Own Crystal Filters – requires considerable patience, but very few bucks …… Staff 98
o The Procrastinator’s Special: A Simple Six-Band Antenna – this 10-160 end-fed vee goes up in a jiffy …… W6TKA/0 106
o They Don’t Make ‘Em like They Used To – home-brewing a hard-to-find neutralizing cap …… W2OLU 108
o The Europa-B Two Meter Transverter – work OSCAR and 2m SSB with this British import …… G3ZCZ 110
o Zero In on Zero Beat – an easy-to-make vernier for your tube-type oscillator …… W2OLU 112
o CB-to-10 FM – best conversion yet? …… K1DCS, N1XN, W1WRO/N2XN 117
o Home-Brew Holders for Icom Portables – keeps your IC-502, -202, or -215 on the level …… KH6IAA 131
o Catch You on the Flip-Flop – add a handy repeater reverse switch to your Memorizer …… K7ACN 132
o Personality Plus for your Repeater – this low-budget voice IDer will really wow ’em …… K9EID 136
o A Better Overvoltage Protection Circuit – the original was good …this version is better …… W7RXV 140

February 1980 (#233)

o CB-to-10 FM Continued – another way to join the fun on 29.6 …… WB2EQG 42
o Sunspot Predictions for 1980 – whither propagation? …… WA3NKP 47
o An End to Dials and Meters? – nope … but discrete LEDs make an interesting substitute …… Staff 50
o The Paper, the Station, and the Man – a brief history of the New York Times radio stations …… W3CFC 54
o QRP from Canton Island – proving all things are possible …… KH6GB 63
o In Search of Power line Interference – how to find it and get it stopped …… W4PZV 66
o Hard Copy from your Xitex Terminal – when a video display isn’t quite enough …… W5SBL 70
o Excavation Litigation – don’t dig a hole without your lawyer …… Hecht 72
o Noise Rejector II – an exciting sequel …… WB6ZYK 74
o Trouble-Free ID Timer – for repeaters …… WA8HEB 76
o So You Want to Build a Beacon? – here’s how …… K9EID 78
o Working with FETs – part III: the source follower …… WA2SUT/NNN0ZVB 82
o Microcomputers and Your Satellite Station – part II : ground station antenna bearings …… WB8DQT 86
o Design Practical PLL and Timer Circuits – program generates standard R and C values for 567s and 555s …… N2RG 92
o DUPECALL … for Your Next Contest – let your SWTP do the duping …… K4TSY 96
o Add ‘Em Up: An IC-22S Programmer – select a frequency by adding the settings of three switches …… AA4RM 103
o The Oscilloscope Survival Course – the finer points of scope usage …… McClellan 106
o 6m Fun with the FT-625RD – six is hot, so why not? …… W6OJF 114
o Albert and his Momentous Theories – a layman’s look at Einstein …… Lutus 116
o Go-Cart – wheels for your test equipment …… W4MEA 134

March 1980 (#234)

o Good-Bye to Autopatch Hassles – low-cost remedies to common problems …… WB2LEI/4 30
o Baudot-ASCII Converter Follow-Up – add a FIFO buffer for typing ease …… VE4YD, VE4CM 34
o CB to 10 – part XXII: more talk power for the TRC-11 …… N4APN 38
o The L With It – an alternative to the variable inductor …… K4KI 40
o Future Rig and Rigamarole – are you ready for faster-than-light propagation? …… W6HDM 44
o Gone But Not Forgotten – supermods for the HW-2021 …… AD5X 48
o The History of Ham Radio – part XI …… W9CI 54
o CB to 10 – part XXIII: the Sears Roadtalker 40 …… W6SZS 58
o Neat Readout for the 2036 – displays frequency on S-meter face …… K3GRX 62
o Modernize That Boat Anchor! – older tube rigs are more fun when you give them the solid state treatment …… AD5X 66
o Ham Shack Numerology – a gentle introduction to electronic math …… W6HDM 70
o COMPULOG: A Multi-Purpose Record Keeper – whither the paper logbook? …… WA1ZSE 74
o Computer System I/O Interface – handles RS232, 20-mA loop, and KC Standard conversions …… VE3CAF 78
o Number Fun on your Micro – explore mathematical curiosities with your TRS-80 …… W3KBM 80
o Baudot Message Formatter – In BASIC …… W6RLL 82
o Lab-Quality Hi I Supply – part I …… McClellan 88
o A Do-It-Yourself Speech Compandor – let’s experiment! …… W6TNS/7 96
o Morse Converter for Frequency Displays – another break through for blind hams …… WA6AXE/KH6 107
o On the Trail of the Hamburglar – retrieving ripped-off radios …… W0EX 116

April 1980 (#235)

o Sunspots… What Do They Mean? – your guess is as good as mine …… G3WDI 32
o More on Jammer Nabbing – hints on equipment and strategy …… WB0CMC 36
o Cheapy Scanner for the Memorizer – is $5 cheap enough for you? …… WA2ORU 38
o Back to School – we can still learn a thing or two about basic electricity …… W6HDM 40
o Moving Display ASCII Readout – works with UARTs, keyboards, and micros …… W8VL 46
o Lab-Quality Hi I Supply – part II …… McClellan 54
o A Better Car Regulator – improved reliability …… Gelsinger 58
o Test Gear Bargain from Heath – a multi-purpose RCL bridge …… Staff 62
o Semiconductor Test Gadget – use with your scope …… Truesdale 64
o Shoes and Socks for the IC-502 – when your vacation ends, you’ll appreciate this amplifler/PS combo …… N4QH 66
o Hams on The Trail of UFOs – the Army’s “flying saucer” movie… did you see it? …… K8NQN 68
o Hi-Fi CW for the TS-820 – the SSB filter copes with numbing noise …… K3HBP 70
o Going 2m All-Mode with Yaesu’s FT-225RD – not just another pretty face …… W6OJF 72
o The PL-259 Connection – reducing adapters need not try your patience …… AC5P 73
o A Micro-Controlled Ham Station – TRS-80 does it …… W4UCH/2 76
o CW and the TRS-80 – send Morse with a Level l …… WB7TUG 80
o A Solid-State RTTY Keyboard – with auto-shift …… K2BLA 88
o SWLing? Try This Souped-Up SSR-1 – digital readout and more for Drake’s fine receiver …… G3WDI 92
o Off to MARS with the S1 – mod is also useful for oddball repeater splits …… K5EDS 96
o Field-Strength Fever – this simple meter eases antenna tuning …… W6DOB 98
o CB to 10 – part XXIV: Penny’s SSB rig …… WA4UUV 100
o Build an Audio VOM – and keep your eyes where they belong …… AC5P 104
o Sound-Sensitive CW Sender – for hands-free Morse …… W2GZ 106
o A Tightwad’s FSK Demodulator – using the 567 PLL …… WA5WPQ 108
o Measure Frequency on your DVM – this 3-chip circuit works to 10 kHz …… W3HB 115

May 1980 (#236)

o Home-Brew Rf Impedance Bridge – indispensable tool for antenna fans …… WB6BIH 30
o Rotary Beam for 10 or 15: the LB-2 – eliminates nasty matching problems …… W6TYH 36
o The 20-Meter Double Bobtail …… W8HXR 44
o Simple Switcher – a remote antenna switch with no control wires …… WB5SFB 48
o Taming the Monster Quad – a four-element blockbuster you can build …… WA4JQS 50
o For Cheapskates Only: A No-Frills Tilt-Over – requires a friend with a welding rig …… W9YFG 52
o VHF Signal Diffraction – why the highest antenna may not be the best …… W5GFE 56
o Wear Your Halo with Style – Mork would love it …… W9NMX 58
o Curtain Raiser – simple Sterba curtain antennas …… W2JTP 60
o Who Needs a Rotator? – how to do without …… W8HXR 61
o A Tri-bander for the Attic – work 10, 20, and 40 with this compact antenna …… W4UCH 62
o Hurricane! – when David ravaged Dominica, hams were at their best …… 8P6KX/9Y4JW 68
o A “Short-Yard” Antenna for 40/75 – fits where others won’t …… W9CRC 78
o Antenna Fans: Try The Skeleton Slot – an improved driven element for VHF/UHF …… Staff 80
o The Capacitive Coaxial Ground Wire – could this be the end of TVI? …… DA1TM/WD9HBB 82
o Stick ‘Em Up – install this 2m Bi-Loop anywhere …… W82MYT 83
o Old Fishermen Never Die – they just learn to raise dipoles …… WA4LLE 84
o Breakthrough! A Computerized Antenna Rotator! – KIM-l can do! …… K3LF, WB3CTZ 86
o Antenna Engineer – predict performance of phased arrays with a TRS-80 …… K8UR 96
o SWTP/H14 Get-Together – a driver routine for the Heathkit line printer …… WA8GTG 100
o Hustler Minibeam: the Mobileer’s Secret Weapon – two-el beam fits in your trunk …… K4TWJ 104
o The Pope Comes to the Cornfields – and Iowa amateurs provide the communications …… WD0AKB, AK0Q 108
o Confused About Phased Arrays? – educate yourself with this simple model …… W5JJ 118
o A Beam for Less than a Buck – have a ball for eighty cents …… KA8CGE 122
o The California Crank-Up – most convenient mast around …… W6WDF 131
o The Beachside 2-Meter Beam – stands up to salt spray …… K1QPS 132
o Double Duty Mag-Mount Antenna – it’s a portable GP, too …… K4IQJ 134
o A 40-Meter Quad for $20 – assuming you own two towers …… WA4JQS 136
o A Dirt-Cheap Tower Base – you can take it with you …… WA5TDT 138
o Tri-band Dual Delta – here’s an attic antenna that works …… WB6MMV/7 146
o Try a Fox and Hare Special – antenna for DF operations …… SV0WX 148
o The IC Outener – remove soldered-in chips …… WA4WDL, WB4LJM 150

June 1980 (#237)

o One Step at a Time: Designing Your Own Ham Gear – part I …… W4RNL 28
o Down with Interpolation – a digital display for the Triton and others …… W4FQ 36
o Hooray! An AFSk Auto IDer! – a clean and and legal ending for RTTY transmissions …… K3IJ 42
o Let’s QSY to .52 – ah, technology …… WB2RVA 44
o Five Test Equipment Bargains from Heath – the 5280 series features plenty of measuring power per dollar …… W2QFC 46
o The Phoenix Fix – an alarming analog-to-digital conversion for out-of-time clock-radios …… WA3AJR 48
o QRQ, QRS- By the Numbers! – a digital CMOS code-speed indicator …… W7BBX 50
o Adding a Scanner to Your 2m Rig – here’s a method that works with many scanner/transceiver combos …… WA8HEB 54
o Digital Transistor Checker – a “hands-on” project …… W4QBU/PY2ZBG 56
o CB to 10 – part XXV: using those surplus 40-channel boards …… AF8B 58
o The Stolen Rig Retriever – built-in gadget automatically sends your call with every transmission …… WB6KBM 60
o Constructing QRP Dummy Loads – useful and inexpensive …… W1OLP 64
o The IC-211 Cookbook – mods and tweaks to improve performance …… K3VGX 68
o Talk a Hike – backpacking with an HW-8 …… K4FD 74
o Tuning Antenna-Mounted Preamps – do it without additional wiring …… Staff 78
o PC Artwork Made Easy – lift layouts from the page with transparent contact paper …… W3HIK 80
o Electronic Dice -a Family Pleaser – Las Ve gas, look out! …… W7BBX 82
o Fun with Foozle …… W7BBX 84
o The Demise of Component Stores – parts places are past their prime …… VE3FLE 88
o Priority Frequency Power-Up for the FT-227R – the right place every time …… WA1AUM 90
o Computerize Your Contest Paper-work – two BASIC programs do it all …… WA8WIA 94
o Emulate an Elephant – but let your micro bear the burden …… VE6BB 98
o Prefix Challenge – try this while you’re waiting for the band to open up …… AG6P 104
o Check Chirp with a Choke – get 599 every time with this quick fix …… WA2MEL/6 111
o Reawaken that Sleeping Rx – first steps in receiver alignment …… Sara 112
o Rubber Thumbs and Pilot Lamps – if you’re all thumbs, enlighten yourself! …… K3MPJ 114
o Tempo S1 2-Meter Portable – 800 channels, to go! …… WB9HRV 118
o A Proper Pedestal for PCBs – handy holder eases circuit board construction and repair …… Staff 120
o Surplus Treasures – assemble a quality ham station for less than $200 …… K1VIC/2 122
o Listen in Secrecy with a Giant Inductive Loop – monitor your rig anywhere in the house -without wires …… ZL2AMJ 124
o Those Hamtronics Kits… How Can You Use Them? – an in-depth look at some electronic bargains …… WA4PYQ 130
o 10 Meters for the SB-221 – add the “missing” band …… WA2KSM 134
o Another Place, Another Time – working the paranormal band …… Anon 136
o Who Needs a $40 Soldering Iron? – here’s why you may want to invest in one …… Staff 144
o Outboard Power for the 820 – it’s easy to connect a second set of ears to the Kenwood transceiver …… KL7GRF/6 146
o CB to 6 – convert a 49 MHz HT into something …… W9CGI 148
o Digital Boat Anchor – using pencil, paper, and a frequency counter for receiver readout …… WB1ASL 152

July 1980 (#238)

o The Rites of Spring – Dayton does it again …… N1AUI, WB8BTH, KA1HY 30
o One Step at a Time: Designing Your Own Ham Gear – part II …… W4RNL 36
o Top-Banding the DX-60B – put a classic rig on a classic band …… WB1ASL 44
o Forward into the Past! – a solid-state restoration project for a vintage BC receiver …… W5JJ 48
o ADDSCAN – now you can be two places at once …… WB9FSC 52
o Flat Cells are No Fun! – build a battery status monitor …… WA3ENK 56
o When Plus Goes Minus – a 555-based negative power supply …… Minchow 58
o Depolarize that Power Supply! – positive or negative grounds won’t bother you anymore …… AA6C 60
o Transform Noisy Fluorescents – “temporary” solution …… W2OLU 64
o Early Radio Detectors -A Backward Glance – pulling rf from the ether was (and is) no easy trick …… WSJJ 66
o Sheathe Thyself – a cheap trick to pull on old rubber duckies …… WA8WTE 70
o CB to 10 – part XXVI: the Cobra 132 …… WA1UQC 72
o FT-227 Update – more mods for the Fox-Tango set …… WA1GPO 74
o “That’s the Way It Was” …… K2VGV 78
o All About Coordinated Universal Time – GMT has become UTC, but the reasons for using it are as valid as ever …… WA7NEV 80
o Don’t Be a dB Dummy! – use a pocket calculator to deal with decibels …… McMahan 82
o The Sweet Sounding Probe …… W7BBX 84
o Silence is Golden – reassemble noisy transformers to eliminate hum …… Powell 91
o Welcome to the ’80s – Radio Shack and Macrotronics make computerized operation a reality …… K3PUR 92
o The Multi-Media Bench Tester – this audio/visual device will test your diodes, SCRs, transistors, and more …… WD4KFF 106
o CB to 10 – part XXVII : new life for SSB CB rigs …… N6SD 108
o Build the ZL Paddle – brass with class …… ZL2GA 118
o Repeater Time-Out Warning – put time on your side (relatively speaking) …… KA6A 120
o CB to 10 – part XXVIII, double your channels in SSB conversions …… WB2EQG 122
o Ham Economics: Selling Used Gear – be wily …… K5CA 124
o A Final Solution – make life easy for your filaments …… W4ANL 125
o The NMX Relay Deceiver – pull in those 24-V relays with a mere 12 V …… W9NMX 128
o Who Needs SSB? – using your FT-101 on 10m AM …… K6JS 130
o Like to See My Etchings? – chemical technique keeps your property at home …… W6OJJ 132
o A Low-Life Antenna – tune in on the life below 500 kHz …… AB5S 134
o The Don Nobles Descramblers -listen to what you’re not supposed to hear …… WA4PYQ 148
August 1980 (#239)
o The Soft Mount -mobile mounts enter the space age …… W2QFC 32
o Notes from Big Sky Country – the further adventures of Dr. Hess …… W6CK 36
o Meet the Little Giant – everyman’s sheet-metal tool …… K4JHN 46
o On Ten FM – home of the free, land of the brave …… WB2EQG 52
o The Rains of Morvi – duty in disaster for Indian hams …… VU2ST 60
o Those Fabulous Fifties – an era in retrospect …… W1FK 64
o Trash All Your Worries – Baron Von Rhonstead and the RFI caper …… WA5TUM 70
o Two Dollars a Tone – an inexpensive subaudible generator based on the S2559 …… K8SCL 74
o The World Above 430 – part I: getting there is easier than you think …… W9CGI 80
o Over There – notes from Kilroy …… W9IWI 86
o Busman’s Holiday – combine hamming with pleasure on your next vacation…… K4BKK/VP1RS 96
o A Soft Approach to Logging – electronic data base management for hams …… Minor 100
o RTTY with the H8 – a Heath-based RTTY system …… W5IFQ 106
o A Different Kind of Charger – take a Gel/Cell to lunch …… WB6MXD 115
o “No Problem… No Problem” – tales of DX contesting with VP2KC …… W4LVM 122
September 1980 (#240)
o In Profile: Dick Bash KL7IHP – the father of The Final Exam speaks out …… N1AUI 40
o That Mysterious Mode: 10 FM – an examination of propagation phenomena …… WB2EQG 44
o The World Above 430 – part II: next stop, 1296 …… W9CGI 52
o Bridge Over Troubled Audio – another method for driving speakers …… K4IPV 56
o Load a Lawn Chair – even if you can’t carry a tune, you can build this matchbox …… WB5PPV 60
o The Penultimate CPO – a non-discrete LSI device …… N6HI 62
o Get Out and Vote – a grass roots project for this election year …… WA9FDP/WR9ACD 64
o A Wider Windom – broadbanded sans transmatch …… WA4PYQ 68
o RYRYRYRY – an electronic torture test for RTTY systems …… Minchow 70
o Goin’ Mobile – equipment for air-conditioned gypsies …… KL7IPE/DA1SM, DF7NM 76
o Inside Radio Shack’s Digital Receiver – SWLing with the DX-300 …… W4PGI 80
o The Two-Meter Monkey – not just another linear …… KL7GLK 84
o RTTY QSK – break in to RTTY operation with a KOR …… CT1EM/PY1AQL 88
o A Programmer’s Potpourri – fifteen practical programs for hams …… K2OAW 90
o CB to 10 – part XXIX: put that Hy-Gain CB board to use …… W1BG 102
o Old Receivers Never Die – but occasionally they do get sick …… W4ANL 111
o The Battery Minder – a real turn-on for chargers …… K4GOK 112
o Working in Wood – tilt-over home-brew for $2 a foot …… WB3ICL 116
o The Two-Hour Audio Amp – quick to construct, easy to use …… K7HKL 118
o Power X 2… Plus! – an improved two-battery auto electrical system …… WA5TDT 122
o The Little Thinker – a quick puzzle project …… WB4RXB 126
o A Conversion with Gusto – throw your weight around on six …… WB2WIK 130
o The Confidence Builder – a CW speedometer …… WB4TYL 134
October 1980 (#241)
o Escape from Mt. St. Helens! …… W7WFO 34
o Sheila Ran! – a sightless sprinter’s triumph is one of ham radio’s finest hours …… WB41IFF 38
o The First Man in Space Was a Ham – UA1LO remembered …… W1QMS 42
o NASA Satellites You Can Use – with permission, of course …… K40VK 50
o Undertones – a fractional frequency oscillator …… W4FEC 56
o The Arcane Art of ATV – the transverter approach to fast-scan television …… WB8DQT 60
o How to Make a Good Scanner Better – a bevy of useful mods …… WA4PYQ 68
o Win Friends for Your Club – PR is the name of the game …… WA5TUM 76
o Field Strength for Free – a home-brew conversion …… Staff 82
o The QRM Killer – antenna alternative for 40 …… W9HBF 88
o PC Boards- A Photographic Method – it’s easy when you take it step by step …… WB5HGR 104
o Free CMOS Timers – build one-shots from spare inverters …… WD5DDR 113
o Late Check-Ins Come Now – zero-beat on this computerized NCS system …… N8AD 120
o A Computer-Controlled Talking Repeater – Part I: Introduction …… WA6AXX 124
o Murphy’s Own OSCAR Tracker – simple pointer for satellite antennas …… K8BG 132
o Counting with Class – build this SOD-MHz LSI frequency counter …… WB4EKB 134
o A Transistor for True Believers – tubes forever? Not with FETs! …… WB7CMZ 142
o Stay Cool with TM – use thermostat modulation to lower your heating costs …… WB2EQG 144
o One Man’s Magazine: Twenty Years of 73 …… N1AUI 146
o How To Be An Amateur …… W2ZGU 156
o Some Guys Make It – and then there’s us …… K2ORS 168
o The 40-Meter Band Blaster – this antenna works, but why? …… W9HBF 179
o Gilding the Lily – FT-101 mod for the crazy purists …… WB4HLZ 188
o Mike Mods for the KDK-2016A – improved scanning …… WB9WNU 190
o Clock Blocks – a compendium of TTL and CMOS oscillators …… K4IPV 192
o Build a Better Battery Tester – test ’em under load …… Staff 196
o Getting the SB-220 to Idle – a final-saving mod for Heath’s popular linear …… W9RY 197
o Egad! An Easy-to-Build Synthesizer! …… N4CEY 210
November 1980 (#242)
o VSWR… Automatically! – simplify antenna matching with this tune-up aid …… WB0GWP 42
o Welcome Back, Barry! – the Scottsdale RC’s most famous member …… K7NZA 52
o Return to Shangri-la – a visit with 9N1MM …… W1QMS 58
o Direct Conversion lives! – excitingly simple receiver project …… ZS6UP 64
o Hams vs. Hurricane Allen – 73 aids St. Lucia relief efforts …… N8RK 70
o Tune In the Wind – a do-it-yourself hot-wire anemometer …… VE7DKR 80
o Direct Printing FAX – get photographic-quality reproduction for 6 cents a copy …… WB8DQT 90
o Breadboard Signal Generator – sell your H-P stock once you build this project …… K3QKO 100
o The Odd Couple – CASEY/1 tackles OSCAR’s telemetry …… WA9LRI 110
o PL Tones from a KIM-1 – a real time wasting project …… WD8CHH 112
o A/D Converters Explained! – another enigma unraveled …… WB4UHY 122
o A Computer-Controlled Talking Repeater – Part II: microcomputer details …… WA6AXX 132
o The Radio Spectrum at a Glance – from VLF to UHF, SWLing is fun …… WA4PYQ 142
o Be Prepared! – 30 meters for the FT-101B …… KB8NO 156
o Automated Operating Comes of Age – Microlog’s ATR-6800 …… K3CMY 170
o New Weather Eye in the Sky – a primer on NOAA’s TIROS …… WB8DQT 176
December 1980 (#243)
o Who Really Invented Radio? – the twisted tale of Nathan B. Stubblefield …… WB2NEL 36
o In Search of the Elusive SES – track solar activity with this simple VLF receiver …… WA3UER 42
o An Even Better IC Timer – better than what? …… WA0PBQ 46
o Direct Printing FAX – Part II: constructing the facsimile recorder …… WB8DQT 52
o A 600-MHz Universal Counter – you’ll freq out over this one …… W4VGZ 58
o Top-Banding the DX-60B – Part II: a companion vfo …… WB1ASL 64
o An Amp for QRPp Addicts – build this resistive step attenuator for low, low power work …… WA0RBR 68
o The Center-Fed Bizarre – would you believe an indoor antenna for 80? …… N6RY 72
o Clean Sweep for the FT-221 – don’t miss the action …… WB0LLP 82
o A New Frontier – weekends were made for.. 10 FM! …… K4TWJ 84
o Scanner Magic for Heath’s 2036 – grab your October 79 issue for Part I of this project …… WA4BZP 88
o HV Power Rectifiers – amplifier builders should read this one …… WB2WIK 92
o Cheap Connectors for Half-Inch Hardline – at your neighborhood hardware store …… WD4LWC 100
o The Microwave Midget – this WEFAX converter features something different -an active mixer …… W3KH 106
o The Amazing Bobtail… Our Readers Respond – more ideas for using and modifying this easy-to-build antenna …… W8HXR 110
o Single-Tone Paging for Wilson HTs – simple circuit should work with many rigs …… W4BF 112
o Teletext and Viewdata: Are You Ready for the Information Boom? – coming soon to a living room near you: video data services …… WB9KPT 120
o Double-Duty CW Keyboard – helps you on receive as well as transmit …… K1GN 126
o Sixteen Channels of Digital Delight – do-it-Yourself data acquisition …… WB4UHY 132
o A Computer-Controlled Talking Repeater – Part III: interfacing to the microcomputer …… WA6AXX 138
o Make a Microcomputerist Smile – build him this EPROM eraser …… AL7G 148
o Build a Talking Digital IDer – K20AW redesigns his IDer at last …… K2OAW 162
1981
January 1981 (#244)
o Emergency Tone Alert System …… WB5UVC, WB5ASA, WB5PRD 42
o WWV-to-80 Meter Converter …… N7BH 48
o Cheap and Simple – your basic 13.8-V, 25-A power supply …… WA9VLK 50
o Direct Printing FAX – part III; testing and operation …… WB8DQT 54
o Unplug It, Dummy! – safety for the traveling ham …… WB9SKX 58
o Power Plus for the Omni – Improving on Ten-Tec’s power supply …… WA4IQQ 60
o Oddball Offsets for the KDK-2015R – make a good rig better …… WB6MYF
o The Strange Predicament of Walter Hann – OE8WHK did the right thing-and suffered the consequences …… WA4PYQ 66
o Put “the Rep” in Your Repeater – an automatic autopatch dialer …… K4ALS 68
o Quick and Dirty Line Noise Suppressor …… WA4PYQ 76
o Over the Hump and into History – the last flight of #42-107270 …… Ritchey 78
o Rx and Cx – easy-to-build substitution boxes …… WD5CDJ 84
o Don’t Be Sunk by Heat Sinks – a painless introduction to heat-transfer physics …… WA4OSH 86
o Tracker -The Ultimate OSCAR Finder …… WD8DRK, K8UR 88
o You Still Haven’t Built a Logic Probe? – try this one …… Vergona 96
o VHF Contesting – a magnificent obsession …… N8RK 100
o Sell ‘Em with Slides – A/V shows can fire up enthusiasm …… N8BPI 104
o The Power Waster – adjustable electronic load for power supply testing …… K6IQL 108
o QRZ Sunshine – building solar-powered repeaters …… WBlHXY 114
o Transmitter Tune-Up for Blind Hams – an audible indicator for power out …… WA4LBX 120
o Installing Subaudible Tone Encoders – do it right …… WA7LMO/N6XB 126
o Four-Band Mobile Antenna – looks like a weird hat rack …… K5PTC 129
o Computers and HF – a discussion of alternatives …… W9JD/DAlFE 130
o Ned Novice and his Capacitance Meter – you too, can build one …… W4VGZ 132
o Daze of Whine and Noises – intoxicating information about alternators …… K2PMA 146
February 1981 (#245)
o Winter Olympics Torch Run – a one-year perspective …… KA2CNN/AAR2DE, KA2DBW 36
o New Life for Old Klystrons – tips for microwave experimenters …… WA4WDL 46
o Add RTTY to Your Repeater – voice operation is preserved …… WB4EMI 48
o A Patch for the TS-120s – add phone patch compatibility …… W5JJ 50
o Successful Ham Classes – a guide for club organizers …… WB1FOD 56
o How FCC Rules Are Made – a labyrinthine tale …… WD4DAZ 62
o A $10 Phone Patch – CQ Ma Bell …… N1II 68
o Two Stations on One Antenna – Impossible? Guess again! …… WA4RRB, WB4INC 70
o Build a 60-Hz Frequency Monitor – keep the power company on its toes …… K0YMJ 72
o Feelin’ No Pain – expedition to Luckenbach …… W5QJM 74
o Operating Overseas – licensing facts for traveling hams …… A2CPS 78
o Stalking the Elusive Ground Fault – a real-life adventure …… W5OS 82
o An 0perating Console with Class – customize to your heart’s desire …… W8GI 84
o Add-On Capacitance Meter – works with your counter …… W4FEC 86
o Better Pilot Lights – LEDs are the “in” thing …… K4ZHM 89
o Caution: Solid-State Finals – learn to live with no-tune radios …… N1II 90
o Under Software Control – a repeater control system with minimal hardware …… WD8CHH 94
o The Fun-Mitter -A Goof-Proof Rf Project – fail-safe QRP rig uses Radio Shack parts …… WA0RBR 100
March 1981 (#246)
o The ZL/DF Special – your next T-hunt could be a hare-raising experience …… AD6Z 40
o A 49-MHz Repeater? – fun project …… KL7GLK 44
o TR-7400 Behind Bars – something new in S-meters …… WB3ATP 46
o The Last PL Generator – this synthesized unit is the last one you’ll ever need …… WB2BWJ 50
o An End to Repeater Time-Outs – with the IC-211 …… VP2EZ 53
o The History of Ham Radio – part XII …… W9CI 54
o Half a Loaf – charger for 6-volt batteries …… Nordgren 60
o The Great Aluminum Cover-Up – how to paint the stuff …… WB0YTH 62
o Home-Brew X-Band Wavemeter – indispensable test gear for microwave mavens …… W1SNN 64
o The Real-World Connection – add up to four I/O ports to your TRS-80 …… K6EW 68
o Practical Af and Rf Speech Processing – using modern ICs …… Staff 72
o LOR: A Light-Operated Relay – handy circuit has many uses …… PY2AUC 76
o The Calibrator Gater – so you can find yourself …… WB5PPV 78
o The Flexi-Plane Antenna – this “scrawny ducky” will boost your HT’s signal …… N1PL 80
o CB to 10… and Beyond – getting excited at 432 …… WB3CDE 84
o Three-Way Power Supply – ideal for CMOS, TTL, op-amp projects …… W3HB 86
o Home-Brew in the Real World – victim tells all …… WB1GVU 87
o DXing the Past – a visit to Signal Hill …… VE3CXL 88
April 1981 (#247)
o The History of Ham Radio – part XIII …… W9CI 46
o Build a Frequency Counter -That TALKS! – state-of-the-art for blind hams …… WA0OHO 52
o In the Stack – R/Cers, don’t be grounded by control channel congestion! Put your ship on six! …… WB3BQO 56
o All the News that Fits – make your club newspaper a winner! …… N9YL 60
o My Infernal Tower – tales of aflying fiasco …… KC7M 64
o Apples: Five Bits or Eight – Tired of “Space Invaders”? Then turn your Apple II on to RTTY! …… WB6MEP 66
o Rotator Rescue Mission – prevents sudden stops …… K4GOK 74
o The Racer’s Edge – it was ham communications at Derby days in Akron …… WD8JOL 84
o Perfect Parabolas – use some solar technology on your next dish antenna …… W4UFT 90
o Help for the HW-2036 – hum mods for Heath-equipped hams …… K8KUZ 96
o The Honeymoon is Over – hints and kinks for ham husbands …… HR1ADF 98
o CB to 10 – part XXX: the Midland 13-866 …… Grant 104
o The Nicad Conditioner – help your nicads lose their memories …… W2KPE 106
May 1981 (#248)
o Two-Meter Antennas: Facts and Fables – the truth about omnidirectional antennas on two …… W1IS 12
o The 440-MHz Curtain – hang this broadbanded two-bay collinear on your tower and get 22 dBi to play with …… WA9OZC 22
o The Plumber’s Parabolic Mount – a first-class hydraulic system …… WD4MRJ, KA4JYD 28
o The History of Ham Radio – part XIV …… W9CI 36
o The Skeptic’s Multiband Ground Plane – This antenna flies in the face of accepted theory. Do you think it will work? …… W1GV 38
o Dish It Out – home-brewing a parabolic reflector, with the focus on cost ……W4NK 42
o The Earth Mover – would you believe that this antenna changes its height aboveground without moving? …… W8HXR 46
o Sailing the Tri-band Sloper – put some half-waves among your halyards, matey! …… W8KXW 50
o Touch-Tune – tactile frequency determination for visually handicapped hams …… AA3S 54
o Stay Tuned – three tuner projects with no commercial interruptions …… Staff 58
o Review: Kenwood’s New 830s – evolution, not revolution …… WB8BTH 66
o Review: Azden’s PCS-3000 – the 2-meter rig of the future is available now …… WA2JSR 68
o Battlewagon – tales of a mini-expedition to the USS Texas …… WD5ICY 72
o Inside Coax – know what you’re buying in quality and construction …… WB6MMV/7 78
o The “No Antennas” Antenna – a coaxial dipole is one woman’s solution to problems with pesky landlords …… WA9BBX 82
o Slow-Scan in Bits and Bytes – microprocessors and plugin cards can give you flexibility on SSTV …… K6AEP 84
o Review: Cushcraft’s Skywalkers – performance through computer-aided design …… WB8BTH 98
o Review: Avanti’s 10-Meter Quad …… AE3S 99
o Review: VoCom’s Collapsible Whip for HTs – 5/8-wave from 144 to 450 MHz …… W8FX 100
o Review: Kreco’s SC-15OA 2-Meter Collinear – a commercial-quality antenna built to take it …… W8FX 110
June 1981 (#249)
o Repeater at 102,000 Feet! – Canadian hams go up, up, and away …… VE4FK 12
o Digital Control for the Ham III Rotor – good-bye manual switching!…… WA0PBQ 18
o Review: The Doppler Systems DDF-3003 – a review of the latest in direction-finding equipment from Doppler Systems …… KA1LR 28
o DF Breakthrough! – the “turkey” tracker we’ve all been waiting for …… W7BEP 32
o The History of Ham Radio – part XV …… W9CI 48
o Review: The VoCom Two-Meter Monkey – 30 Watts out from a mighty small package …… N1BEJ 52
o The Solid-Copy RTTY TTL – state-of-the-art performance you can afford …… K1VIC/2 54
o Review: The CES Simplex Autopatch – some hot new hardware for two …… KA1LR 62
o About the Beverage – when you say longwire, mean it. Use the remarkable beverage! …… W2XQ 68
o Design-a-Dish – produce a proper home-brew parabola with this BASIC program …… W3KH 72
o Mayday! – help locate downed aircraft with your local repeater …… W2FJT, K2lXU, K2UZS 78
o An 820s Remote Vfo – using the rig’s counter and display …… VE5PZ 84
o Maximize That Multimeter – add a few features the manufacturer forgot …… Staff 88
o Review: Amateur Radio, Super Hobby! – a breezy new intro to the world of hamming …… KA1D 96
o Review: A Guide to Amateur Radio – book review of an English import …… N1BEJ 97
o Review: Get Your Shack Together …… K4TWJ 98
o Plain Talk on Plain Language Rules …… N8RK 125
o Review: A Timely New Product – the MFJ-102 digital clock …… WA4PYQ 130
July 1981 (#250)
o Dayton Dilemma ’81 – which new gear do you buy? …… KA1LR 22
o The Fun-Ceiver – easy-to-build companion to February’s QRP Fun-Mitter …… WA0RBR 32
o Review: The Kenwood TS-130s – a good rig done better …… KA1LR 38
o Review: The NCG-15 SSB/CW Monoband Transceiver – moving tale of mobile hamming …… KA1LR 42
o The Incredible Shrinking Antenna – give your vertical a top hat …… W1GV/4 44
o Review: The Micro Control Specialties Mark 3CR – a hassle-free repeater that does it all …… KA1LR 46
o Review: Radio Amateur’s License Manual – don’t memorize, learn! …… N8RK 48
o The CCD Antenna- Another Look – theoretical justification and answers to some frequently asked questions …… W4FD, W4ATE 50
o The History of Ham Radio – part XVI …… W9CI 58
o Review: The Radio Amateur’s Conversation Guide …… KA1LR 65
o Aerial Heirlooms – towers from the past…… AK0Q 66
o Amateur Telemetry – monitor your repeater’s vital signs with this simple system…… W2FPP 72
o Rallying the HP-55 – gentlemen, start your calculators! …… Lutz 80
o Icing on the IC-2A Cake – nonstandard offsets for Icom’s hand-held …… WA4TEM 84
o Flexible Couplings – for every project there is a reason turn, turn, turn …… WB6CZW 90
o The Bobtail Curtain: Round Three – wherein this author turns two previous articles upside down …… W6RCL 92
o The Micro-Generator – this diminutive device has a price tag as small as its size …… WA3RJS 94
o Grandma Packs a Seabag – lady ham takes to the high seas …… K7NZA 102
o Review: The Datong ASP Speech Processor – will this give you a British accent? …… W8YA 118
August 1981 (#251)
o Wild Turkeys 1, FBI 0 – another foul-up from the feds …… WA7UDO 12
o Sailplanes on Six – these thermal-hunting hems have an edge on the competition …… WB3BQO 20
o The Supernova Station Organizer – in this project, four into one will go! …… W3BYM 26
o Kenwood’s TR-9000 – the multi-mode 2-meter rig that’s making SSBers out of VHFers …… WB8BTH, N8RK 30
o Butternut’s HF5V-1II Vertical – this one really does work equally well in all directions …… KAlLR 34
o The Meterless Ohmmeter – an audible continuity tester …… WB7NEZ 36
o QRM-Free Antenna Tuning – with this inexpensive noise bridge …… Staff 40
o IC-2A Accessories the Cheap Way – build ’em yourself and save …… AD5X 44
o Solar-Powered Alignment Tool – using Old Sol to find true North …… K6BW 48
o The DX Primer – low power plus low antennas plus good technique equals 300 countries …… W8YA 50
o A Flier’s Guide to the Airwaves – off we go into the wild blue yonder …… WB6BHI 58
o Cybernet Ten-Meter Offset – If you’ve gone (CB to 10, why not go all the way? Add the repeater offset, too! …… K3NXU 66
o A Stout Heart for a Simplex Autopatch – put your KIM-1 to work …… WD8CHH 70
o The Bearcat 350 Programmable Scanner – a first-class act from Electra …… WA4PYQ 78
o The Calectro Multi-Tester – a full-size, lab-type multimeter for fans of analog operation …… W8FX 80
o How To Defend Yourself Against Radar …… N8RK 85
o Guide to RTTY Frequencies …… K8DIU/4 87
o The History of Ham Radio – part XVII …… W9CI 88
o The Robot 800H – a specialty terminal for RTTY/Morse/SSTV and you …… WB9PKD 92
o The Better Vertical – elevated feed means low angle of radiation …… WD9AHH 94
o The TET SQ-22 Antenna – walking the dog with a two-meter quad …… KA1LR 99
o Newcomer to Nicads? – you’ll get a charge out of this informative overview …… W6OJF 100
September 1981 (#252)
o 10,000 Contacts from Easter Island – four Minnesotans make a dream come true …… K4ESQ 12
o A Very “Special” Weekend – hams help New York’s Special Olympics run smoothly …… WB2CMB 22
o Getting Ready for the Real Thing – emergency preparedness that works …… WA3REY 26
o Review: The FRG-7700 General-Coverage Receiver – a first-rate rig for the shortwave bands …… KA1LR 30
o Two Meters Getting A Little Boring? – maybe you need to try crossband DXing …… WA3REY 34
o A Lot of Hot Air – keeping balloons aloft …… WB6JBI 38
o Review: The DS2050 KSR RTTY Terminal – top performance at a bottom price from HAL …… KA1LR 42
o Review: The Welz SIP-300 Swr and Power Meter – a little digging for this meter is worth the effort …… KA1LR 46
o Free PR for Ham Radio! – how to cooperate with the news media …… WD4NEK 50
o Tricking-Out the FT-9011/902 – some competition mods from the Fox-Tango racing team …… W4ZCB, N4ML 54
o That They Might Communicate – one group’s efforts to get the vision and hearing-impaired into hamming …… K7NZA 66
o A Cost-Effective Approach to OSCAR – sources and suggestions for getting started …… KA5EIM 70
o DX Program Roundup – for the SWL with DXitis …… Peterson 84
o TRS-80: Your Electronic Brasspounder – automated CW for Level I owners …… N0AGX 90
o Phase III and Beyond – the down-to-Earth satellite service …… N8RK 96
o Review: You Can Scan with the Iscan – memory scanning for the TR-9000 …… WB8BTH 100
October 1981 (#253)
o Contesting from VP5 – the other end of the pileup and how to get there …… WB8BTH 12
o In Profile: Ted Gamlin, A Contester …… KA1D 18
o Review: The Kenwood TS-530s HF Transceiver – sophisticated performance at a not-so-sophisticated price …… KA1LR 26
o Folded Unipole for 160 – Top-banders, take notice! Here’s a top-loaded radiator with the government’s seal of approval …… WB6ZYK 28
o Review: The VIZ WD-747 Digital Multirneter – low cost plus high performance equals success …… WA4PYQ 36
o The Winning – days in the life of a contester …… WA3FUV 40
o Review: The GU-1820 Ac Generator – 100 pounds of portable power from Heath …… AC9V/1 42
o Radio Rehab – how ham radio helps young offenders …… WA6VIP 44
o Heath’s HA-202 Goes to 220 MHz – power up with this simple mod …… WA5VJB 48
o Review: The Mirage B1016 Two-Meter Linear Amplifier – for those times when you have to be heard …… KA1LR 50
o More Punch for the Hot Water 101 …… K5SE 52
o Review: Gunnplexer Cookbook …… N8RK 54
o The Green Gallon – an HW-101 look-alike (except for those four 811As) …… W3BYM 56
o Controlled Chaos – getting the most out of state QSO parties …… W2XQ 62
o Review: The General Electric Programmable Clock Radio – sweet dreams for the broadcast DXer …… W8FX 66
o Propagation Prophecy – you, too, can calculate the MUF …… AK0Q 70
o Keyer Magic – unravel the mystery of TTL circuits …… N5DY 80
o The Contest Cookbook – basic strategy and tactics …… N6OP 92
o The $50 Sweeper – build this audio function generator and sweep your troubles away …… K3LF 100
o New Horizons for the HW-8 Transceiver – a dandy mod to expand frequency coverage …… W1PQ 112
o New Frequencies for the IC-2 – for MARS members only …… KS4B/NNN0BKS 113
o The Digital Defender – computerized ham shack security …… W7CRY 116
o Diode Doctor – the P-N diagnoses …… N1II 131
o In Profile: Lloyd and Iris Colvin, The DXpeditioners …… KA1D 132
o Ringo Ranger Redux – add those radials for better performance …… W1HHF 137
November 1981 (#254)
o The Satellite TV Challenge – 73 magazine’s answer …… N8RK 14
o Space Spinoffs for Amateur Radio – the makings of a communications revolution …… WA1DCP, W2IKQ 18
o How Big A Dish? – Satellite central, part 1 …… Gibson 20
o Satellite Channel Guide – Part 1 …… WESTSAT 24
o Satellite TV Receivers – is there a better way? …… K4TWJ 26
o Spread Spectrum – a report from AMRAD …… WB3KDU 32
o A Visit with SV0AY – the road to paradise …… N1BEP 36
o Review: Reviewing Daiwa’s New Meters – fiddle free swr measurement …… KA1LR 40
o Ham Shack Design for Beginners – Novices take note …… N1II 42
o SSTV Signal Analyzer – simple and inexpensive even …… K7YZZ 46
o More for Less – this tune-up procedure gives more RTTY output, less heat to dissipate …… WB4PWC 50
o Review: Inside the Palomar Preamp – big ears for your receiver …… W8FX 52
o Review: Four New Books for the Experimenter …… N8RK 54
o CB to 10 – part XXXI, simplified offsets …… WA7ZGP 57
o An X-Band Swept-Signal Source – one for the road …… W1SNN 60
o Battery Check! – do your nicads measure up? …… PS7ZAD 64
o Review: Investigating Icom’s 730 – quite a rig …… K4TWJ 76
o Review: The Complete Idiot’s Guide to DX …… AG9V/1 80
o Eyeball QSO with Radio RSA …… Peterson 82
o Review: Micronta’s New Multimeter – an LCD DMM from T-RS …… K6UGT 92
o Mods for the Clipperton-L – smooth sailing ahead …… K4JW 94
o The Traveling Ham’s Allband Antenna – in this ultimate portable system? …… W3JIP 100
o KIM’s Magic Fingers – RTTY transmit program …… VE1AKL 112
o AX-l90 Upgrade – Collins components can make the difference …… VE7DLU 118
o Extra Accuracy for Heathkit Clocks – a synchronous solution …… N5AEN 124
o The 160 Winners! – W8LRL, and W4CN take top honors …… KE7C 156
o Cartography for Kerchunkers – making repeater maps …… W4FXE 156
o Ten-Meter Lunch Hour – ham radio for school kids …… WA8WTE 158
December 1981 (#255)
o Cold Comfort – an HT to the rescue at fifteen below …… KA1D 12
o Review: The Rex Bassett TLM-2 Mobile Mount – banish your fear of flying …… KAlLR 18
o Update Your CW Music Keyboard – play it again Sam …… K5KL 20
o Review: The Kenwood TR-7730 Transceiver – Let’s get small …… KA1LR 26
o Joe Ham: The Consumer – do you fit the mold? …… N6AVU 32
o Bob Cooper: Profile of a Pioneer …… N8RK 38
o Satellite Channel Guide – part III …… WESTSAT 44
o Satellite Television Glossary – part I …… Satellite Television Handbook …… Staff 46
o TVRO Receivers: The Inside Story – Satellite Central, part II …… Gibson 54
o Review: The Ace Portable Synthesized VHF Receiver – for those times when listening is enough …… W8FX 68
o Beginner’s Guide to Antennas – not just for Novices …… N1II 74
o Review: The Daiwa Infrared Wireless Microphone – is the mike cable obsolete? …… K4TWJ 82
o What’s It All About, ASCII – RTTY technology update …… W4RI, WB4APR 90
o Review: The Radio Shack Pro-2002 Scanner – a look at the Shack’s latest …… N3BAH 96
o An Easy L-Meter – you’ll need a frequency counter …… W5JJ 100
o Review: A Quad for Two Meters – the Palomar portable power picker-upper …… W8FX 104
o “Chopstick” Helical for 432 – satisfies your Phase III appetite …… 9M2CR 116
o The Code Pet – a Morse tutorial for Commodore’s computer …… AA0G 126
o No More Two-Tone Sidetone – modify your AEA keyer …… KA1LR 128
o Monodes – harbinger of a new age …… Corner 130
o Breaking the Decibel Logjam – how to cope with nothingness …… Sara 136
o Less Drain Is Your Gain! – power saving mods for the Wilson II and IV …… KA3W 138
o A Positive Supply with a Negative Chip – one Way to solve the parts problem …… K9MLD 142
1982
January 1982 (#256)
o Egad! A Nine-Tube Linear – results from the W7CSD test bed …… W7CSD 12
o Drama on Mt. McKinley – ice, snow, and amateur radio …… W7KUF 18
o The Simplex Autopatch – a telephone interface for everyone’s two-meter rig! …… WA7VZR 26
o The Cheapskate – a checker for bargain diodes …… K9QLL 30
o Constant Current from a Voltage Regulator …… WA4WDL 39
o The Hesitator: A Windshield Wiper Control – a rainy day project …… N4UH 40
o TVRO Signal Source – tuner-based test gear …… N1BEP 46
o Satellite Television Glossary – part II Satellite Television Handbook …… Staff 54
o Going Bird Hunting? – Satellite Central, part III …… Gibson 60
o Micro-Programmed Controllers – bridging the gap between TTL and microprocessors …… K2OAW 68
o Messages from Station Charlie – when wireless meant life or death …… Phenix 88
o The Great Compromiser – Henry Clay, eat your heart out …… W5JJ 104
o Touch-Tune with Thumbwheels – cast away darkness …… ZL4LM/VK3CIT 110
o Put Talking Time on Your Repeater – a Sharp idea …… WA4VYR 116
February 1982 (#257)
o The Fun-Oscillator – a simple, goof-proof vfo for your QRP transmitter …… WA0RBR 12
o Build this Antennalyzer – you’ll need a weekend …… W1BG 16
o Police Freqs for the TR-2400 – a sleepless night for the mod squad …… N9AKX 26
o Those Amazing Bobtails – the current-fed connection …… W1XU 30
o Shoot the Moon! – visual tracking for your EME array …… W9CGI 34
o CQ MARS de IC-2A – work new worlds …… WD8JLW 46
o The Father of FM – the tragic story of Major E. H. Armstrong …… Hammond 50
o The Art of Listening – audio accessories explored …… W8FX 64
o A Dish Antenna Anyone Can Build – no hyperbole, just a parabola …… W8DJY 88
o Job’s Own LNA – rolling your own takes patience …… WA4CVP, WA4OSR 92
o Microwave Master – you might not need a mountaintop …… WB4APC 96
o CW interface – let your computer do the copying …… W9JD 104
March 1982 (#258)
o The Porta-Peater The Instant Communicator – quick and easy does it …… WA2BHB, AC2A, WA2UNN 12
o Amateur Television’s Stripper – a home-brew star …… VE3CYC 20
o Polishing Kenwood’s R-1000 – a gem in the rough …… K9EUI 34
o Peaking and Tweaking Surplus CB Boards – the untold story …… WB0NPN/8 38
o OSCAR Pathfinder – a colorful way to track the satellites …… WB6NQK 46
o Which TVRO Antenna Is Best? – Satellite Central, Part IV …… Gibson 52
o Home-Brew a TVRO Downconverter – works with last month’s LNA …… WA4CVP, WA4OSR 58
o TVRO Q & A – advice from WB0POP …… WB0POP 62
o Indian Hams Rejoice – import restrictions lifted …… Rama 64
o Licensing for Americans Overseas – classes help, but our government doesn’t …… KA3B/DA2AL 68
o The Masher – son of The Amazing Audio Elixir …… W5VSR 76
o Innovation or Consternation? – recent patents dealing with radio …… AK0Q 78
o Let’s Go Shopping – bagging the used gear bonanza …… WD4SKH 88
April 1982 (#259)
o Watching the Weather – a cheap and easy conversion …… KA9GDL 10
o The Sinkhole That Ate Winter Park – hams vs. hole …… KA4RUL 18
o Operation Skywarn – tracking tornadoes with two meters …… WB5ZAM 24
o Measure Ohms with Your Calculator? – yes, and accurately, too! …… Johnson 28
o Scanning with the IC-280 …… N7AAD 36
o Detect Killer Tornadoes – use an ordinary TV set …… K2VJ 50
o TVRO Dish Selection Tactics – Satellite Central, part V …… Gibson 54
o Taylor Howard: TVRO Trailblazer …… N8RK 60
o TVRO Q & A – advice from WB0POP -part II …… WB0POP 62
o VHF Converter – easy to build, yet state of the art …… Edwards 68
o Compugrams Are Here – BASIC message handling …… WA6ZZL 76
o Flash and Crash 101 – how to weather the storm …… K1NYK 94
o Stormy Weather – to be forewarned is to be forearmed …… W9CGI 102
May 1982 (#260)
o Pacific Odyssey – the Kingman/Palmyra adventure …… KB7NW 12
o Top-Notch for Top Band – super antennas for 160 …… N3BEK 26
o The Fun-Amp – 20 Watts out …… WA0RBR 32
o The CCD Antenna Revisited – does it measure up on 40m? …… W4ANL 40
o Antenna-Raising: The Good-Neighbor Policy – sidestepping civil war …… AK5Q/4 42
o ‘Lite Receiver IV – part I: building it is a breeze …… WA40SR, WA4CVP 48
o TVRO Sound Decoders – Satellite Central, part VI …… Gibson 58
o Omni-Gain: A Collinear for 70 and 23 Cm – coax comes alive …… WA6SVT 64
o Fighting Air Pollution – why you need a tuner …… W2AET 68
o Americanizing the German Quad – the world’s best antenna? …… WA3GWY 76
o Zepp and Sons – an end-fed, 1/2-wave antenna …… W1CV/4 96
o Surviving the Unthinkable – part I: the ham’s role …… AK0Q 110
June 1982 (#261)
o Build This Digital Vfo – a microprocessor makes it simple …… WA5VQK 12
o Surviving the Unthinkable – part II : some practical ideas …… AK0Q 30
o A Split Personality for the KDK FM2015R …… K0BV 40
o Building for Beginners – happiness is a hot soldering iron …… N1II 42
o Coping with PC Boards – it’s not easy to be virtuous …… KC7M 48
o ‘Lite Receiver IV – the second half …… WA4CVP, WA4OSR 52
o TVRO Transducer – waveguide-to-coax transition …… WA4CVP, WA4OSR 58
o The MTV Music Box – Satellite Central, part VII …… Gibson 60
o Tune In the World’s Tinderbox – SWLing from Cairo to Kuwait …… Peterson 66
o Are You Ready for 900 MHz? …… WB4LNM 74
o Crime-Stoppers’ Textbook – rules of thumb for would-be gumshoes …… Diefenbach 84
July 1982 (#262)
o Log of the Colorado Queen – wet, wild Field Day fun …… K3PUR 12
o CB to CW? – converting the Hy-Gain board …… W1BG 18
o Hands Across the Water – CW lives on historic Cape Cod …… KAID 38
o A Three-Piece CP – battery not included …… WB5WAF 46
o Coherent CW for VHF – will it work? …… W3QVC, VE3DPB 48
o Electric Health via Negative Ions – combating an invisible menace …… WB0GX 52
o The Very, Very Best CW Filter? – costs under ten bucks …… WB4TYL, AG5G 56
o The True-Blue Keyer – its speed readout doesn’t lie …… W3BYM 60
o Touch-Type CW – with your TRS-80 …… K8TT 64
o CW -The Air Force Way …… Metzler 72
o TVRO: Georgia Style – one man’s junk is another man’s antenna …… N8RK 96
August 1982 (#263)
o Poor Man’s Spectrum Analyzer – another 73 breakthrough …… WB5IPM 10
o The AC4YN Story – a Tibetan adventure, circa 1936-1937 …… G5YN 32
o “Smart” Squelch for SSB …… W9MKV, W9YAN 44
o The Ultimate Fuse – ac overload protection …… W2OLU 52
o Multi-Purpose Peak Adapter – don’t settle for being average …… K9EUI 54
o The $100 TVRO Receiver – Satellite Central, part VIII …… Gibson 60
o VUM: Volume Units Meter – makes measuring decibels easy …… W4MLE 72
o Analog Isn’t Dead – don’t be LED astray by the digital revolution …… WB6AFN/9 76
o Line Voltage at a Glance – at last, a useful gadget …… W4RNL 84
o Confessions of a Counter Evolutionary – the best circuit yet? …… WA2FPT 100
September 1982 (#264)
o Micro Modem – a RTTY TU designed for computers …… WA4CKQ 10
o F1 for the Hot Water 101 -all the way with FSK! …… K0JH 20
o No-Frills RTTY – $2OO and you’re on the air …… WA4STO 24
o Incredibly Simple RTTY – receive it on your TRS-40 …… WQXI 28
o The RTTY/Tri-bander Marriage – enjoy the 100% duty cycle …… K0ARC 32
o Confessions of a Counter Evolutionary – part II …… WAZFPT 38
o Double Trouble 0n 50 MHz – Home-Brew Contest runner-up …… KL7CLK 58
o The $100 TVRO Receiver – Satellite Central, part IX …… Gibson 60
o Digital Basics – Part I …… K4IPV 72
o The Vertical Deuce – 40 and 75 meters …… W9CRC 80
o The J-Pole Love Affair – not for CB …… WB5AOX 84
October 1982 (#265)
o The Splattometer – visual overmod warning …… W1BG 10
o Digital Basics – part II …… K4IPV 20
o Dissertation Upon Roast Pig – the ultimate in surplus? …… N6TO 28
o Got an Apple? Want RTTY? – try this hard-core interface …… WB6FBN/4 34
o The Pleasures and Perils of Crankup Towers – don’t lose your head! …… K4TWJ 40
o The Incredible Antenna Mark 2 – a complete HF allbander in a very small space …… KL7ISA 44
o The Amazing Beam reader – point it with your Pet …… WA4NAG 46
o Try the GHz Getter – a marvelous microwave antenna you can build …… WA4WDL 50
o The Multiband Vertical – an aesthetically pleasing antenna with a punch …… W1GV/4 54
o The Campbell J – a little antenna that “can” …… W4YVY 60
o Avoid an Electrical Nightmare – sidestepping ground faults …… N4UH 64
o Fine-Tune Your IC-280 – 15-kHz step rate got you down? …… KS4B 68
o A Gem of an RIT – customizing the receive on the 56-104 …… KK5R 70
o Protect Your Pass Transistors – the crowbar connection …… K8JL 76
o All Tied Up in Knots? – the twisted tale of Thomas J. O’Harra …… KC7M 78
o The Coax Matcher – it may be all the tuner you need …… W9PJF 84
November 1982 (#266)
o A Perfect “10” – Timer, counter, logic probe – 10 functions in all. That’s the Multi-Board One and you can build it …… WA2BHB 10
o Remote Control Your IC-701 – Simpler than commercial controllers, this home-brew circuit nevertheless features push-button band changing and frequency selection scanning, and expanded coverage …… N2GW 14
o Automatic Beam Aimer – Here is the scoop on adding set-and-forget convenience to your rotator control. Works with most common control boxes …… K9AZG 22
o Life Support System For HTs – At home or in the car, this do-it-yourself charger and accessory box could be the best friend your handie-talkie ever had …… WB6BHI 26
o What? Another Audio Filter Project? – Yep. And even the most modern receivers benefit from this QRM-crusher …… W4MLE 32
o A Tuner For Antenna Fanatics – Anyone experimenting with antennas needs a darn good tuner. Construct this one and save your finals …… Staff 42
o Digital Basics – This is no time to be a digital illiterate. Part III reveals the secrets of multivlbrators, shift registers, and other notorious devices …… K4IPV 46
o The Money-Maker Power Supply – Need 12 volts for your transceiver? Save half the cost of a commercial unit by assembling this 25-Amp monster …… WA6TTY 56
o TVRO Q & A: Part III – LNAs are expensive, but rolling your own is a losing proposition …… WB0POP 64
o The Sound of Silence – Beep!! Your TS-180 is off the air, Charlie …… HB9BLU 70
o Build the Re-Fuser – It’s a self-replacing fuse. Why blow one when you can blow two? …… K5CN 72
o No Smoking in the Ham Shack – Overvoltage kills solld-state finals Protect yours for $1.00 …… N7JJ 74
o Tempo MARSer – Get the S-1 off those crowded ham channels. Expand your coverage above and below the amateur band …… WB6IQN 76
o CW and the Apple II – The simpllcity of BASIC plus the speed of machine language equals a near-perfect Morse keyboard …… N5MR 84
o Everyman’s Audio Amplifier – Make this one chip amp a permanent part of your test bench. It’s an easy project for beginning experimenters …… W3KBM 90
o Award-Winning Program – Certificate hunters, cut your paperwork down to size. Let your Pet track your quest for excellence …… WB2GFE 94
o Speed Demon – How fast was that? Find out with this wpm display for Heath’s 1410 keyer …… K4ZHM 102
o Keyer on a Shoestring – Hams are cheap and so is this keyer. Big spenders will build the deluxe, two-chip version …… WB5PPV 104
o I Got My Ticket! Now What? – A look at what Elmer forgot to tell you …… N1II 106
December 1982 (#267)
o The Hangman’s 2-Meter Collinear – Make your tower do double duty. Drop this array from the top and get 6-dB gain …… W1GV/4 10
o Deep-Six Squelch Tails – Kerchunks take a dive with the addition of this audio delay …… WA2NYE 14
o Build Yourself A Paralyzed Beam – Go from east to west In less than a second with this 2-meter array. And put your rotator out to pasture …… WB2WIK 24
o Taming the 2-Meter Linear – It lives In the forest of spurious oscillations and answers to the call of the correct bias. Catch one for yourself …… VE3LMP 28
o The Frugal Floppy Bazooka – This 2-meter antenna coils up into a small package, but it shoots a straight signal …… N7BGZ 32
o Taking It Higher – Raising a repeater’s antenna is the way to wider coverage, right? Wrong …… W4MLE 36
o Dial-A-Frequency – Let your fingers do the walking with this remote control. All you need is a spare telephone …… K1WGN 44
o Improving God’s IDer – Put more flexibility the K2OAW circuit and save the advantages of the original …… K9XI 51
o The Bunesti Caper – The two British agents needed a power amp-fast. Could the American ham build one? …… W9PJF 56
o The Tube Returns – Move over, ICs This receiver is easy to build cheap, and works like a dream …… W1BC 64
o The Program That Knows It All – Repeater info, third-party agreements, you name it-this TRS-80 BASIC program knows it …… W8XW 72
o Berserk Direction-Finding – Zero In on transmitters in seconds with this TRS-80 program. It will tell you how to get there, too …… WD8CBE 76
o Shack from Scratch – Building a ham shack in a new home can be a breeze. Just plan ahead …… W2XQ 84
o Winning the Coax War – The electrical length of feedline depends on its velocity factor. Don’t get caught short …… W9PJF 90
o Red-Hot and Ready to Go – Anyone who has ever soldered knows that the cord gets in the way. Find freedom with this homebrew cordless iron …… W7RXV 101
o Cutting Current to Size – Measuring large ac currents can be difficult unless you know a trick or two. W7CRY explains how …… W7CRY 108
o Construct This All-American Audio Signal Generator – The perfect project for starting a test bench or rounding one out …… WA2SUT 116
o Maximum Modulation for CB Conversions – Many CB rigs lack the gain for full modulation. This preamp will help …… AJ0P 122
1983
January 1983 (#268)
o Action Machine for 20 – Are home-brew rigs a lost art? No yet! Here’s an SSB transceiver you can build …… WB5IPM 12
o An Alarming Procedure – This false-proof repeater emergency alert won’t tie up expensive equipment …… WA1LCF, K1FNX 24
o Trimming the Fat from ATV – Why use 3 MHz when 500 kHz will do? WB6FHD proposes a way …… WB6FHD 32
o The Forgetful Autodialer Puzzle – Even Sherlock couldn’t figure out how to make an autodialer that reprograms with no hardware changes Elementary, says dear Babe …… W7BBX 40
o My Own Silver Mine – For W1FLP, reclaiming silver fromphotographic fixer is cheap, easy and profitable. King Midas should have had it so good …… W1FLP 46
o Fun-Equipment Revisited – Here are higher-band versions of the ever popular Fun-Mlitter and Fun-Amp. They are based on the Fun-Philosophy: cheap and simple …… WA0RBR 48
o The Ultimate Breadboard – There used to be two styles of prototypes- rat’s nest and cramped. Now there is a third style -simple …… N6BW 52
o Beating the Untraceable Buzz – Man-made Interference doesn’t have to destroy reception. Not when you use W1GV’s buzz-beating antennas …… W1GV/4 56
o The Care and Feeding of Optoelectronics – There are many ways to make these devices earn their keep Here is one …… K3VDB 62
o International Success Story: The BBC – From its battery of transmitters, the BBC fires a dally salvo of news and entertainment around the world. No commercials, either …… Peterson 68
o Active-Filter Design Made Easy – Using this BASIC program, if you don’t like the design, then scrap it. All you lose is a few seconds …… WD4HPC 78
o The Cornerstone of Equipment Failure: Heat Damage – The proper heat sink will preserve transistors. Learn how to keep your circuitry from resembling a core meltdown …… Shamburger 84
o Your January Home-Brew Project – No frills-just a sold $10 SSB exciter for HF Who says hams don’t build anymore …… VE7DOD 92
o King of the Pulse Generators – One-shot or a train, TTL or CMOS, this generator will fit the bill. It’s just what your test bench always wanted …… WA3RJS 10
February 1983 (#269)
o Unleash the TS-900 – A rig like this deserves more room than 2meters can give. Get on HF (including WARC bands) with this transverter …… W4BF 10
o Four-Tone Audio Oscillator: A Potent Troubleshooter – For any test that requires a tone, this oscillator does the job It can also be computer-controlled …… W7BBX 20
o Superman’s Repeater Control System – This simple system offers four independent on/off outputs. Just duck into any phone booth to use it …… K3IJ 32
o Up and Coming: Direct-Broadcast Satellites – The only thing not up in the air in this business is the satellites, so this budding technology is not just pie in the sky …… N8RK 38
o Work the Russian Robot Ops – The robots aboard Russia’s two new satellites are cantankerous and challenging. Here are some tips on how to work them …… K4TWJ 44
o Ham Radio Hits the ’82 World’s Fair -When the gates In Knoxville opened, would WA4KFS be ready? Here’s the inside story of the World’s Fair station …… N4AQI 50
o Beef Up Your CB-to-CW Conversion – A good bfo will bring your receiver performance up to par. This one is easy to add on …… W1BG 56
o The Denali Connection – Disaster struck these two hams in the back-country of Alaska. Only a tenuous radio link to civilization could save them …… KL7RD 60
o Error Protection for Your Digital Transmissions – Block coding can make your signal 100% error free …… W9JD/2 64
o Drive-Time SWLing – This simple car radio converter will open up a whole new world of driving …… AG9C 70
o Stop That Heist! – What would you say about an alarm that’s portable, inexpensive, and goes off when a thief just touches the doorknob? We say build it …… WD5JWY 72
o Get the DX Edge! -There are ways to stand out in the pileups for Spanish-speaking stations. One is to speak their language …… KB9SP 76
o Power-Line Protection: The Weak Link – Solld-state equipment may be extremely reliable, but just microseconds of overvoltage can change that …… N8ADA 83
o Higher Voltage, Less Weight – A voltage quadrupler that weighs ounces? You bet-and cheap surplus capacitors make it possible …… W7CSD 84
o Make Room for More Agc – Automatic gain control is useful In many applications. With this simple circuit, you’ll never have to be without it …… N7APE 86
o You Can Troubleshoot Mobile Noise – K5CA tells what to do when a signal IS 5-7 and the noise is 5-9 …… K5CA 88
o Electronics vs. Creepy Crawlers – Build this ultrasonic oscillator and drive pests crazy. Your pet hamster, too …… K7YZZ 90
o Slimming and Trimming the R-1000 – In crowded conditions the 6-kHz filter may not cut the QRM. Here’s the way out …… 5Z4CL/K5PAW 92
o Add a Touch of Class to CB Conversions – Converting a Hy-Gain board to 10 meters is only half the story Try addling a digital readout and scanning capability …… N2DS 94
March 1983 (#270)
o RTTY Tuning: The New Solution – This simple tuning indicator whipped the competition and took first place in 73’s Home-Brew II Contest …… WB2OSZ 10
o Uncover Equipment for OSCAR Phase III – lurking in flea markets and junk boxes is everything you need to work OSCAR. K6KLY tells what to look for and how to make it work …… K6KLY 18
o Up and Coming: Direct-Broadcast Satellites – Part II looks at the technical problems with communications at 12 GHz, which may be a offset by the advantages …… N8RK 26
o The Fun-Vac: A Synthesis of Old and New – This one-tube transmitter combines the circuits of the fifties With the technology of the eighties. It also keeps your coffee warm …… WA0RBR 32
o Adventure in Sarawak – Two DXpediuoners journey to the land of headhunters – and send a signal to the rest of the world …… VK9NL 42
o Put 2 Meters in Your Shirt Pocket – Radio Shack’s Pocket weather radio makes a dandy 2-meter receiver. A few quick modifications will get it right on target …… K3PJG 46
o The Secret Telemetry of OSCAR 8 – Do those numbers from the sky mean anything? You bet …… K5OM 52
o Scandinavia: The 2-Meter Dream Vacation – Licensing frequencies, and procedures- it’s all here. All you need is a plane ticket …… WA6OGW 58
o Twisted Remote Control – This circuit is easy to build and easy to use. The twist is that you probably own the most important part …… WD5JWY 64
o Take Your IC’s Temperature – Like people, solid-state devices get sick if they get too hot. W3KBM provides a way to answer the burning question, “How hot is hott” …… W3KBM 70
o The Q-Master Cavity Filter – A high-Q filter that uses no copper and no silver-plating- just coffee cans and some ingenious thinking …… KB6AL 74
o Push Your Radar Detector to the limit – Without this simple modification, you won’t know what you are missing – until it’s too late …… W5LFM 86
o Personalize the M600 RTTY Program – Now you can design and save your own version of this popular software parkage. All it takes is a POKE or two …… VE4AFO 94
April 1983 (#271)
o Pedal Power: A Perfect Field-Day Generator – This bicycle-driven power source is easy to build and guaranteed to get you in shape. No heavy breathing into the mike, please …… KN6H 12
o No-Crash Autopatch – Dialing and driving don’t mix. Build this autodialer and let its fingers do the walking-not yours …… W3ZC 20
o Turn Mobile-Rig Whine into a Whimper – From brute-force filtering to solid-state regulation, K4AJQ has the answers to mobile noise …… K4AJQ 30
o Exploit the Hidden Interfaces of the TRS-80 – Sound synthesis, a programmable timed on-off switch, and a CW keyer are all hidden in the TRS-80 You just have to look in the right place …… WB9EGA 32
o New England’s Nicad Per-Charger – Build this and get state-of-charge readout, automatic shutdown, and charge maintenance for your HT. This could be the gift of life for your battery pack …… K1QPS, WA1UNU 38
o Immortalize Your IC-2AT Battery Pack – Why waste your nicads when you’re in the car? Build this miniature power supply and your batteries will last forever …… KP4AQI 40
o Unlock the New Electronic Mailboxes – MSOs are at the forefront of amateur radio’s vast communications revolution. WB7QWC shows you how to tune In, log on, and not drop out …… WB7QWC/9 44
o How E.T. Really Called Home – If it were not for an inventive ham, E.T. might still be trying. In this exclusive article, the designer of the little guy’s communicator unveils its Inner workings …… K2SSQ 52
o Buyer’s Guide to Dayton – From securing accommodations to planning your expenses, WA4BPI helps you make the most of your Hamvention buck …… WA4BPI 56
o The Best Way to Mount Your Mobile Rig – If you have a van and HF gear, this is what you need to put them together- including a movable mount …… KE7X 64
o The Florida T-R Switch – Get your 2m amplifier out of the way- without a relay …… W4HJW 83
o Build the Deadeye Dish Controller – Tired of taking potshots at satellites? With the flick of a switch this easy-to-build rotator will hit the bull’s-eye every time …… W5JG 84
o The Ultimate Protection Plan for Your HT – Bangs, bumps, scrapes, and crashes make life tough for HTs. Make these modifications to protect your investment …… K2YKE 92
May 1983 (#272)
o Construct This Classic Transmitter – From the era of the tube comes this ageless design runner-up In 73’s Home-Brew II Contest. It’s perfect for a flrst project or as a backup rig …… W1BG 14
o Build the Revolutionary Parastat – After some rule-bending and wire-straightening, N6LM discovered the parastat antenna It has gain when you want and a null when you don’t …… N6LM 24
o Talk Softly and Load a Big Stick – Turn a six-foot stick Into an antenna that will ramrod your signal into the ether. And when you’re off the air you’ve got a coat rack …… KC2NT 26
o Build This Cornerless Quad for 2 Meters – Here’s an antenna that you can cut corners on All you lose is high cost …… K6KTS 30
o Tuned Feeders for Oddballs – To get that good DX you’ve been missing, add some versatility and multiband capability to your wire antennas …… W0VM 38
o Condo Secret Agent – The word at many condominiums is “no antennas allowed.” Here’s how one ham survived …… K0REC/4 44
o Make the Icom 720A Work for You – This rig knows when you change bands, so why not let it switch your antennas? Build this simple add-on and let your voltage do the work …… N4BL 46
o The New Communications: VHF Mailboxes – Join the growing wave of hams using digital techniques to get their message across. AF2M describes the (log) ins and outs of mailbox systems …… AF2M 48
o The Morning Beverage Antenna – If you are a coffee drinker and you work 2 meters, you’ll love this antenna. W4FXE shows you how to get wide bandwidths and small size at low cost …… W4FXE 54
o Try Out a Low-Level Lazy Loop – It may be only 10 feet up, but this aerial is no worm-burner. Better still, it will fit almost anywhere …… W1XU 56
o Gin Pole for Peanuts – Ever pull yourself up by the bootstraps? Build this gin pole and let it do the same for your tower …… N4UH 58
o Coax Connector Workshop – Tracking down feedline-related problems can make strong men cry. By starting out right you can avoid hassles …… N1BLH 60
o Make Your Noise Bridge Even Better – Use these shortcuts for easy calibration and give your transmitter 1:1 vision …… K4KI 64
o Antenna Refinishing the Easy Way – When a vertical begins looking like a rusty downspout it’s time for some maintenance. Here’s how K6EW saved a hamfest special …… K6EW 70
o 73 Cents for a Voltage-Transient Detector – Forget those expensive and complex Insurance policies Here’s the best protection you can get-and the cheapest …… WB8OWM 83
o Build the Armchair Satellite Tracker – Simple and cheap, this setup will follow OSCAR around like a dog. Put it together, lean back, and let this control system do the work for you …… K3LF 84
June 1983 (#273)
o D’Arsonval Dossier – How these meters work and how to make them work for you is no mystery. Discover the inner machinations of the D’Arsonval movement for yourself …… W1OLP 20
o Save Money on Used Meters – Does it work or doesn’t it? This simple tester spots real hamfest bargains …… W3QOM 19
o Live, From Across America-It’s Field Day! – The Corpus Christi Amateur Radio Club had helicopter TV coverage of its activities. Club member WB4EMI unveils the secret behind their success …… WB4EMI 22
o Construct the Cyclops Dip Meter – W4ATE’s unique single-coil design captured an Honorable Mention in 73’s Home-Brew II Contest. Now you can build this award-winning circuit for yourself …… W4ATE 26
o Be the First on Your Block with a 2-Meter Dipole – A few safety pins, some wire, and a little rod stock will make a portable antenna perfect for the traveling ham …… W9HD 30
o Two Meters for the Price of One – The oft-ignored shunt principle will turn an everyday junk-box meter into a surprising supermeter. The key is a piece of solder …… KB2JN 34
o Strangle QRM with Your TS-830s – Simple filter modifications will help your Kenwood choke out Interference KA2R gives you the lowdown on how to do it …… KA2R 36
o Smart Meters: The New Movement – Turn your passive meters into active error-correction systems. W4RNL’s innovative circuits make it a snap …… W4RNL 42
o A QSL Assembly Line of Your Very Own – The problem: a stack of QSL cards as high as Mt. Everest. The solution: a program that will make your TRS-80 climb the mountain …… WB8JEY 48
o Get Accurate with the Digital-Grid Power Meter – Your final input power is instantly accessible with this easy add-on …… N1II 50
o Diary of a Partially-Sighted Ham – Eyesight is not a black and white issue. Here are some tips for hams in the grey area …… WA6CNN 54
o Hot-Spot Metering-Automatically! – Here are money-saving designs that will let one meter do the work of several. Keep in control and keep your change, too …… W4RNL 56
o Build the Weather-Grabber – Don’t know why there’s no sun up in the sky? With this simple converter, you can listen to National Weather Service forecasts on your 2-meter rig and find out …… N1II 84
o Kill Power-Line Interference – You don’t have to be a big-game hunter to find the source of that annoying noise. All you need 1s your rig and your good hamming habits …… K3UK 92
July 1983 (#274)
o You Can Build This Code Trainer – More than a mere code-practice oscillator this CPU-controlled trainer features burned-in practice groups Flick a switch and you have a keyer …… K7ZOV 12
o The True Story Behind Heard Island – Fighting bad weather, shady ship owners, and bad press, the HlDXA expedition forged its way to the DXer’s dream. But getting there was only half the battle …… VK9NL 20
o More Stable Than a Rock – An Honorable Mention winner in 73’s Home-Brew II Contest, this 10-MHz generator is a sure cure for the drifting frequency blues …… DJ3NW 32
o Build the Billboard Keyboard Keyer – Get perfectly-tuned CW without a buffer. Then join the crowd at 60+ wpm …… KD7S 44
o Construct the Lead-Foot Key – If you like your CW In the fast lane, you’ll love this key And it is guaranteed not to slip any speed …… W5JQE 48
o The $2 Infinite-Memory Keyer -Take a break Your cassette recorder will send any message for you …… W0XI 50
o Apple, Morse, and You – Simple software and cheap hardware make for a great CW keyboard recipe Just add one operator …… AF2M 54
o Micro McElroy – Is Pet BASIC fast enough for solid CW copy? You bet-and this program will work miracles with a sloppy fist …… VK3BHM 56
o QRP Keyer for Misers – Get machine-perfect code with this keyboard. All it costs is 30 mW and a few dollars…… VE7DHD 58
o The Easy FIFO Keyboard – First in, first out means you type as fast as you want to. It will send at the speed you set…… N7BH 64
o Down-Under Depth Sounder – Get your feet wet with this Australian construction project We promise that you won’t get In over your head …… Harleck, Dawson 82
o The ROM-less, RAM-less CQ Sender – Automatic CW can be yours for the price of a few diodes. And you can reprogram without spending a dime …… VU2VIZ 90
o Yasme and the Call of Abu Ail – It was just a speck in the Red Sea, but it created pileups as big as a mountain …… W6KC, W6QL 94
August 1983 (#275)
o Construct This Customized Power Supply – Whether you want 5 Amps or 30 this supply can give it to you. But you only pay for what you need …… W9ODK 8
o VisiCode: The VIC 20 Way to Extra Class – First you get random practice groups Then you get the answers …… W7LTH, KA7AQA 14
o Running Scared at Spratly – Only steel nerves and luck stood between the 1979 DXpeditlon and disaster …… KB7NW 20
o The COR of a Reliable Repeater – Carrier-operated relays are the most-used circuits In any repeater. Use this simple design to get maintenance-free operation …… WA7SPR 24
o Precision Speed Control for the Billboard Keyer – Get more for your money by addling this circuit to last month’s project …… KD7S 26
o PC Boards for Penny-pinchers – Get picture-perfect circuit boards without buying a darkroom …… W2HCQ 30
o Faultless SSTV Picture Preservation – The dynamic duo of computer and printer helps save those perfect moments. Just add this program …… KF9X 38
o Save Your Signal with Forward Error-Correction – In a hostile signal environment, you need all the help you can get …… W9JD/2 44
o A Colorado-Style Battery Monitor – Texas has its barbecue and Chicago its pizza. Colorado’s claim to fame is this near-perfect device …… Wilson 48
o The Totally-Modified 2000 – Take Azden’s popular 2-meter rig and add all the extras you ever wanted …… W1GV/4 50
o Send Your TR-7800 to Obedience School – This Kenwood rig has some interesting habits-such as a slow scan rate. Can you retrain it in one easy session? …… KE6VK 54
o Do You Know Where Your Signal Goes? – it doesn’t just sneak off your antenna and hide. Find out where your lobes are and what they look like with this simple procedure …… N4UH 56
o Cheap Scanning for the IC-701 – Here’s a device that’s stingy in cost but generous in benefits …… AG9D 64
o To Go Where No Ham Has Gone Before – Sealand! -An enterprising team of DXers takes to the high seas to work S1, the smallest country In the world …… DF2AO 84
o 1001 Uses for the 9400 – Experiment WI-5 this cheap chip Ifs the IC you’ve always wanted, with applications you’ve never dreamed of …… W3KBM 88
o Propagation Explosion on 220 – This theoretical inquiry into the properties of 220 MHz yielded some unexpected results. Find out when and why your signal will be at its best …… W9MKE 90
o 18 kV with No Transformer – You need high voltage, but surplus transformers can’t turn the trick. Try this solid-state solution …… WA4WDL 94
September 1983 (#276)
o “10… 9… 8…” – Be ready when the Space Shuttle Columbia carries aloft the first astro-ham. Here’s the best way to contact this historic DXpedition …… WA6ITF 8
o Join the Packet-Radio Revolution – Get error-free, high-speed communications -Packet radio’s chief architect, WA7CXD, explains what it is and how it works …… WA7GXD 16
o Be a RTTY Rembrandt – Put that award-winning shine on your RTTY pix with these tips from a RTTY artist’s sketchbook …… WA2OQJ 28
o How to Increase Your QSOs – N6HYK’s seasoned advice will add spice to your CW contacts-even if you aren’t a Novice …… N6HYK 34
o Home-Brew an Apple Computer and Save! – In this 73 exclusive, KB2CA reveals the secrets of Apple construction From key board to motherboard, it’s all here …… KB2GA 40
o Build This Super Switch – The only thing this switch won’t do is brew your coffee It’s the lazy mans delight …… K4YS 52
o The Amazing Cylindrabola – This microwave antenna is easier to build than a dish But it works just as well …… WA4WDL 54
o Colorful RTTY: An Advanced System for the TRS-80C – It’s all here-a TU program, and modem to turn your CoCo into a professional-quality RTTY terminal …… K6AEP 58
October 1983 (#277)
o Six Antennas from Three Wires – With these modified Beverage antennas, you double your directions without doubling your cost …… K1VR, N1RC 10
o Join the Packet-Radio Revolution -Part II – Warm up your soldering irons. This part offers the nuts and bolts of building your own TNC …… WA7CXD 20
o Become a Low-Band Pioneer – Where does an audio transistor become a gccd rf amp? On 1700 meters, of course …… KL7GLK 34
o The Phantom Antenna of Possum Hollow – The boys needed a good antenna fast-before winter set in. Thurman’s mysterious story was the solution …… W8VFT 40
o Your Enemy, Feedline Loss – Let your swr meter stop this demon before it creeps up on you …… K3CSV 42
o PVC Meets VHF – Flush high cost down the drain and build these cheap antennas. The gain is free …… WA2NUB 44
o A 10-MHz Antenna for $10 – If you’re still on 30 meters, the Hanging Helix may be your last chance …… K9AZG 46
o Slaughter’s Sway-Bar Forest – Are trees an antenna hindrance? Or are they the means to the best antenna collection you ever had? It just depends on your outlook …… K9AZC 50
o The Phase-Shift Oscillator Goes Hollywood! – This circuit can be the star of your audio designs. All it needs is a tweak here and a taper there …… Goodson 54
o Build the Harmonic Zapper – When the TV starts sounding like Donald Duck, you need this 20-meter trap …… W2YW 56
o The Anti-Gravity Antenna-Erection System – Now you can put your wire antennas as high as you want-maybe …… W0YBF 58
o Your Own Beam-Bruiser – Muscle your beam around from anywhere with this local control box it’s perfect for serious tower work …… WB4FXD/1 62
o Put Together the Shawnee Logic Probe – It’s better than a tomahawk when you’re on the warpath against glitches …… Roth 66
o Take the Drudgery Out of Contesting – Let your Radio Shack computer dupe the log while you relax …… WB0NFX, W0CZ 84
o World’s Fair Super Squelch – With this two digit DTMF decoder-a perfect club project-you hear only calls meant specifically for you …… WA4TEM 86
o Defuse RFI – A clean signal starts with a good earth ground. Make yours better with some coax and capacitors …… W0WUZ 88
November 1983 (#278)
o Construct the Callsign Power Supply – KAIQZ put together aesthetics and electronics to produce a power supply that gives you more than good regulation …… KA1QZ 10
o The Magical Audio Filter – A variable frequency notch filter plus a peaking circuit will do wonders for your reception. And this project will almost build itself …… W6QIF 14
o Keyboard Your Way to Happiness – If happiness is perfect Morse, then this project is pure heaven. Special construction tips make putting it together as much fun as using it …… N7AGK 20
o Reveal the Receiver Behind the Specs – Here’s a program that will make sense out of all those numbers …… N6RY 36
o Terrific Top-Band Conversions – Jump up to 160 meters and beat the coming sunspot drought. Surplus gear will get you there cheaply …… K9QLL 40
o Cardsoft: The Transportable QSL Generator – If your machine runs Basic, it can run this program …… WB5LLM 46
o The Six-Meter Vfo That Won’t Quit – This hybrid has the best of both worlds. It’s as steady as a rock and has broad-band tuning …… N7APE 48
o Foolproof Logging – KL7CRF designed a logbook program that any TRS-80 owner can use. And if manages your QSLs, too …… KL7CRF 58
o The Program No Net Control Should Be Without – Every net generates lists. Keep yours up to date with this TRS-80 Basic program …… WA4VLE 62
o The World’s Cheapest Modification – All you need to put the FT-101 on 30 meters is three pieces of wire. What could be cheaper than that …… WB9DDF, W0UR 70
o A Two-Tone Squelch to Solve Your Scanner Woes – Selective listening is the key to success This squelch will help you cut the chatter …… WA3REY 84
o Electronic Mail Comes of Age – These mailboxes may be thousands of miles away, but they’re instantly accessible …… K0VKH 86
o Octal Ingenuity – It’s an old radio. You can’t find a replacement tube Now what do you do …… W9SIA 88
December 1983 (#279)
o Code Practice: Have You Seen the Light? – This simple cpo is the best weekend project under the sun -or bulb …… Davidson 10
o Unlimited Guarantee for Power Supplies – Plan for the worst and you’ll get the best, says KC0EW. He might be right …… KC0EW 20
o PC Boards in a Flash! – Make circuit boards without expensive equipment. All you need is a light and a fast switch hand …… KA1FJR 28
o “We’ve Been Boarded!” -When the Lorelei strayed into Nicaraguan waters, hams came to the rescue. Here, the net results …… W9UUC 32
o A Good-Buddy Power Booster for Converted CBs – KE4VP turned an illegal amplifier into a law-abiding citizen. You can, too …… KE4VP 36
o TVRO Troubleshooting – Get your Earth station off the ground with these signal-enhancing hints …… N8RK 40
o Streamline the IC-25A – Add a dual-speed vfo and remote control. You can do it in a few easy steps …… W2PQG 48
o A Perfect Match for the HW-8 – Heath’s little rig is the QRPer’s dream come true. So is 30 meters. Join them with this super-fast mod …… WA6BJH 52
o Don Wallace: Superham – Meet W6AM, the Grand Old Man of amateur radio …… W6CK 56
o Courage for Would-Be Hams – Here’s the inside story of how a worldwide network of hams is helping handicapped people get their licenses …… Norgard 70
o Micro Power for the DXer – This TRS80 program will help you cure that DXCC fever …… WO4L 77
o Warning: Your Time’s Up! – Don’t get taken by surprise. This timer add-on will tell you when to ID before it’s too late …… N7BH 78
o Babysit Your Battery – This intelligent charging circuit will pamper your emergency power system It’s what every repeater needs …… WA4TEM 86
o Make a Good L-Meter Even Better – Give the N5CC design a boost. Tack on this two stage buffer and dodge those sneaky loading problems …… WB1HKU/6 94
o Ironclad Repeater Control – With 12 outputs and tamper-free access, you can keep a firm grip on your repeater’s operations. And this circuit keeps the price from getting out of hand …… WA7SPR 100
1984
January 1984 (#280)
o Breakthrough in Boston: The Birth of Crosslinking – Wl1UKZ built this box. It’s small and it works. The question is whether you’re ready for it …… W1UKZ 10
o Grenada Log – With a body-bag rig and gas from a bike, a ham hustled home the news. Here’s history happening …… K1XR, N8RK 20
o Instant Pane Relief – This is the only notch filter for windows we’ve ever seen. If you can figure it out, you’ll beat the feedline flu …… KC8UD 22
o Sound Off! – Here’s the perfect S-meter add-on for the repeater that has everything. The higher the beep, the better the signal …… K3JML 28
o Some Alarming Techniques – These burglar-proof circuits will stump second-story men and amaze possible thieves-as well as you …… WA4CCA 32
o Join the Packet-Radio Revolution -Part III – Don’t mess up. Packet protocols and procedures are all-important, says WA7GXD, and he’s been right so far …… WA7GXD 36
o The CW Stationmaster – Regeneration turns the worst signal into a CW symphony. And that’s not all you get when you build this station accessory …… W4RNL 46
o Top Drawer, Micro-Style – Building circuits is fun, but drawing them isn’t. Let your Apple do the drafting …… K3LF 56
o Trade Secrets of Mobile Installation – Mounting a rig In your car is not as hard as it seems. Find out how the pros do it …… K4TWJ 64
o Around and Around and Around – There’s got to be a better way to wind your coils to specs. Build the Q-meter and get the exact inductance you need …… N7APE 70
o On the Move with 10 FM! – These modifications for Comtronix and Azden rigs will get you on your feet in a hurry …… W7AR 84
o Thank You for Listening – Build this simple speech expander and stop shouting. Your DX friends will thank you and the QSLs will roll in…… VE1BZJ 86
o Secrets of Nicads – Nicad batteries will save you money. Or will they? …… WB2FYW 88
o The Edison Effect – American inventor Thomas Edison is remembered for his array of electrical firsts. But lesser known is his invention of the first wireless telegraph …… WB2MVK 90
February 1984 (#281)
o This Antenna Is Too Good To Be True – It’s cheap. It works well on all bands. And it radiates a super signal …… W4HDX 10
o Construct the Minuteman Timer – As faithful as a grandfather cock. This timer tells when to ID – and when not to …… KA8QBQ 14
o The Secret of Remote Control – In Inside those miniature planes lie some sophisticated circuits …… WB3BQO 18
o Calculate Your FT-101 – Here ‘s how to treat your trusty FT-101 to a truly automatic digital display and get a frequency counter in the same box-at the flick of a switch …… VK8DE 22
o Strictly for FM Deviates – Ever wonder how the- modulation is on your FM rig? Try this simple deviation meter and find out …… KA8OBL 36
o Build a Better Hamfest – These hints from 25 years of experience will help make your event a success …… Housholder 40
o Caveman Radio – With underground inductive transmission, 300 feet is almost DX …… W9MKV 42
o Here’s the Split-Second Timer – In the darkroom or the shack, this beeper has 1001 uses. Its simplicity makes it the perfect beginners project …… WA3REY, WA3PTU 54
o Peak Your Picture with Home-Brew SSTV Gear – Go from gray scale 10 color bars with these simple generators. No monitor should be without them …… Cikas 60
o Op Art – Include the ubiquitous op amp in your next circuit KC0EW tells how …… KC0EW 62
o Put the DX World on a Screen – Everything you need to know about a country can be at your fingertips, you need is a VIC-20 and this program …… WB7RIX 69
o Convert the Oddball Hy-Gain Board – Some of these boards have two crystals and some have three. Now you can put them all on 10 meter FM …… N2DS 77
March 1984 (#282)
o In Search of the Shuttle: Fun, Frustration, Fatigue – From Maine to Hawaii, our special correspondents gave W5LFL their best shots. Thank them …… W5LFL 10
o W5LFL report, Burbank, California ….. K6DUE 10
o W5LFL Contacts …… ARRL 11
o W5LFL report, Saugus, California …… WA61TF 12
o W5LFL report, Westbrook, Maine …… KlEFZ 14
o W5LFL report, Nashua, New Hampshire …… WB1BRE 16
o W5LFL report, Lansing, New York …… KO2X 20
o W5LFL report, Jacksonville, Florida ……N4UF 22
o W5LFL report, Stone Mountain, Georgia …… KA4AKQ 21
o W5LFL report, Tucker, Georgia …… K4LDR 28
o W5LFL report, Dallas, Texas …… KD5JO 28
o W5LFL report, Texas City, Texas …… WB5ASA 30
o W5LFL report, Dayton, Ohio …… WB8IFM 31
o W5LFL report, Stevensville, Michigan …… KC8JX 34
o W5LFL report, Bloomfield,. Indiana …… W9HD 36
o W5LFL report, St. Charles, Illinois …… WD9G1G 31
o W5LFL report, Wheaton, Illinois …… KO9G 38
o W5LFL report, Buena Vista, Colorado …… W8FK 40
o W5LFL report, Encino, California …… KB6WT, KD6VG 42
o W5LFL report, Portland, Oregon…… KZ7T 45
o W5LFL report, Portland, Oregon …… N7AXC 49
o W5LFL report, Anchorage, Alaska …… KL7FKO 50
o W5LFL report, Hilo, Hawaii …… KH6B 52
o W5LFL report, Kaneohe, Hawaii …… KH6HHM 52
o W5LFL report, Some Final Thoughts …… WA6ITF 53
o Switch Tricks – Ever had trouble setting up switching? No more. The Minnetonka Master makes it easy …… KA0QSC 54
o LED’s You Have Never Seen – What are these little lights? What do they do? This is the book …… W5LFM 58
o Take the Two-Tone Challenge – Does your transmitter put out a clean signal? Build this two-tone audio generator and find out …… W8DCC 84
o Build the NASA Beeper – Space-wise communicators use this device for one good reason: clarity …… KQ4G 88
o Sky Power – If you’re a meteor-shower expert, don’t read this. Otherwise, learn …… WB4CHZ 90
o Wet Battery Quiz – And you thought you knew it all …… VE3AZX 92
o Another Antenna Approach – This Timex/Sinclair program goes to great lengths …… AD1B 96
April 1984 (#283)
o Doing It At Dayton – This unofficial Hamvention handbook helps attendees and dreamers alike …… WA4BPI 10
o Me and My Stupid Old PMOS Converter – At last, there’s an easy way to get -12V from a +5-V power supply. Who said “trial and error”? …… WB1HKU/6 14
o Watch That Signal! -Haul out your old oscilloscope and turn it into a signal monitor. The conversion is easy and the price is right …… W4RNL 20
o Digital Design: How to Interface ICs – Connect ICs to the outside world with these hints from the author of “Digital Basics” …… K4IPV 30
o Emulate an EPROM Elephant – The portable RAM-faker never forgets. Well, hardly ever …… McCarthy 40
o Crystal Microwave – “Easedropping” on this part of the spectrum is up to you. Here is a simple way to start …… WA4WDL 42
o Take A Trip to Europe – These tips from the world’s top SWL make it possible …… Peterson 48
o Four Bands, One Whip – Quadruple your mobile operating pleasure, please, but don’t blame us …… K3OF 56
o The Conlog Solution – What’s the key to winning contests? Put an Atari and this program at the helm of your station and find out …… N5ATD 62
o Ishmod’s Journal – What happened in 1963 finally surfaced in 1983. Was he a fool? …… Whipple 64
o The Terminal Terminal Unit – Build this variable-shift TU. Its performance will knock you dead …… K3PUR 70
o Wheeling and Dealing with Preamps – For a switch, from the remote hills of West Virginia comes a great antenna idea …… W8PMS 84
o How to Have a Sunny Field Day – When Michigan hams turned to solar power, they got more than they bargained for. Does success mean anything? …… W8YZ 100
o Painless OP-Amp Filter Design – Custom applications can be easy. Just follow this step-by-step guide to a perfect op-amp filter …… W4RNL 102
May 1984 (#284)
o From Base to Beams – Home-brew from the ground up – Here’s how to build a tower and top it off with performance-proven antennas …… W6TYH 10
o A Little Gem for QRP – The T2FD antenna thinks it’s a full-size rhombic. Feeding is believing …… W8VFT 26
o “The Tops of the Palm Trees” – 20,000 QSOs. Coral Sea. Banyandah …… VK2BJL 28
o How to Gain with PVC – This could be history’s cheapest quad. Try water pipe on 2m …… WB6BHI 37
o Helicoids – Few people understand haw to build these versatile whips. This article takes care of all the its, ends, and butts …… K2KSY 40
o The Big-Car Break-Down Beam – Try two-meter luxury the easy way …… N3BEK 46
o Simple Parabolic Theory – With a little bit of math -presented here- you can understand, design, build, and enjoy these effective antennas. Hopefully …… OA4KO/YV5 52
o Control Your Mobile Power – Can commuting be a daily QSO party? Yes, with this no-payment installment plan …… KBSQZ 56
o Virginia’s Antenna Farmer – From Falls Church comes a simple message to fellow hams: Simple antennas work! …… WA4BLC 60
o Throw in TV – Why not? This helix-building experience includes everything else …… WA4WDL 64
o Yagi Fear? – Forget it. Whether for construction or companson, this Atari program zaps every design problem …… W6WTU 84
June 1984 (#285)
o Easy Berardi Building – You can count on this simple frequency counter from Arizona …… Berardi 10
o Don’t Grope in the Dark! – Let a simple card-file box be the brains of your own emergency lighting system …… W7RXV 16
o Flying High with Two – Here’s how a hand-held makes for some ultralight Michigan madness …… WB8DQT 20
o Creason’s Do-It DVM – The more Sam builds, the more smart people pay attention …… K6EW 26
o Meeting Ends Make – These ten tips will better your club. Are you friendly or frigid? …… N6HYK 30
o Tester Project: England ’83 – Wherein you flash-chance transistors, chap …… Penfold 34
o Sounds Good to Me – Two Texans put together “73 Morse RIT.” It’s the best Basic VIC-20/C64 code program you will ever see …… W5VKC/1, WB5AYD 38
o Piggy-Bank Repeater Project – Set it and forget it. This inflexible controller doesn’t bend the budget …… KT2B 42
o Not-So-Famous Garriott Words – In one of his first post-STS-9 appearances, W5LFL spoke at Foothill (CA) College. We record his dedication to amateur radio. …… N6BIS 48
o Better the R-70 – At your own risk, you can soup up one of Icom’s super receivers. How to do it was not read here …… KE4AQ 54
o Elegant Rotating – K9AZG did it right. W4RNL makes it better. For sightless and sighted hams alike, this update to a 1982 article will be revealing …… W4RNL 60
o Requiem for the Tube – This pleasing project is perfect for pentodes. It could be the last time you use them …… WA2EWT 68
o New Orders for the R-109 – Two bucks and ten minutes are all it takes to reenlist a vintage receiver …… K8AXH/7 70
o Try Quality Code – Using this Mod III update is much simpler than saying its title twenty times …… K6APW 78
July 1984 (#286)
o Shoot at Will – KK2Y’s Dayton mandate was to capture things on film. He did it. Enjoy a slice of Hamvention …… KK2Y 10
o Secrets of Cordless Phones – Is privacy sacred and range not? Maybe some hands-on research can help you decide …… Haas 20
o Modern-Eyes the S-Meter – Here’s how to de-strain your baby blues by adding a simple LED readout …… Patterson 24
o Let’s Have More Hams – Part I: How to organize and run a Novice class …… AD0K 26
o Let’s Have More Hams – Part II: How to take and pass FCC exams …… KC3HW 30
o Son of Nicad Conditioner – This intelligent discharger knows when to stop and tells you how much time it took …… WlGSL 36
o Perfboard and Soldertail? – Definitely. What is commonly done never written up (until now) but always appreciated …… W4RNL 42
o Watch a Warhorse Work – With a new tank circuit, the SB-221 does great things for 160 and 10 …… W3JIP 48
o Random VIC – Code-loving Commodore addicts asked for this. Ye shall receive …… WB7RLX 66
August 1984 (#287)
o Top-Notch Tuner Time – Can’t get your signal out of the backyard? Build KC2NT’s antenna matcher and hear what you’ve been missing …… K2NT 8
o Cheap Power Ploy – This rugged supply will give you more power than you ever dreamed possible. Have we gone too far this time? …… K9QLL 10
o Penn’s Two-Tone Gadget – Clue one: We’re talking about lab quality. Clue two: Get your junk box …… W1BG 21
o Yaesu, Icom Graft Revealed – Splice Icom’s headset to Yaesu’s talkie and discover handle happiness …… K2OAW 32
o Stare-Way to Heaven – At the Arecibo observatory, the sky’s the limit. Who said size doesn’t matter? …… AJQN 34
o Counter-Productive Basics: Part I – Digital needn’t be difficult. Let K41PV guide you through the fundamentals of frequency counting …… K4IPV 40
o Messing With Heath – This 101 control mod proves fun and easy with frequency. Your rig deserves it …… AI7C 46
o AMTOR How-To – FEC? ARQ? Don’t panic. Timely advice from the father of AMTOR takes the confusion out of our newest mode …… W2JUP 62
o Picture-Perfect Audio Filters – Throw away that antique breadboard and scope. Let your Apple II peak and tweak a soft circuit instead …… K3LF 66
o Top-Band Power Punch – Sick of 5-2 reports on 160? Build this knockout kilowatt amp and make it 59 every time …… WA0VNY 70
September 1984 (#288)
o Counter-Productive Basics: Part II – How hard can counting be? K41PV tells us where the errors occur and how to fix them …… K4IPV 8
o Elementary, My Dear: Watts ‘n’ Swr – Stop guessing. Build this no-nonsense VHF/UHF wattmeter and save your hard-earned cash …… KT2B 14
o Perfect Timing – Proud of your repeater? Construct this multi-talented identifier and tell the world your who, what, and where …… VE2DWG, VE2AO 22
o Quick Qwip Conversion Fax – Seeing is believing. A few dollars and a weekend will turn this surplus unit into a reasonable facsimile …… KA9CDL 28
o No-Etch Circuit Boards – Produce quality PCs with N6JH’s cut and-pry technique …… N6JH 34
o Disco Duckie? – Try some dirt-cheap headphones for your HT …… N6CSI 36
o Ntty Grtty RTTY – Tomorrow, to Morrow, is too late. Build this easy Timex/Sinclair interface today and be on the air tonight …… WB6CTM 38
o Easy FSK for the IC-730 – Don’t settle for less than complete. Four dollars gives you the RTTY the factory left out …… WA4TTO 48
October 1984 (#289)
o Find Fault with Your Coax – Is your cable really doing its job? Find out with this elegant detective method …… K4IPV 10
o The Aussie Parasol Beam – What has twelve corners, three bands, and uses 140 feet of wire? Hint: It’s not a quad …… W6TYH 20
o The Incredible Broadband Bowtie – Truly designed for solid-state finals, this 75m antenna features 50 Ohms at the feed-and less than 1.5:l swr across the band …… KC3HW 26
o RX for Ailing Antennas – Maximize your system’s performance with this easy-to-construct noise bridge. It’s just what the doctor ordered …… K41PV 28
o Ryan’s Vertical Ecstasy – Warning: Graphic description of vertical antenna array patterns. Explicit CoCo language. May incite construction frenzy …… WB5LLM 32
o Try Low and Behold – Here’s a shock: You’ve been wasting money on towers and poles. W1GV explains why low antennas may outperform high-altitude aluminum …… W1GV/4 38
o A No-Holes Barred Beam – What to do when the lease says “no antennas”: Turn your entire house into a broadside dipole …… WA4WDL 44
o Another Eggbeater – Don’t be a VHF weakling. Pump up your performance with this simple 2m omni …… WD5DNL 48
o A Tree-Mendous Vertical – Build an 80m DX-getter that really grows on you …… KS4B 62
o When Darkness Calls – On 160m, success means diligent planning. These tips on gray-line propagation are your key to Top Band DXCC …… VE7BS 66
November 1984 (#290)
o Color Computer SSTV: Part I – Turn your CoCo into a complete SSTV terminal How? First, build this high resolution display system …… K6AEP, WB8DQT 10
o Wrap Up TVI! – Can you endure another evening without transmitting? Use this simple cure to choke out television interference forever …… KR7L 26
o But I Know How To Solder! – Anyone can dribble hot metal over a joint, bit it takes an artist to really solder. Are you a Picasso or a pig? …… WD4S 28
o Free-Form Filter Design – Build the ultimate audio filter: high-pass, low-pass, bandpass, notch, variable Q and cutoff frequency, all in a single circuit. Circuit? Sorry, that’s a single chip! …… KA4QVK 34
o Your Own Optoelectronic Anemometer – Light contral and car-top calibration make this project cheap to build, easy to align, and extraordinarily accurate …… K3VDB 42
o Rampant RTTY – Create the ultimate mallbox! K0WVN describes a system that operates from 45 to 1200 baud with dual shifts-automatically …… K0WVN 50
o Decode Soviet Space Messages – As you read this, mysterious signals are being beamed into your shack. What do they mean? Where are they coming from? Use WD0BCI’s satellite-telemetry reading program to uncover facts …… WD0BCI 53
o The End of the Line – What’s the point of sending power up the coax if it never reaches the antenna? These tips on connector installation and care will help maximize your station’s signal …… WB5LBI 56
o A Useful Present You Can Build – How about a high-tech holiday gift? …… WB4YOD/PW8ZAF 58
o Ham Over Fist – Here’s a VIC-20 CW program with a twist: Its real-time display lets you watch your dits and ‘dahs dance across the screen. But be forewarned-you may not like what you see! …… WD8BHH 64
o Homemade Defroster Shutoff – This simple gadget has nothing to do with amateur radio, but its a neat little project anyway …… KB2WM 68
December 1984 (#291)
o A Times Square Data Display – Build this scrolling touchtone decoder for your favorite repeater. What you see is what you hear …… WA4TEM 8
o Color Computer SSTV: Part II – Complete the picture by adding weather-satellite facsimile to your new color SSTV system …… K6AEP, WB8DQT 18
o Transistors: A Biased Approach – In Part I, KC0EW takes the mystery out of solid state with clear talk and practical examples …… KC0EW 34
o Yikes! Spikes! – You paid good money for that computer system. Now spend a few hours building an insurance policy against voltage spikes …… W1UO 40
o Give Your Micro the World – There’s no voodoo involved in analog-to-digital conversion. In fact, here’s a project for your TRS-80 that uses only two chips! …… A1OZ 44
1985
January 1985 (#292)
o Eight Mods for the IC-730 – Customize your ICOM! Snip here. solder there, and enjoy perfection …… N6HI 10
o VIC RAMification: Part I – Here’s how to turn 3 ICs and half an hour into 24K of extra VIC-20 memory …… Brefini 18
o VIC RAMification: Part II – W6LOB fills the 3K gap of Part I with a quick piggyback RAM expansion …… W6LOB 22
o Transistors: A Biased Approach – In Part II, we evaluate base current and gain and use this information to design a working transistor circuit …… KC0EW 26
o Automate the FT-757 – Ready for robot radio? An inexpensive micro is all that you need to computer control your Yaesu …… KA6IFQ 30
o That Glorious Gonset – With 300 Watts on 2 meters, the Gonset 972 thumbs its nose at solid state. Rebuild one and be heard! …… KT2B 34
o A Space-Saver Seven Megger – Stuffing full-wave 40m loops into tiny places is W8TYX’s specialty. We finally got him to tell us how he does it …… W8TYX 44
o Shoestring RTTY – Build a commercial-quality computer interface for under $30 …… W9ODK 46
o Is Your Repeater Dying? – With this 16 channel telemetry encoder, you have a remote chance of finding out …… WA4TEM 50
o How Good Is Six? – Try 50 MHz with a transceiver you’ve built from scratch. There’s no greater pleasure than saying, “I did it myself!” …… KL7GLK 57
February 1985 (#293)
o VIC RTTY Resource – Is your VIC-20 ready for RTTY? Make it happen with N5ALE’s foolproof software! …… N5ALE 12
o Satellite Supremacy – Sometimes 15 Watts just doesn’t cut it with OSCAR 10. The solution? Use W2GEF’s 60-Watt uplink amp-stripline construction makes building it a snap! …… W2GEF 18
o CB to Six – Why stop at 10 meters? KB5LF’s Hy-Gain conversion will take you to VHF just as easily …… KB5LF 22
o Future Schlock – The strange tale of the KA5S experiment. Was he a genius or a madman? …… KA5S 30
o Swr: A Modern Myth? – From rig to radials, noted expert W6YUY reveals the path to a perfect antenna system. Be ready for a few surprises …… W6YUY 32
o Ollie’s Folly – Circular polarization on HF? A forty meter helix with oil-drum forms? W1ZB’s signal runs rings around the rest. Folly, indeed! …… W1ZB 42
o Build a Better Box – Most hams cram their circuits into any old case that’s handy, but a little planning can turn a so-so project into a master-piece of packaging …… W4RNL 44
o Super Surplus Surprise – It’s super: 50 Watts on 160,80,40, and 30 meters! It’s surplus: That means inexpensive! It’s the GRC-9: Still surprised? …… K9RLF 54
o The Texas Trans-Tester – Here’s how to measure small-signal gain with a transistor checker you’ve built from scratch …… KG5B 60
March 1985 (#294)
o TVRO Trivia – To those would-be satellite enthusiasts wondering which way is “up,” W6SMJ offers the comfort of his years of experience in home satellite TV reception …… W6SMJ 14
o All This and PCII! – Would you like a fully-programmable Morse keyboard that will balance your checkbook and play Sousa marches? Then read on! …… W4FXI 26
o Do Volunteer Examiners Work? -A 73 Special Report – National VEC W5YI says yes. He should know …… W5YI 28
o The Incredible Digiohm – How to put ten million resistors in the palm of your hand? Build the ultimate substitution box …… Rich 34
o Speech! Speech! – Here’s a talking repeater controller that you can build in no time at all. It gives a whole new meaning to the word “vox”! …… WA4TEM 38
o So Why Do They Call It Wireless? – One easy antenna. Five hot bands. Need we say more? …… WA8JXE 44
o Cheap Heath Help – Is your HW-101’s offset off? Try this four-dollar fix. Without it, you’re being cheated out of QSOs …… K6YB 48
April 1985 (#295)
o Dateline: Dayton – It’s almost here! Take an inside peek at the what, when, and where of ham radio’s biggest bash of the year with 73’s annual Dayton Hamvention sneak preview …… WA4BPI 12
o Hear, Hear! – Stop settling for second-rate signals from OSCAR. You’ve really no excuse. W6I0J’s low-noise preamp is easy to build and includes all the circuits necessary for alignment. So do it! …… W6IOJ 20
o Ishmod’s Journal – What really happened on that lonely, uncharted rock? And what was the eerie glow? …… Whipple 24
o Don the Dayton Hat-tenna – Put a cap on your communications problems with a rubber duck that’s heads above the rest …… WB3CQA 26
o Zounds! Grounds! – Here are the down-to-earth details you need to install a perfect ground system …… K4IPV 30
o Build the Dixie Whistler – Adding two-tone SSB analysis to your test repertoire is as easy as one, two, tweet …… WB5IPM 36
o In Search Of: RTTY – Experience the mysterious world of RTTY beyond the band edge, but beware! Its allure’s too great for all but the stoutest of heart …… WA0MRG 48
o Take A Hike – Combine a regulated power supply with a lightweight rechargeable battery. Add a smart control system. The result? Incredible versatility! …… N3BEK 54
May 1985 (#296)
o Discover the Discone – Is this the perfect aerial? Consider simple wire constrcution, easy one-time tuning, and flat swr from 3.5 to 28 MHz …… W1GV/4 17
o Two for Two – We respectfully offer a pair of radiators for the two-meter band so elegant, yet so simple, that you will kick yourself for not thinking of them first …… WA4BLC 22
o The Snake with LED Eyes – A tall tale from the Antlers- wherethe decoration is strange and the stories are even stranger …… WA8WTE 24
o Up, Up, and Array – W6TYH’s hybrid collinear will rocket your signal to new heights! …… W6TYH 32
o Good to the Last Dot -Is there life beyond WX HR IS? With these practical tips you’ll perk up every QSO and make every contact an adventure! …… N6HYK 38
o Porqupine Mobile – Bristling to work HF from your car? Sport these spikes and hit the road …… N2CMU 40
o The Rubber Duck Debunked – In ten minutes you can have 10 dB gain over your HT’s duckie. It’s enough to make you try …… W4NVK 42
o The No-Baloney Lunchbox – We suggest you paint this antenna tuner before showing it to your friends …… KR3T 44
o Rotate the Bobtail Curtain – How do you rotate one hundred feet of wire antenna? It’s simple: Just flip the switch …… W8HXR 48
o Alligatored Antennas – (clip) it’s 30m… (clip) it’s 17m… (clip) it’s 12m. Get the idea? …… WA4UZM 50
o Zuper Zepp for VHF – Zip up your signal with UZM’s planz! …… WA4UZM 52
o Phase the Nation – North, south, esat, or west, you’ll be on target with the dobule-X trapped-vertical array …… KB2XX 54
o Where Am I Pointed? – Is this Sinclair beam-aimer program just like every other? Guess again …… AD1B 56
June 1985 (#297)
o Tune In the TU-1000 – Has your RTW budget hit bottom? Then dust off that soldering iron-K9EUI’s no-nonsense terminal unit gives store-bought performance at a build-it-yourself price…… K9EUI 14
o Secrets of Telehamming – When the bands are dead, try trading your transmitter for a telephone. Operators are standing by …… K9EI 24
o CoCo’s Counter – Use this dirt-cheap method to tune up your AFSK generator …… KG4Q 26
o Is Ham Radio Baking Us? – What damage occurs when human bodies are subjected to electromagnetic fields is not fully understood. Here, an expert in biostatistics examines the problem from an amateur’s perspective-and offers some practical preventative suggestions …… VE3KSP 28
o AFSK, And Ye Shall Transceive – A sine from heaven is what you’ll get when you build the AFSK-1020 …… K9EUI 32
o Through the Looking Glass – If you could peek at a RTW signal through magic audio glasses, what would you see? You’ll find out with KN4L’s Apple opus. a program that whispers. “Run me” …… KN4L 34
o Perfection Plus – It’s not often a prize-winning package can be improved. Here’s a new look for a popular RTTY tuner …… W1PDI 36
o Speak-No-Evil RTTY – This tiny routine is all you need to transform your Heath H-8 into a RTTY receiving demon! …… WA6NHC 40
o On the Flip Side – Here’s how to add reverse shift to your Kantronics Interface …… K1QPS 42
o Quash QRM – Add a “RTTY Narrow” position to your TS-520’s mode switch-you’ll never copy hits again! …… KA4MTO 44
o The D-Day Demodulator – When the CV-89A joins forces with your micro. you’ll take the RTTY bands by storm! …… WB5LLM 46
o Slick VIC Trick – Here’s the cheapest way we know of to add a printer to your VIC-20. First, find a Model 33 …… KW9L 50
o QSK for Your Vintage Vfo – All it takes is an hour …… KA3GCQ 54
July 1985 (#298)
o Faces of Dayton ’85 …… KW1O, WB8BTH 8
o ICOM’s Extended Play – Ten minutes with a Phillips screwdriver gives your IC-751 transmit capability from .1 to 30 MHz! …… KS4B 12
o America’s Dream Array – Twenty-seven dishes in a twenty-one-mile pattern make for some serious DXing at the National Radio Astronomy Observatory. Galactic DXCC, anyone? …… AJ0N 18
o WARC for the FT-101E – Here’s how to join the fun on our new 12-meter band. And you’ll be ready for 18 MHz, too! …… ZS2RH 22
o The Dayton Downlink – Optimizing your OSCAR downlink system can be frustrating. Use this easy method to measure your improvements and know just when to stop …… W9JD/8
o The 30-Meter-Plus Receiver – Explore the world of 10 MHz with a solid-state receiver you’ve built yourself! We’ve come a long way since oatmeal boxes and cats’ whiskers …… N4EY 30
o The Incredible Inducto-Gauge – Measure coils with impunity! Better yet, measure them with this weekend project: a do-it-yourself inductance meter …… Ketchledge 34
o The Peerless Power Pack – Simplicity is the key to this rugged 12-volt, 5-Amp supply. If you’re looking for quick energy, here’s the answer …… KO2G 38
o What You See Is Where You’re At – Tired of guessing your frequency? Resolve your problem to 100 Hz with this add-on digital display …… WA8YKN 40
o There and Back Again – Add band-scanning to your TS-930s for under $20 …… KC7O 44
o Home-Brew the Blockbuster – In a heroic effort, WB2WIK has created the ultimate 6-meter amplifier. Its single 4-1000A delivers over 2 kW with only 20 Watts in. The power supply alone weighs 120 pounds. When this monster talks, people listen! …… WB2WK 50
o Broken Ox Blues – The grid-dip oscillator is a stellar performer, but missing coils can mean big headaches. Avoid frustration by winding your own …… W7RXV 56
August 1985 (#299)
o The Downunda Project: Part I – Stone the crows! This fair dinkum 2m transceiver from Australia really scores a six! …… Simpson 14
o Harmonic-Free QRP? – Avoid an FCC pink slip by measuring second-harmonic power with the ZS6UP reactance load …… ZS6UP 29
o World War Wireless – What can you do with a pencil, a razor blade, a paper clip, and a hank of wire? Why, build a radio, of course! …… W1BG 32
o Instant ATV! – W8CHK breaks through the mystique surrounding fast-scan television. You won’t believe how easy it can be! …… W8CHK 36
o Modification Mania! – Here are not five, not ten, but fifteen ways to perk up your HW-401 …… AI7C 42
o Hunt the Auto-Fox – Has your transmitter-hunting gone sour? DFers will love chasing this wily box, and its variable skill levels give them a run for their money …… WB6GTM 48
o Surviving the Unthinkable: Part III – WA8YKN outlines simple precautions that will allow your radio equipment to survive an electromagnetic pulse …… WA8YKN 52
o Scope That Signal – Are you over-modulating? Is your linear linear? Find out with a station monitor you’ve built from scratch …… KD6VP 56
o A Scavenger’s Radio – Using it is easier than building it …… KA0DMT 66
September 1985 (#300)
o Again, the CCD – The continuing story of ham radio’s most amazing antenna …… KC8BN/7 12
o The Downunda Project: Part II – How to assemble and align the DSE 2m transceiver described last month …… Simpson 17
o Fighting Fire With Wire – If 15m is hot and your antenna’s not, try the V-bomb array …… W6TYH 26
o Brew a Coffee Ground Plane – No cream, no sugar-just a 440 antenna that really percolates …… WA2OVG 30
o Takin’ It to the Streets-Part I – Work the world from your HT! Crossbanding expert WA6AXX explores the how-to of remote and auxiliary operation …… WA6AXX 32
o Build the Broadband Bow Tie – It’s every ham’s dream: An 80m antenna with a flat swr of 1.5:l from 3.5 to 4.0 MHz. And it couldn’t be simpler …… WD9ELG 38
o Don’t Fall for Swr Fraud – Your feedline may be swindling you. Find out how much power you are losing and how to stop it …… W1GV 40
o Whip the Competition – Improve your 2m HT’s “mileage” with this custom antenna from Datsun! …… N3DRW 42
o Exponential Potential – The problem: A broadband antenna fed with coax exhibits narrowband re-sponse. The solution: Use this exponential-line matching system …… W6TYH 44
o Wheatstones Are Not Crackers! – Here’s the slickest application of the Wheatstone circuit yet devised. The Nuller Bridge is the only instrument you’ll need to adjust your antenna matching unit to peak performance …… K4KI 50
o A New Angle for Dipoles – Stand them on end! Sounds odd, but WlGV presents an excellent case for HF vertical dipoles …… W1GV 54
o Six for Two – Get range-tested 12 dB gain for under $5! K.C. Jones engineered this 2m delta beam for maximum bang per buck …… KA8RCJ 58
o Dr. Frankenstein’s CB Beam – Ravage the countryside with ten-meter rf! Create your antenna with refuse from the Citizen’s Band graveyard …… KA3JOM 62
October 1985 (#301)
o Silver Eagle Awards …… Editors 18
o Talk Is Cheap – Good news: Now you can afford a speech synthesizer! You have our word on it …… WB6NQK 22
o Takin’ It to the Streets-Part II – Last month’s discussion was only half of the story-now discover what remote control can do when the ShackMaster’s power is unleashed! …… WA6AXX 32
o Above Intercept – It is cramped and dark and freezing cold, but the Allies need information. Has Britain’s secret radio fallen into enemy hands? …… Layton 36
o Build a 1296 Stripper – Join the fun on 1296 MHz with WB61GP’s stripline down-converter …… WB6IGP 40
o Looking East – Silver Eagle award-winner Bill Pasternak recalls his 25-year relationship with W2NSD and 73 …… WA6ITF 46
o Old Tubes Never Die! – Discover the romance of glowing filaments …… W6HDM 50
o Give Your Disks a Physical – Are you getting what you pay for? Use this simple technique to quality-inspect your valuable floppies …… Kraska 56
November 1985 (#302)
o “Just Leave Me Here To Die!” – In June, 1985, two VHF contesters trudged 4200 feet to the top of Slide Mountain. Fifty-pound packs, wet weather, and pernicious porcupines were simply a part of the fun …… KT2B 14
o Toss Out Your Tubes! – Replace them with high-performance FETs. OA4KO shows you how …… OA4KO/YV5
o Improve Your Audio Report – Are you tired of lying to your fellow amateur? Try the QRI signal reporting system. Let him know what he really sounds like …… W2OZH 28
o Conjure an Rf Genie – 73’s Weekend Special: A 3-22-MHz signal generator/i-f aligner you can build in under two hours …… K1BQT 32
o Operate OSCAR on 10 Meters? – It’s a snap-all you need is this versatile satellite converter! …… W6IOJ 36
o A Gentleman’s Antenna – The solution to an age-old problem: How do you fit a 160m wire onto a 40m lot? …… WA4BLC 44
o Probe the Unknown – Looking for an easy way to measure rf? Use the “electric pen,” a no-load active probe with real flair! …… Bailey 46
o It’s a Dangerous Obsession – Growing up and learning about electronics is like driving a car before you can reach the brake pedal, KB4YJ tells how he lived through it …… KB4YJ 50
o Convert and Converse – Transform your C-64 Basic programs into Hamtext-readable sequential files. …… WB9AOU, WD9ADZ 52
December 1985 (#303)
o FM Your IC-730 – Put the icing on your ICOM-and discover why the 10m-FM craze is sweeping the nation! …… N9DBX 18
o Join the SWOT Team! – 2m FM is fun, but using a repeater won’t challenge your skill. Turn the switch to SSB and find out what ham radio is really about! …… KA3B 26
o One-Chip Facsimile – We all talk about the weather; now you can see it on your Atari. You’ll be amazed at how simple it is …… WB8TPD 38
o NOAA’S 2m UFO – Your weather radio is a great signal source on 145.8 MHz. K9POX explains why …… K9POX 42
o Secrets of Cellular Radio – Take a guided tour behind the scenes of our newest repeater …… N1BLH 44
o The Santec Spectacular – Is your Santec becoming forgetful? Are its batteries going soft’? No more! Here are two quick mods that bring your hand-held to within an inch of perfection …… W2IVS 50
o Saga of the Willie Wand – W5RRH learned a new technique while building this 6-element 2m beam. It’s called cut and try and try and try …… W5RRH 52
1986
January 1986 (#304)
o More Cheap Talk – Here’s the beginning of the end of your sanity -a text-to-speech algorithm that lets your computer speak its mind! …… WB6NQK 12
o Try an Inverted-Psi Wire – Get the DX edge on 80m with a radiation angle that’s almost too low! …… W1GV/4 22
o Selcal and State Machines – WA7NBF takes the mystery out of this powerful technique with a hands-on selective-calling project …… WA7NBF 28
o Little or No Resistance – Explore the strange world of superconduction, where current flows forever and a picosecond is an eternity …… AJ0N 36
o Run Silent, Run Beep – Is your FT-227RB scanning? You won’t have to guess with this easy add-on …… PY2AUC 40
o A Better Money-Maker – WA6TTY stiffens up his original power supply to deliver a solid 13.8 volts at 20 Amps. The cost? Under three bucks! …… WA6TTY 42
o The Commodore Cable Caper – Need a printer cable? Strapped for cash? Don’t just sit there? build the darn thing! …… KE4PC 44
o The Perfect RTTY Filter – Its tunable shift covers 80 to 1160 Hz with a flat gain and Q. And you can build it for less than ten dollars !…… WA0MRG 46
o Double Your Computing Power! – Try “parallel processing” with a second CoCo keyboard …… NO8M 50
o Working 2ICTU – Can RTTY get any simpler? …… WB8QMK 54
February 1986 (#305)
o Razor-Sharp CW – Here’s a filter for fanatics -or is 80 Hz too wide? …… N6HI 10
o New Bands for Old Rigs – Internal or external, converter or transverter, here’s how to add three WARC bands to your favorite radio …… GW3SB 16
o Razzle-Dazzlin’ Your Azden – Some sleight-of-hand with a fistful of parts will make your PCS-2000 a 2m star! …… K7UKW 20
o VIC RAMification: Part III – Thank W6LOB for the memories …… W6LOB 26
o Yesterday’s Circuits Today – Remember tubes? W6HDM does. He’s resurrected a half dozen of his favorite circuits and updated them with semiconductors …… W6HDM 28
o Up, Down, and All Around – Fit your KDK 2016A with this ten-dollar Scan Can …… WA2AXO 36
o Build a Dynamic Duo – Add a speaker/mike and a 12-V adapter to your HT …… VE1VQ 40
o Scanning the TR-2400 – A simple mod for lazy hams?push the button and it scans! …… WB8IKO 42
o The RIT Stuff – Clarify your FT-101E’s reception with this five-component modification …… K1NYK 44
o Rebirth of the Eico 221 – Turn this flea-market regular into a super-sensitive voltmeter. Then count the money you saved …… W5VTJ 51
o Super-Selectable Bandpass Filters – PASSE uses extraordinary methods to craft the ultimate i-f filter …… PA0SE 54
o Curious About Code? – Learn (or improve) Morse from your TRS-80! You’ll never find a more patient teacher …… Lewart 60
o WARC, Rest, and Play – Adding 10-MHz capability to your Yaesu FT-101Z is a simple step-by-step process. In just a few hours, you can join the fun on our newest amateur band …… K7KQ 62
March 1986 (#306)
o Japan’s Hush-Hush Rushbox – These units were ordered destroyed after WWll, but a few fell into the hands of collectors. Now, after 40 years, PA0SE analyzes the Imperial Army’s secret radio …… PA0SE 9
o Halt That Hum! – That annoying ac hum is robbing you of pleasure. Fix it in an hour with WA4WDL’s seven-piece filter …… WA4WDL 17
o Faster Than A Patch, It’s Speed Dialer – Dial home while driving by simply pushing a single button on the microphone …… K7UKW 20
o Don’t Be A Kamikaze! – The Hara- Kiri Box is an improvement on the suicide cord that’s still dangerous, but it’s a lot safer than the cord …… KA4J 30
o 132 Extra Memories for Your FT-I07M – At three cents a piece, why not? …… LU2HP/ON6JC 32
o Inside CoCo’s ROMpak – Store your favorite Color Computer programs in ROM-and never type “Load” again …… WB8IKO 36
o Build A Digital IC Trainer – A great helper for testing components, as well as experimentation and circuit development …… WB4YOD/PW8ZAF 40
o Get Organized Today With Argo’s Helper – If your present QRP station is comprised of a half-dozen black boxes interconnected with several cables, then th is may be the construction project for you …… W3BYM 44
o Instruction Instructions – Discover hidden savings in the last place you’d ever look-the instruction manual …… N6HYK 50
April 1986 (#307)
o The Dayton Hamvention ’86 – The center of the ham radio universe …… WA4BPI 20
o Your Bridge Over Troubled Antenna Tuning – Is your antenna less than ideal? Put more fire in the wire …… W3MT 24
o Stretch the GP Antenna to the Max – This, the simplest of all antennas, has much to recommend it …… GW3SB/G3SB 27
o The Care and Feeding of a Curved Linear Array Antenna System – For low cost, very low maintenance, yet acceptable performance, try this antenna system for use in high-frequency amateur radio operations …… N6BIS 30
o Stacked Vee-Beam Arrays – If 15 meters sounds dead, you’re not using the right antenna! …… W6TYH 32
o The Match Maker – Everyone knows that antennas and transmitters should “match.” But what exactly is that? And how is it achieved? Here are the answers …… VE3LMP 38
o Antennas Should Be Heard, Not Seen – Ham radio meets interior decorating! KC3HW’s 2m J-pole wins the prize for unobtrusiveness …… KC3HW 42
o A Connoisseur’s Microwave Converter – Brent Harry set out to build not the cheapest, but the best downconverter possible. Serious microwave enthusiasts will thank him …… Harry 45
o Get With the Program and Speed Up Your Code – Here’s your opportunity to increase your code speed without QRM, QRN, or QSB! …… KA2QOU 54
o The Potabilities Are Endless! – Dunk your next project into icky goo and discover why potting a circuit is even more fun than building it …… KA7AWD 57
o The Basics of Computer CW – Here’s a twist: W9ODK preprocesses Morse to make life easier for his VIC-20. The result? A Basic program that copies code from 5 to 50 words per minute …… W9ODK 59
o Terminal Teletype – The last RTTY program you’ll ever write for your H-89 …… W3RWU 62
o Malley’s Manchester Monitor – Listen in on the world’s finest conversationalist-you! …… K1NYK 66
o Easy Digital Circuit Analysis – Learn the basics of Boolean algebra while you design an electronic keyer. Then use K5VKQ’s techniques to give your project a “software smoke test” …… K5VKQ 68
o Rock Solid Rf – Get pinpoint precision with this PLL-based frequency synthesizer …… Ociepka 74
May 1986 (#308)
o Lousy Inconsiderate Dummies – Lids we love to hate …… W2NSD/1 28
o Speed-Charge Your PB-21 – Is your TH-21 spending more time on your desk than on your belt? …… WA8IZV 32
o Army Surplus CW – Revamp the CIA’s secret CW sender …… W8MFL, WL7AKZ 36
o The Day the Aliens Landed in Limerick, Maine – The ultimate eyeball QSO …… W1ROM 38
o The Hula Hoop Loop Revisited – A new twist in deep-null receiving antennas …… W6QIF 42
o Are Sine Waves Sacred? – Plug your toaster into a trapezoid …… W6HDM 44
o Transmitter Hunters: Here’s Your Ammo For Tracking – Be the first on your block with a 2m paint can …… WB0CMC 50
o What You See Is Where You’re At: Part II – Add a digital frequency display to your favorite radio …… WA8YKN 54
o Total Solar How To – turn sunshine into sine waves …… WB8VGE 60
o Agc, PDQ – A real ear-saver, and cheap to boot …… KX6E 66
o Radio to Go – For the ham whose mike is grafted to his lips: a strap-on, carry-out radio …… WB0WPY 68
o Remote-Controlled Everything – The lazy ham’s dream?just point and press! …… WB6VYN 70
June 1986 (#309)
o Never Say Die – Nine full pages of W2NSD/1! …… 4
o A Walk Through the VHF/UHF Spectrum – Is there life after 40 meters? …… KT2B 26
o Hams In Space – W5LFL & W0ORE talk about the past, present, and future of ham radio …… KW1O 34
o Two to Ten – A quick way to get on 10 FM with a big signal …… WB5IPM 38
o Some Guys Make It – Classic humor from 73’s cellar …… K2ORS 46
o Digital Simplex Repeaters – New-wave ham radio?a marriage of packet and digital-voice technology …… K4YKZ 48
o Messing With Microwaves – Wonderfully cheap, and incredibly fun! …… Neal 52
o They Threw What Away? – Our favorite uncle is dumping his UHF swr bridges …… WA8WTE 58
o Those Tantalizing Twos – Guess what? Your IC-2AT or IC-02AT is also a versatile scanner! …… AL7DS 60
o Computer Rotor Control – The first step toward an automatic shack …… WB2UVU 64
o Head to Head – ICOM’s IC-471A versus Kenwood’s TS-811A …… KT2B 20
o MFJ’s New Packet TNC – The MFJ-1270 …… N1BLH 24
July 1986 (#310)
o Dayton ’86 – Capture the excitement (and the exhaustion!) of the Dayton Hamvention in pictures …… Staff 16
o How to Build A Great Ham Club – Fatherly advice on how to strengthen even the wimpiest of groups …… W2NSD/1 26
o Roll A RTTY Scope – A project for the purist- this tuning indicator has a built-in CRT …… WA0MRG 28
o Bozo And the B-Hunt – Light a fire under your repeater group! Send them off on a wild goose chase! …… WD6R 36
o HAMS Against Drunk Driving – How your club can aid in the fight against drunk drivers …… KB6HQS 38
o The Piggy-Bank Patch – In this follow-up to “The Piggy-Bank Repeater Project,” you’ll discover how to build an add-on autopatch for the original controller …… KT2B 40
o Future Hams of America – Find out what happens when 8,000 people are introduced to ham radio all at once! …… Azzalina 44
o Publish Or Perish – From what to put in to where to put it, here’s your guide to publishing a club newsletter …… N1BLH 48
o Genius Brings Home the Bacon – Seven years later, the Mobius antenna takes on a new twist …… Phenix 52
o Administering the Novice Exam – The simple steps to take when bringing a Novice into the fold …… WF6P 56
o Troubleshooting With the DMM – A step-by-step guide to tracking down rotten transistors and diodes using a digital multimeter …… Davidson 58
o Kit Corner: the DSE Radio Direction Finder – An introduction to the art of kit building …… Swain 64
o C-64 S-s-s-tutter Fix – This is a guaranteed, sure-fire cure for key-bounce …… WA4BLC 70
August 1986 (#311)
o A Packet Primer – For the totally bewildered -learn the mechanics of packet without having to ask embarrassing questions …… W1BEL 28
o How To Make Friends At 1200 Baud – Answers the question “What do I do with it?” that you asked after reading the primer. This article explains the operating side of packet …… W2JUP 34
o Precision Packet Tuning – Complete plans for building what could be the world’s best packet/RTTY tuning indicator. It’s all digital and has a resolution of 10 Hz! …… WB2OSZ 40
o Seeing Packet Radio With Different Eyes – How a blind ham copes with an inherently visual mode …… N7FDS 48
o So You Want To Be A Sysop? – You may change your mind! Learn the secrets of a successful packet bulletin board station …… WB2MNF 50
o Birds ‘N’ Bauds – Amateur satellite builders from three countries discuss what’s in store for packet radio in space …… NK6K, JA2PKI, DK1YQ, DB20S, DJ0HC/KE6MN 58
o Connect Alarm! – A simple add-on for your TNC that screeches when someone connects to your station. This is a one-hour project (we’re timing you!) …… K7YZZ 66
o Survival Training For Mountaintop Digipeaters – The amazing story of a club with a purpose: to blanket the state of California with digipeaters …… WB6RAL 68
o Beyond Level Two – The philosophy of networking and the future of amateur packet radio. Read only after successfully completing pages 1-73 …… KA9Q 74
o Lightning Never Strikes – These simple precautions can save your rig… or your life …… W0WUZ 79
o And If That Isn’t Enough – If you’re still totally bewildered about packet, join this question-and-answer round table …… NK6K 80
o On The Shelf – A bibliography of the seminal works in packet radio …… NK6K 86
o 73’s Packet Buying Guide – At-a-glance comparisons of everything on the packet market (complete with prices) …… Staff 88
o Kit Corner: The DSE 500-MHz Frequency/Period Counter …… KW1O 90
o A computer on a Drive – Ampro’s CP/M Little Board …… WA8WTE/4 24
o Driving the Computer – Hamcom terminal software from AEA …… AE5V 26
September 1986 (#312)
o A Rotatable What? – How to spin 90 feet of crank-up tower on a lazy susan …… WA2VUN 28
o HF Antennas: All Bands, All Wire – Another round in the crusade against coax?these three 9-band doublets contain no artificial ingredients …… W0VM 32
o Watts My Line – Coax, parallel feeders, or microstrip, this Basic program lets you design your own custom transmission line …… K4IPV 36
o Scaling the Wet Noodle – Antennas in one-quarter time: Experiment with your favorite 160-meter ludge on 40 meters …… W5RRH 40
o The Missing Link – Control your entire HF station from the convenience of your HT’s tone pad …… WB2REM 42
o Dishing It Out On 10 GHz – Microwave feed systems and antennas that really cook …… WB6IGP 46
o High and Dry – You’ll literally go through the roof over this beam mounting scheme …… WA2OLZ 50
o The Ramada Radiator – It fits in a suitcase, covers all bands, and costs under $10 to build …… WA8WVF 52
o Texas Tango Antenna – Get two bands for the price of one with a tuned-coaxial-stub dipole …… K5BTV 54
o Trap An Amazon Aerial – In the jungle, there are no Radio Shacks. Here’s how to home-brew your own traps …… WB4YOD/PW8ZAF 56
o Resonate Wire Antennas – Amateur radio’s roots: Take a piece of wire and stick it in your rig. (Well, it’s a little more complicated than that) …… W0VM 60
o Lazy U Dipole – Here’s what happens when a dipole gets the bends …… VE7BS 64
o CoCo’s Compu-Charger – Could this be the world’s smartest NiCd conditioner? …… K2OAW 70
o Does All – ICOM’s IC-1271A VHF/UHF multimode transceiver …… KT2B 22
o Tells All: – The Heathkit HO-5404 station monitor …… N1BLH 24
October 1986 (#313)
o Just the FAX, Ma’am – Check out NOAA’s eyes in the sky with this one-chip weather FAX decoder for your C-64 …… WB8TPD 24
o Make the Switch to PIN Diodes – Unbelievably fast, PIN diodes can drag your tube-bound transceiver into the 80s with silent switching …… OA4KO/YV5 28
o Shoestring Shortwave – Remember when rigs were built on pine bases? Try KICLL’s converter for old time’s sake …… K1CLL 34
o The End of the Rope – Some days you just want to mail your license back to the FCC …… K9AZG 38
o A Simple Way to Measure SSB PEP – Sure, anybody can do it on CW, but what about that dancing voice envelope …… W5VSR 40
o Microwave Building Blocks: The I-f Amplifier – What used to take a rack of tubes can now be done on one tiny chip …… WB6IGP 42
o The DXer’s SCF – It’s deadly sharp, doesn’t ring, and needs no alignment. Is this switched capacitor filter the ultimate station accessory …… NB9K 46
o One Band, One Transistor – Carry your 75m net around in your pocket …… WB2EUF 54
o On the road: – The DSE 440-MHz mobile transceiver …… WB6PHE 18
o See the band: – Heathkit’s HOA-5404-1 Pan Adapter …… N1BLH 20
November 1986 (#314)
o A Power Supply Primer: Part I – First part of the last word on those big heavy things …… K4IPV 26
o Born-Again Bargain Boards – Put surplus (cheap!) printed-circuit boards to work in your shack …… Thompson 30
o Defuse RFI – The answer to the question, “What’s a coaxial ground?” …… W0WUZ 32
o Commodore’s RTTY Riot – Super-simple way to put your C-64 on RTTY …… W8CHK, WB8YOB 34
o Transistors On The Bias – The straight scoop on how to build a transistor amplifier, complete with a free Basic program …… W6WTU 40
o No Free Lunches – Step into the middle of a raging debate -can we get energy from nothing? …… W6HDM 42
o Subaudible Snooping – Figure out what frequency everyone is using for subaudible access on their repeaters. Endorsed by the Radio Police …… KE6VK 48
o A Pedal-Pushing Power Plant – Work on your weight while you power your station …… WA8WTE 50
o 73’s Annual Holiday Shopping Guide …… Staff 54
o Head-to-Head 220 bricks – Alinco’s ELH-220GF versus Mirage/KLM’s C22 A …… KT2B 20
o Another brick for the wall – Dick Smith’s 100-Watt VHF amp …… WB6PHE 22
o Heath Power – Heathkit’s IP-2760 Battery Eliminator …… KW1O 24
December 1986 (#315)
o Make The Switch – Add WARC to your rig’s bands witch in a few hours?but you’d better get a pair of tweezers …… WB2JJX 26
o A VOX In A Box – This is the SSBer’s answer to memory keyers -a tape-loop CQer! …… K1NYK 34
o Split That Audio! – Listen in on one of contesting’s best-kept secrets?and add precious points to your next multi-single effort …… K1NYK 38
o Nobody Died – Three courageous amateurs battle the contesting masses on six and two …… KT2B 40
o Everybody Equalize! – Get more talk power out of your rig by tailoring its audio response ……K9EID 44
o This Pileup’s For You! – Be the hottest thing on the air since the Hindenburg! …… K2SDD 46
o Narrow-Minded Filtering – This single-chip switched-cap filter goes together in a snap… and has skirts so tight that you’ll only hear the dits! …… WA3IAC 48
o 1987 World SSB Championships – Results of the 1986 160- and 75-meter tests, plus rules for 1987’s edition …… KE7C 50
o Vox contesti – The DVK-100 digital voice memory keyer …… WB8BTH 20
o Multi-mode marvel – AEA’s PK-232 PAKRATT …… KW1O 22
o Every ham’s computer – Heathkit’s HS-148 PC-compatible …… KW1O 22
1987
January 1987 (#316)
o Announcing: 73 Magazine’s DX Dynasty Award – We decided that it was about time someone started DXCC over from scratch! Here’s how you can join in the frenzy of DXing’s newest and hottest award …… Staff 27
o A Power Supply Primer: Part II – Now that you’ve rectified the wall socket’s ac, you’ve got to do something about all of those crazy ripples …… K4IPV 28
o Operators Aren’t Standing By – Solve your remote-control problems once and for all with this under-priced, over-featured DTMF decoder …… Piechocki 34
o The Glue Ribbon Solution – Here’s one you haven’t thought of: Create your own conductive epoxy to make low-resistance bonds to just about anything …… WB0NRU 38
o Microwave Building Blocks: The Solfan Special – Complete plans for building your own microwave rig -you’ll be on the air this weekend! …… WB6IGP 40
o World SSB Championships – Results of the 1986 40-meter fracas; rules for the 1987 tests …… KE7C 53
o Inside ICOM – What’s really different about the IC-751A? …… N1BLH 20
o 144-MHz Antenna Test – Three For Two Cushcraft vs. Tonna vs. Cushcraft …… KT2B 22
o Top SCORE – MJC’s Sweepstakes Contest Operating Results Enhancer software for the PC …… KW1O 24
o Beginner’s Luck – Heil’s handbook for the rank amateur …… KA1MPL 26
February 1987 (#317)
o Secrets of Silent Switching – It’s time to say farewell to chattering, sticky relays …… OA4KO/YV5 28
o PC Infernos – Ah, the sweet smell of flaming phenolic! Before you throw out that burned PC board, consider doing a little micro surgery …… WB4YOD 32
o Shoestring Software – Forty-five baud on a budget: This amazingly simple software will boot your Commodore up on RTTY in under an hour …… W9ODK 34
o The Talking Teletype – K9EI’s Basic RTTY-to-voice system turns your computer into an electronic mother-in-law …… K9EI 36
o Micro Morse – Finally, a solution to the “how the heck do I connect my computer to my rig” problem. This interface fits just about any machine …… WB8DQT 40
o You, Too, Can Be An SOB – Join this elite society of ham radio operators …… K9AZG 44
o Tap, Tap, Tap, Clunk – Yes, it’s another VIC-to-Teletype printer article! It’s still unbelievably cheap …… N1II 46
o KOKO-The Kids’ Own Kode Oscillator – Get the little ones started early in ham radio. (Hint: Tell them not to touch Daddy’s oscillator) …… K5JRN 48
o Cosmic QRN – As if you didn’t have enough to worry about, you’ve now got to think about hidden messages lurking in the static! …… W6HDM 50
o 1986 15120-Meter SSB Championship Results …… KE7C 101
o The new Top Band? – ICOM’s 1.2-GHz IC-120 …… KT2B 20
o If there only was a 40-meter version – The Mirage/KLM 1.2-44 LBX 44-element 1.2-GHz yagi …… KT2B 21
o On target – Telex/Hy-Gain’s model 218S OSCAR antenna system …… NlEJF 22
o Mellifluous Morse – The R.A. Kent brass CW key …… KW1O 24
o Hot it’s not – Sony’s AIR-8 hand-held programmable scanner …… NlBLH 26
March 1987 (#318)
o 40 Meters In A Nutshell – This clever 7-MHz transceiver slips right into your pocket (you may have to enlarge your pockets a bit) …… KG5B 26
o C-64 Slow Scan – Use your Commodore for something other than playing Space Potatoes -explore the exciting world of slow-scan television …… WB9LYH 34
o The Calibrated Drake – Avoid FCC pink slips with this simple calibrator for your Drake 2-line …… K9ARZ 40
o The Cap Checker – Clear your junk box of all those unmarked capacitors?build this simple analog capacitance meter…… VE6BGL 42
o DX Dynasty Award – If you were hibernating when the word got out in January, check out 73’s new DX award -over 390 countries and still growing …… Staff 44
o Including the kitchen sink – ICOM’s IC-275A 2m Multi-mode …… KT2B 20
o Long time coming – Microwave Modules’ MMT 220/28 220-MHz Linear Transverter …… KT2B 22
o New on two – Alinco’s ALR-206T 144-MHz FM Mobile Transceiver …… KT2B 24
April 1987 (#319)
o Dayton Digest – If you haven’t been to the Dayton Hamvention, you haven’t been to a hamfest …… WA4BPI 32
o QRP Antenna Farming – Work the world from a small lot with a few Watts …… W0VM 36
o The Cellular Phony Antenna – A two-meter mobile antenna with a twist …… WA2AJQ 38
o Weatherproofed Antennas – Stop ripping apart your antennas every year in the name of “maintenance” …… KD5UJ 40
o Tube Terror – “Before you can leave, you must find an application for every tube in the warehouse” …… Thompson 42
o The Ducky Doctor – Heat-shrink tubing is a flexible fix for your cracked rubber ducky …… W6APZ 44
o Tuner Transformation – Make the Heath SA-2500 antenna tuner truly automatic …… Ferrand 46
o Super Sommer – DJ2UT XP706 Multiband Beam …… N1EJF 20
o No vertigo – Glen Martin Engineering M185A Tower …… N1EJF 21
o Table for two? – Kenwood TS-711A, 144-MHz Multimode Transceiver …… KT2B 24
o 220 amps – Tokyo Hy-Power Labs HL-22V and HL-102V 220-MHz Power Amplifiers …… KT2B 26
o On the bench – OPTOelectronics 1300H Frequency Counter and Wenzel Associates Counter-Mate Frequency Standard …… KT2B 27
o Novice rig – Heath HW-99 Transceiver …… KA9HCC, KN2F 30
May 1987 (#320)
o Repeater Renaissance – Digital audio technology will bring your repeater into the information age …… WA6AXX 26
o Packet RATS – This Resume-After-Transmit Scanner lets your IC-27A do double packet duty …… WA3DNM 30
o The Fakeroo – Can this kid really copy RTTY by ear, or is someone pulling the old fakeroo? …… K9AZG 32
o Semi-Rapid HT Charging – Give your ICOM HT an eight-hour charging option …… K3NXU 34
o Revive A Dying Swan – Haul up your boat-anchor Swan 250 and give it new life with a home-brew vxo …… WA4UZM 38
o Six-meter marvels – Microwave Modules MMT 50/144 and MMT 50/28S 50-MHz Linear Transverters …… KT2B 18
o It’s more micro – ICOM IC-i2AT Two-Meter HT …… WB2MIC 20
o Good ‘n’cheap – Dick Smith Electronics Function Generator Kit …… KA1MDA 24
June 1987 (#321)
o A Guided Tour of 1.2 GHz – The 23-cm band is Novice Enhancement’s least-understood allocation-come on up and see what you’ve been missing …… KT2B 24
o The Digital Novice – Jim Grubbs leads you through the basics of a ham’s digital world -from Sam Morse through packet …… K9EI 28
o Tune In 220 – Convert the GE MASTR-PRO receiver to 220 MHz -it’s as easy as winding a few coils …… W3DTN 32
o Novice Enhancement Buyer’s Guide – Everything and anything that the “enhanced” Novice might want or need for the new bands and modes …… Staff 34
o 220 Toss-up – ICOM’s IC-38A and Kenwood’s TM-3530A 220-MHz Mobile Transceivers …… KT2B 18
o Homely on HF – Com-Rad’s Hi-Rizer Antenna …… N1BLH 20
July 1987 (#322)
o The National Championships – Finally, there’s a contest where the “Little Gun” has a chance, where guile wins out over gigawatts …… KE7C 30
o The Two-Meter Transverter Project – Build this VMOS transverter and use all of your Kenwood TS-940’s bells and whistles -on two meters! …… W6YUY 32
o Big Time Packet – With the help of a mainframe computer, KITE can control a packet station from his desk -or from around the world …… K1TE 44
o New Life on Two – The Yaesu FT-290R II 144-MHz Mobile/Portable Transceiver and the Tonna F9FT 9-Element 144-MHz Portable Yagi …… KT2B 18
o First in Filtering – AFtronic’s SuperSCAF …… W4THU 22
o Reverse Phone Patch? – The 5000A Phone Remote …… N1EJF 24
o Move Fast – The Stone Mountain Engineering QSYer …… Z21EI 26
o Digitize Your Dial – Torrestronics’ Universal Digital Frequency Display …… WA1WMZ/2 27
o Talk on Water – Sailing with Ham Radio …… KA1MPL 28
August 1987 (#323)
o Super Six-meter Team – The Yaesu FT-690R II Multimode Transceiver and the Tonna 50/5 5-Element Yagi …… KT2B 18
o HW-8 Replacement – Heath issues the HW-9, their third-generation QRP transceiver …… WB8VGE 22
o Future Packet – The author predicts packet radio of the future -using today’s technology! …… K2TKN 24
o Packet AI – Hook up with KE5L and speak with TRON, the computer program that simulates a live operator …… KE5L 29
o Packet Directory – Get into a packet digipeater or PBBS anywhere in the country with this directory …… K4NGC 33
o PCBs From TEC-200 Film – Making your own PCBs is a breeze with this new film! …… K3OF 43
o The External PTT – Now you can get on packet with one of the most popular hand-helds -the ICOM IC-2AT …… WB5WSV 49
September 1987 (#324)
o Radio At Green Bank – This remote site in West Virginia is home to one of the most impressive collections of radio antennas in the world …… AJ0N 16
o A Foldover Cheapie – Convert scrap water pipe to a 40-foot fold-over antenna tower! …… KF4BI 19
o Out-of-the-Ordinary QTH’s – Here are some ideas to help you gel out on your portable antenna – when you really need to …… K4IPV 22
o Non-Etched Swr Bridge – This five-dollar afternoon project will measure swr to better than 1:1 from 7 to 435 MHz …… W6IOJ 24
o 220 MHz Portable Pocket J-Pole – A low-cost quickie with more db-gain than ducks or pullouts …… KB6MIF 27
o Horseflies and Grid Squares – A true tale of truly amazing VHF/UHF DXing! …… KT2B 33
o General Purpose VHF/UHFAntenna – Build a discone for a fraction of the cost of its commercial equivalent …… WA1GPO 38
o The L’i1 Fixer – The ultimate in simplicity …… W9THN 40
o 440-MHz Repeater Antenna – Now you can build one of the most widely used antennas in the public safety and commercial spectrum …… WB2EDV 41
o The HF Half-Sloper – A directive low-angle radiating wire antenna that fits in a small city backyard …… W8DYF 43
October 1987 (#325)
o Microwave Building Blocks – The Doubly-Balanced Mixer -Enjoy superior performance over the singly-balanced mixer with this project …… WB6IGP 20
o Everyman’s Microwave Amp – Minimal modification of a microwave cavity gives a 100-watt amp on 1.2 GHz …… KT2B 24
o Linear ICs – Bewildered about ICs? Check out this primer …… K4IPV 26
o Gunn and IMPATT Devices – WB6IGP shows safe methods of testing these microwave diodes …… WB6IGP 30
o Satellite TV Receiver Components – A collection of circuits for 23cm …… KD4MDR 34
o TV Tuner Scanner Converter – Got a junk TV? Let its tuner and a scanner receive 800-900 MHz with this afternoon project …… W6WTU 40
o Troubleshooting Tips – Tricks for testing lezkagk, opens, shorts, audio distortion, and ICs …… W9NGP 45
o Dry Cell Tester – A practical and useful project for the technical greenhorn …… W6WTU 48
o Cadillac of HF Rigs – The ICOM IC-761 Transceiver …… WA4BLC 12
o Know the Fax – The Alden Weatherchart FAX Recorder …… WB8DQT 16
November 1987 (#326)
o Tesla High-Frequency Transformer – Build this spark-excited. trans former and create your own lightning …… VE7JON 12
o Signal Strength Reporting – Read this and know what you mean when you say “S-9, OM” …… W2OZH 15
o Holiday Buyer’s Guide – A cornucopia of shopping tips …… Staff 20
o Cubic Inch Keyer – Iambic keying on the HW-8 …… WB2EMS 32
o Repeater Controller PC Board – Repeater on the fritz? Build this inexpensive repeater board and get right back on the air …… KA3AAQ 34
o VIC-20 Beam Rotor Interface – And yet another interface project for your VIC-20! …… N1II 44
o The Greenie – An account of a brief and tempestuous contest …… K1YSD 55
o Great Little Dipper -Electronic Equipment Bank’s DM-4061 Dip Meter …… WA4BLC 10
o Novices Take Note -The Ranger AR-3300 10-Meter Mobile Rig …… N1BLH 28
December 1987 (#327)
o Welcome, Newcomers! – A “read-this-first” for budding hams …… KA1HY 5
o History of the ICOM 2AT – The world ‘s most popular handheld …… KT2B 18
o ICOM BP-4 Charging Adapter – Our technical editor beats the system …… WB9RRT 20
o Yaesu FT-209 Modifications – Expanding your HT’s horizon …… KD2WA 26
o Buyer’s Guide to Handhelds – A little help from your friends at 73 …… NA5E 28
o History of Hand-Held Communications – Their place in western civilization …… 2MFM 30
o Mobile Extender Using VOX Control – Wire up your transceiver to jump over mountains …… K6YDW 44
o Make VIC Talk – This little chip offers big benefits …… WA4DSO 50
o Battery Charger – A handy NiCd power project …… N0FNF 52
o Remote Base Control – Work DX from your HT …… K9EID 106
o EXTRA! EXTRA! – Icom Frequency Privilege Chart …… Staff 103
o DX Prefix list …… Staff 104
o The Kenwood 215-A Handheld – High-class hand-held hamming …… N1BLH 13
o The Kenwood 205A – Affordable personal communications …… NA5E 14
o The Alinco ALX-2T Mini-Handheld – A big contender in the featherweight class …… KA1HY 16
o ICOM’s 12AT – Breaking new ground on 23 cm …… KT2B 22
o The First Dual-Band HT – A look at the Yaesu FT-727R panel by panel …… KA1HY 24
o Power Play Comparison – RF Concepts’ RFC 2-23 and the Tokyo Hi-Power HL-37V, 30-Watt 144-MHz Power Amplifiers …… KT2B 34
o The Banker – A memorable accessory for the Kenwood TS-940S/AT …… NA1A 42
1988
January 1988 (#328)
o Welcome, Newcomers! – Let’s talk about it! …… KA1HY 4
o Working the World Fast – Heed this advice and you can’t miss …… N6HYK 11
o W87PAX: DXing from the Pan American Games – A record-breaking success …… KA9OIH 14
o Troubleshooting Tricks #1 – The road to repair is easier than you think …… Harshbarger 26
o The Colvins – DXing is the life for Lloyd and Iris …… N6HYK 28
o DX with QSL Cards – Tips to improve returns …… N8FU 31
o A Case for DX Nets – Skill and discipline make hams valuable …… NO8M 32
o Digital Accuracy for Yaesu FRG-7 – Making a hard-to-beat receiver even better …… WA9RDE 35
o DX Nets to Check Out – DX gatherings around the clock …… Staff 39
o 73 Dynasty Award Announcement …… Staff 41
o DX Country List – 400 -Ours is bigger and better …… Staff 42
o The Winners – 75’s top 100 …… Staff 43
o DX Newsletters – Essential reading for serious country hunters …… W6CF 46
o A Session on the Commodore 64/128 – Accurate predictions of DX band openings …… KD5EA 48
o Skis across the Pole – An impending historic Canadian/Russian trek …… NA5E 72
o Traveling Abroad? – Here’s how to DX as you go …… Phenix 78
o Novice 10-meter DX – C’mon and join the fun! …… VP2ML 102
o IC-475A – Reaching for the top -70cm in style …… KT2B 21
o Heil Boomset BM-10 – A great bit of magic from Sound Wizard Heil …… N8EFG 25
February 1988 (#329)
o Welcome, Newcomers! – Low power isn’t always a disadvantage …… KA1HY 4
o Hamming Around – High tech trekking …… KA8OVA 11
o 1750 Experimenters Band – Fun VLF transverter …… WD4PLI 20
o The Winners (Who says there’s no action at 23 cm?) …… 27
o 20 meter Mini Receiver – Super small superhet …… K1BQT 28
o Intro to 1750 meters – The lowdown on license-free fun …… W2IMB 31
o Drifting Along the Telegraph Trail – Landline brass pounding -looking back …… W6CK 34
o License-free Transmitter – Share the broadcast band with the big boys …… W4THU 44
o Helping HW-9 – Making a good rig even better …… W0WUZ 50
o AEA 10-meter Handheld – CQ DX with an HT …… WB8VGE 15
o TR-751A Kenwood – This 2-meter multimode has smarts …… N1BLH 18
o Commodore 64 Power Supply – Use your C64 in the field …… NA5E 19
o Tone Gen Software – The C64 becomes a workbench asset …… NA5E 32
o International Radio’s Filter Test – Two ways to improve reception …… W4THU 46
o Two Circuits Texts …… WB9RRT 42
o LF/MF Scrapbook …… WB9RRT 47
March 1988 (#330)
o Welcome, Newcomers! – Why just VHF antennas …… KA1HY 4
o Winnebiko – A close look at Winnebiko’s 2 meter lifeline …… N4RVE 12
o 10 meter Beam – With a little money you can gain a lot …… N0BLX 14
o Heath SB-200/220 Mod – More mileage out of a workhorse amp …… VE5XZ 20
o Ten Meter Meteor Scatter – DXing with a difference …… WB5KYK 22
o Mobile Antenna – Two meters on a broadcast band antenna! …… W4JC 28
o Antennas in the Spring – Spring cleaning above the roof line …… WA4BLC 34
o 4 Element Yagis – Beams in the balance -both are for you …… KT2B 35
o Telegraph Trail, Part 2 – A telegraphic trip through time …… W6CK 50
o Down East Microwave – Two loop yagis for the hard-to-please …… KT2B 11
o Create an X-209 Yagi – This 9-element rates a 10 …… KT2B 16
o Larsen HT Antennas – HT antennas for every occasion …… W7XU 26
o Book Reviews – Something for everyone …… WB9RRT 27
o Comrade Untenna and Power Booster – This package packs a punch …… KA1HY 31
o Book Review – Transmitter hunting …… KA9KAF 37
o Datong Direction Finder – High-tech transmitter tracking …… WA4BLC 38
o MAXCOM – The name says it all …… W7XU 42
April 1988 (#331)
o Welcome, Newcomers! – Hams were meant to serve in the public interest …… KA1HY 4
o Ham Radio at Its Best – The IARN: A shining example of service …… KA1PZV 11
o San Salvador Earthquake – Volunteers, please step forward! …… W9ELR 12
o The BEARS Project – An innovative middle school radio program …… KZ1Z 14
o Universal Power Supply Module – Your power problems arc solved with this project …… K1BQT 20
o Emergency Packet – Definitive portable packet for troubled times …… WA1FHB 25
o Bicycle-Mobile Packeteering – The Winnebiko and AX.25 were meant for each other …… N4RVE 41
o Drifting Along the Telegraph Trail – Part 3: It’s nice to be wanted …… W6CK 50
o 4 + 1 Decoder – Build this double-duty DTMF decoder …… WA3LTJ 55
o TR-110 Transceiver – The tops on ten from Amp Supply …… K1BQT 25
o Kenwood TS-140 – The little big rig …… WA4BLC 30
o ICOM IC-900 Multi-band FM Transceiver System – Fantastic FM from the future …… KT2B 34
o AEA FAX Software – Innovative PC facsimile program for the PK-232 …… WB0QCD 38
o Stop, Look, and Listen! – Armchair travel made easy with Passport to World Band Radio …… NA5E 37
May 1988 (#332)
o Why Do Satellites? – More reasons than you can argue against …… N5BF 11
o UoSATS – Space science from Surrey …… N5AHD 20
o OSCAR History – Project OSCAR is nearly 30 years old …… K6LFH 27
o Hamsat Awards – Set your sights high …… WB5RMA 30
o Hard-Line Connector – A little work saves a Lot of money …… W5PFG 32
o Uncle Wayne’s Ham Shack Winners – The happiest hams of the month …… 34
o Winnebiko Power Supply – New technology in a practical package …… N4RVE 38
o 1987 World SSB Championship Contest Results – Better late than never …… Staff 41
o FAX Program for PK-232 – PC graphics for fine facsimile …… WB0GAI 49
o Dayton Schedule – Flash! The latest guide to Dayton happenings …… Staff 55
o Armed Forces Day 1988 – Make the most of military contacts in May …… Delperdang 47
o Ten Tec Paragon – Born in the USA …… NX2C 14
o ICOM IC-R7000 – Sophisticated scanning like never before …… K3RVN/G0EZZ 44
o Definitive DXing and Practical Antennas – Two timely topics from the League …… W7XU
June 1988 (#333)
o Flip-Flop/Latch Circuit – Welcome to digital electronics …… W4RNL 11
o New York City School Program – Carole Perry’s kids learning with radio …… WB2MGP 14
o Digital X-Y Oscilloscope – Handy tuning scope project …… WA9TYU 20
o Care and Feeding of PBBS – Etiquette and protocol for packeteers …… WA1FHB 22
o UoSATs Part II – Fascination and fun with these British birds …… N5AHD 29
o Buyer Beware – Sensible advice for buying second-hand gear …… WD8RCL 32
o A Pulsed Bi-Phase Communications System – 19.2kB in less than a kilohertz! …… WA1FHB 34
o Telegraph Trail Part IV – Our final chapter …… W6CK 38
o Briefly Speaking: RS-232 – The straight story on what it means …… W5PFG 40
o Bicycle Mobile R&D Lab – Small is beautiful …… N4RVE 42
o Digital Voice Compression – Let’s talk about it …… WA3YQY 51
o Voltage Sampling with a Computer – Practical A /D conversions …… Magee 54
o Ramsey D-5100 Digital Auto-ranging Multimeter – A top flight tool for the bench …… WB9RRT 18
o ICOM IC-375A 220 MHz Multimode Transceiver – A rig worth waiting for …… KT2B 26
July 1988 (#334)
o Code Test Sure Shot – Pass 5wpm without learning code! …… KA0NTK(SK) 10
o Sequential Two-Tone Encoder – Easy encoder project …… WB7CPT 14
o Novice Band Nets – Check in and upgrade, too …… W6DDB 18
o How To Improve Code Speed – Learn from others’ hard work …… W9NGP 21
o Direction Finding Loop – T-hunt antenna in a can …… WA4UZM 22
o Morse Code Motivation – Pointers for teachers from a teacher …… KZ1Z 24
o Hornblower Two – Unlimited control flexibility …… W5PFG 26
o You Will Upgrade! – A system for written and code exams …… K0HBQ 34
o Pulsed Bi-Phased (Part 2) – High-speed data system cuts bandwidth …… K6HH 40
o How Not To Run A Novice Class – On a humorous note …… KC0ES 44
o Flip-Flop Latch Circuits (Part 2) – Final pan of a practical tutorial …… W4RNL 48
o Problems In Learning The Code – Yet another way to get unstuck …… K9KZT 54
o Security Alert! – Protecting the Winnebiko with technology …… N4RVE 58
o Care & Feeding of the PBBS (Part 2) – Some final points for packeteers …… WA2FHB 60
o Yaesu FT-747GX – Affordable fun from Yaesu …… WA4BLC 12
o GGTE Morse Tutor – Uncomparable computer-based code course …… KA1HY 20
o Datong’s Great Add-On Filters – High-tech interference solutions …… WA4BLC 30
o Gordon West Novice Course – Our Associate Publisher is a believer …… Norwood 37
o AR-460D LCR Meter – A timely troubleshooting tool …… WB9RRT 39
August 1988 (#335)
o What a Mess! – 73’s Home-Grown DXpedition …… W2NSD 10
o Auto VIM: Part One – A power supply with some smarts …… W4RNL 12
o Handheld Transformation – Kenwood HT updates you can do yourself …… N6LRT 19
o The Quest for Ultra Portability – How do you get all that stuff to fit on a bike? …… N4RVE 20
o Digicom 64 – Software packet system for the C-64 …… W2UP 22
o Smart “S” Meter – A little help goes a long way in T hunts …… N6JSX 24
o Introduction to IBM PC Clones – To PC or not to PC? …… N8GNJ 28
o Amateur Radio in National Emergencies – When the going gets tough …… W9JD 32
o Modernizing the SB-200 – A workhorse amplifier just got better …… WA4BLC 42
o The Hidden Secrets of the PRO-2004 – Tapping into even more scanning power …… KB6LCN 51
o Oscilloscope Preamplifiers – Handy workbench item for weak signals …… Pugh 47
o CAT to RS-232 Interface – Yaesu meets ‘232 …… N9CLX 54
o Solder Iron Auto Shut-Off – Safety first! …… KA0QHV 57
o 10 and 75 Meter Contest Results – Dusty, but not forgotten …… Staff 74
o Heathkit SB-1000 – Hot HF amp from Heath …… K3RVN 15
o QSYer – Fingertip frequency control …… WA4BLC 34
o Pac-Comm Micro Power TNC – In a word, wonderful …… WB2MIC 40
o PRO-2004 – Top notch scanner from Radio Shack …… NA5E 50
o Going Microwave with the ARR TR-10GA 10 GHz Transceiver – Fun Gunns …… WB6NOA 70
September 1988 (#336)
o Antenna Systems – Sometimes “good” is bad and “bad” is good …… W3ZC 10
o Aluminum Cloud – A top performer for cliff dwellers …… NF0R 14
o Balloon Supported Antennas – How to really get out on 80 and 160 meters …… W1GV 18
o MARS and Amateur Radio – The military affiliated radio system …… W1ZM, NNN0WAJ 23
o Auto VIM: Part Two – Smart power supply for every bench …… W4RNL 27
o Pee Wee Thirty Transceiver – A compact 30 meter CW/AM QRP transceiver (Part 1) …… AC9E 30
o Patents are Unique – Protecting your brainchild …… W5PFG 39
o Choosing a QSL Card – Which style and design reflects you best? …… WA6OHX 44
o The “Crew at 22” – Set to fight AIDS on the air …… WB2JKJ 48
o Butternut Butterfly – An antenna for small quarters that takes a little more work-but well worth it! …… WA4BLC 16
o HF Mobileering – W6AAQ helps you avoid the common pitfalls of mobile HF operation …… NA5E 22
o Nye Viking RFM-003 RF Power Monitor – One of the more versatile RF monitoring devices on the market …… NS1B 36
o Beauty and the Best – Something old, something new from Vibroplex …… NA5E 40
o Ramsey CT-90 – A portable frequency counter …… WB9RRT 42
o The MFJ Gray Line DX Advantage – The computer terminator …… KA9KAF 49
October 1988 (#337)
o Packets Full of Pixels – Digital video is now available to the mortal ham …… WD8AQX 10
o A Trip Through The Microwave Spectrum – The scoop on what goes on between 1-10 GHz …… KT2B 14
o 10 GHz Polaplexer – Unique way to go full-duplex on 3 cm …… WB6IGP 20
o VHF/UHF Tape Antenna – Fast n’ cheap way to get active on 2 meters and above …… WB3KCZ 24
o Portable Re-entrant Cavity Antenna – This “can-do’ whip gives better HT antenna performance …… W7ACI 29
o Pee Wee Thirty Transceiver -Part 2 – The wind-up on getting on this rag-chewers’ band …… AC9E 33
o Passions of the Ether – See yourself in one of these amateur archetypes? …… N4RVE 35
o Antenna Systems -Part 2 – Antenna system demystification …… W3ZC 38
o Microwave Test Equipment for 10 GHz – How to use the versatile detector mount …… WB6IGP 40
o Inexpensive Display for WEFAX – Use your PC to check out the weather …… N1VC 77
o Alinco 24T 144/440 MHz FM Transceiver – Don’t just take this reviewer’s word for it -check out this little gem! …… WA6OHX 13
o SSB Electronics LT-33S – Use this, or …… KT2B 27
o W2DRZ 902 MHz Linear Transverter Module and Sequencer – This, to get on this underused band with a 2-meter rig …… KT2B 30
o Down East Microwave Model 2345LY – Unusual antenna with great gain on 1.2 GHz …… KT2B 44
o Motron AK-10 – This unit ends unnecessary squelch breaks …… KA1JJM 58
November 1988 (#338)
o Homing In – Find out about the fun of RDF …… K0OV 18
o All About Henry – Wide range inductance checker …… WB4DCV 22
o Lap Top Repeater Controller – Why build more hardware than you have to? …… KF5WO 27
o Kenwood 4100A Crossband Repeater – Convert your mobile rig to a two-band repeater …… W3RW 39
o Ultimate Repeater IDer – Store a library of IDs to choose from …… K7PF 45
o Computerized Tuning – Tune your rig from a micro keyboard …… KF6DF 49
o Life of a Megacycle – The joy of bicycle mobile HF …… N4RVE 55
o Maggiore Hi Pro Basic Repeater – Check this out before spending a bundle on a machine …… K1ZJH 10
o Hazer Antenna – Goes where you don’t want to …… W5PFG 11
o Kenwood TM-221A – Honorable descendant of the TR-7400 …… KT2B 13
o CES 510SA-II Enhanced Telephone Interconnect – A solid full-featured controller …… WA4TEM 14
o RF Concepts Model 3-312 220 MHz Power Amplifier – The pick of the bricks …… KT2B 24
o LF Engineering L-101S Receiving System – Quick way to listen in on VLF …… WB9RRT 51
o Nye-Viking MB-V-A 3000 Watt Antenna Matcher – Who says they don’t make’em like they used to? …… KA1XO 62
o Orion HT Antenna – Get the most peribrmanee out of your hand-held …… W7XU 63
o Wishbook of Circuits – A potpourri of circuits …… WB9RRT 37
December 1988 (#339)
o Civil Air Patrol – Most radio fun you can have without a license …… KA9KAF 12
o RS-232 Port For The Commodore C-64 – Give the ham’s favorile computer this most standard interface …… Neal 14
o Don’t Lose Your Memory – Don’t let a dead lithium battery ruin your listening pleasure …… K9EUI 20
o Packet Tuning Indicator – More easily enjoy world-wide packet operation …… W2EKY 24
o Midland 13-509 Modifications – Two nice low-cost additions to a popular rig …… WB9YBM 27
o Decatur Ham Launches Satellite – A satellite to go up in the name of education …… WB8UUE 29
o Charging Without Overcharging – No more backup battery burn-up …… WB8VQR 34
o Buyers’ Guide – 73’s picks of 1988’scrop …… Staff 57
o Yearly Index – Easy reference for 1988 articles, reviews, and columns …… Reneau 89
o The TE-144 Deluxe CMOS Keyer – Solid keyer at the right price …… WA6OHX 11
o Bel-Tek’s CMOS keyer kit – The best dit and dah for the buck …… WA9FPU 19
o The Carolina Windom – An old design made even better …… WA4BLC 49
o The ICOM 32AT dual-band HT – Full Duplex in a Handheld …… WB2MIC 68
o B&W PT-2500A HF Amp – QRO? QRO! …… NA5E 78
1989
January 1989 (#340)
o Hacker’s Shack – Where hardware fantasy and reality meet …… N4RVE 44
o Trouble-shooting Guide For Switching Power Supplies – Chart to help minimize trouble-shooting time …… W9NGP 50
o More Microwave Test Equipment For 10 GHz – Several more uses for the versatile detector mount …… WB6IGP 12
o Super Simple Attenuator – Very cheap -and variable! …… K3OF 14
o The 220 MHz All-Mode Transverter – Hard-core home-brewer’s delight …… W6YUY 18
o Cheap and Dirty Oscillator – Fast audio frequency source …… VE1VQ 29
o Inexpensive Marker Generator – Tightwad’s way to stay in calibration …… WB6DFQ 35
o Which End Is Up? – Now it’s a snap to find the coax short …… W7RXV 38
o C-64 Voltage Protector – Protect Commodore’s chips from line over-voltage …… W0YJO 40
o New Uses For Old Meters – Tool any meter to read a variety of values …… KC3YB 58
o Simple LED Checker – Great starter homebrew project! …… Thompson 61
o AutoSketch and Amateur Radio – Economy CAD for home and shack …… VE6BGL 30
o Bird Model 4381 RF Wattmeter – Nice complement to the venerable 43 …… WB9RRT 32
o VisiTel On-The-Air – Unique SSTV …… W8ASF 36
o Hamcall – Dial-up callsign directory …… NS1B 46
o Coaxial Dynamics Model 81000-A Directional RF Wattmeter – New kid on the block …… KT2B 80
o 1934 Official Short Wave Radio Manual – A don’t-miss for nostalgia buffs …… NR1A 54
February 1989 (#341)
o Getting High On Packet – World-wide packet? Here’s how on HF …… WB6RQN 50
o One-Stage 80-Meter CW Transceiver – Enjoy the thrill of rolllng your own rig …… WB3ELL 28
o TCM 3105 Modem For The Digicom > 64 – Plug in to 1200 baud packet …… N4PLK, KJ4GP, W4KUM, WD4PVS 42
o Simple CW IDer – Useful for repeater ID and unattended fox …… WN0EHE 54
o Kenwood TS-940S – First-class full-featured HF rig …… WB6RQN 12
o lCOM IC-781 – Scope out this DX dream machine …… WA4BLC 18
o Just The FAX – Info-Tech’s M-800 FAX converter …… WB2QLL
o Shakespeare Big Stick – Too bad poor Yorick never knew the joy of 10-meter DX …… WA4BLC
o Ham-10 Antenna – 10-meter mobile fun …… N1BLH 33
o Magnus Mobile Amplifier – Mobile QRO …… WB6NOA 34
o Pro-67 HF – Solid multi-band HF beam …… W4WDR 38
o lCOM IC-2GAT – IC-2AT’s worthy replacement …… WA4BLC 46
o Shirt pocket ICF-SW1 – World in your pocket for $300 …… KA5S
o Star Circuits 6-Meter Filter – Dole’em out to your neighbors! …… W8CM 57
March 1989 (#342)
o Mnemonic Morse – Use one digital system to learn another …… W8LHL 52
o Grid Square Location Aid – Invaluable antenna aiming program for microwavers …… WB6IGP 55
o Control Head for the TS-440S – Go HF mobile -with the 440S in the trunk! …… WB0UVN 18
o Switching for Older RF Amps – Safely key any linear amp with a newer HF rig …… WA4BLC 19
o Link Controller for the S-COM 5K – Turn this popular controller into a repeater networker …… KF7FW 24
o Breadboard a VCXO – CB-to-10 mods are back! …… N8BSG 43
o Feed-Point Protection – Keep your bumper-mount feed-point free of dirt and weather …… K3OF 47
o ISOTRON 80 – Indoor antenna for 80m …… VE1GA 20
o KB6MT’s Video Technician Course – Join the fastest-growing license-class group …… Reneau 31
o The MFJ-931RF Tamer-Ground – Apartment-dweller’s way to better stray RF control …… N1BLH 34
o Maggiore HPC-201 Repeater Controller – Full-featured and priced right …… K1ZJH 37
o The Heath HK-21 TNC – Good things now come in smaller and smaller packages …… N7KHU 38
o Yaesu FT-790RII All-Mode Transceiver – This rig offers versatile 70cm operation …… KT2B 49
April 1989 (#343)
o Hamfest Survival Guide – Tips on how to more wisely shop for hamfest gear …… WB9IVR, AA4QA 20
o Stay With the State Of The Art – Keep in the know without blowing your budget …… W1UO 52
o Powerful Crystal Set – Better reception on a classic no-power rig …… Haas 12
o Quick and Easy 2m/440 MHz Antenna – Ideal for your dual-band HT -and costs pennies to build! …… W3RW, W3LOY 18
o How to Feed an Apple to an IBM Monitor – $10 interface for your Apple 11+ and an IBM monitor …… WB4DCV 22
o WA6TEY 144/220 MHz RDF Quad Antenna – Easy-to-build directional VHF antenna for RDFers …… N6JSX 26
o Slingshot for Two – Big 2-meter signal for under $5 …… KA80GD 32
o FM Split for the Uniden HR2510 – Push-button repeater operation for this hot 10m rig …… WB9WDH, WA9QDZ 34
o Revamp Bird Elements – Shore up those old wattmeter elements …… HL9BK/K2KSY 48
o Procomm’s Wideband Supercone – Continuous coverage from 100 MHz to 1.2 GHz …… W1XU, W7KTK 14
o Kenwood TM-621A – 2m/220 MHz FM dual-band mobile transceiver …… KA1LR 24
o Aries-1 – Choice logging program for RTTYers …… KE0KB 28
o The Delta Loop DL-102 – Get on 10m with this unique full-wave beam …… W1FYR 38
o Austin Suburban Tri-bander – High performance from 144 to 440 MHz …… W1XU 41
o The Universal M-7000 – A digital decoder’s delight …… WB2QLL 44
o MFJ-1278 Multi-Mode Controller – Inexpensive quality data controller …… N1BLH 64
o Kenwood TH-25AT – Pico-sized, mega-featured …… KB1UM 70
May 1989 (#344)
o Decoding OSCAR Telemetry, Part 1 – Decode any OSCAR beacon …… G3RUH 20
o AMSAT Satellite Tracking Software – Choose from a host of great tracking programs …… W5IU 38
o Experimental OSCARS – The story of the UoSAT program …… G0/K8KA 62
o Space Education Network – Bringing AO-13 into the classroom …… K9PVW and Barr 74
o Radio Links to Phase III-D – Making worldwide hamsat communication even more accessible …… DJ4ZC 77
o The AMSAT-NA Microsats – The new breed of miniature hamsats …… N5BF 83
o Inexpensive Mode-L Dish Antenna – Low-cost high-gain antenna …… WB5ZDP 18
o Build A Simple Az-El For Mode L – Have two Az rotors? Make an Az-El rotor! …… WA3ETD 24
o Home-Brew 435 MHz Crossed Yagi – Budget beam for 70cm …… WB5ZDP and KG5OA 29
o AANother Turnstile Antenna – Enhance the downlink without enhancing terrestrial QRM …… ZL1AAN 32
o Mode S Receive Techniques – 13cm/23cm OSCAR work isn’t as hard as you think …… WA3ETD 36
o Mode L, My Way – Save on expensive hard-line and microwave PAS …… WA8WBP 50
o Polarizing/Matching Selector – Get in phase with any hamsat, any time …… ZS6BTD 54
o 1269 MHz Helix System – Take aim with this doubled-barreled array …… WA8WBP 71
o Silicon Ephemeris Tracker – The last word in satellite trackers …… WA5NOM 12
o TS-790A – Kenwood’s new tri-band OSCAR rig …… W3LOY 34
o Automatic Antenna Tracking with SAT TRAK III – For simplicity in sat tracking …… N5LCO 44
o Ampire 146-OS Preamp – Say good-by to preamp intermod problems …… WB3JZO 67
June 1989 (#345)
o Spread-Spectrum – Hams, too, can use this mode! …… N4ICK 12
o The Net/ROM-NordLink Question – Bootlegged software? …… WB2KQI 34
o Decoding OSCAR Telemetry, Part II – Learn about the state of F-O-12 and OSCARs-to-be …… G3RUH 58
o QRP CW Transceiver – Enjoy 30 or 40m QRP operation with this easy-to-build rig …… NZ5G and N5HNN 20
o The G3IGU Transceiver – Designed for 80m QRP fun …… G3IGU 26
o The 220 MHz DMOS Linear Amplifier Project – Give a boost to the January ’89 73 transverter project …… W6YUY 38
o QRP SWR Bridge – Antenna system matched to the rig? Find out with the bridge …… G4FAI 44
o Six Meter QRP Station – Build this golden oldie to get on this now-active band …… ex-YU1FR 50
o CW Transceiver for 20 Meters – Take the challenge of 20m QRP …… G3YCC 65
o Yaesu FT-411 – Ever smaller and fuller-featured …… KB1UM 14
o Ranger AR-3500 – 100W 10m rig for $350? Read about it here! …… N1BLH 30
o Portasol Butane Soldering Pencil – Unique approach to cordless soldering …… WB9RRT 36
o MFJ Differential-T Antenna Tuner – A simpler, surer tuner …… WA4BLC 42
o Antennas West Solar Power Supply – Durable, portable solar panel …… WB8VGE 54
o Wilson 1000 Mobile Antenna – For 10m mobile QRO …… N1BLH 82
July 1989 (#346)
o 10 Meter Survival Guide – The lowdown on this versatile HF band …… N8DNX 12
o “Black Bag” Portable – QRP OSCAR station on the go …… N6DGK 26
o Harmonic History – Ham children lead unique lives …… O’Connell 28
o Inexpensive Hardline – Build this Z match and save a bundle …… KA9LNV 16
o Four In/Five Out – Independently adjustable mixed audio outputs …… KA0LDB 37
o Good Mobile Audio-For Pennies – Easy way to feed rig audio to your car speaker system …… N1II 43
o Low-Band Wonder – An easy “all-around” antenna project …… WA4BLC 46
o Upgrade Your CDR Antenna Controller – Add a high-grade remote antenna selector …… WA6LOD 50
o Microwave Oven Transmitter! – Low-cost high-power microwave operation has arrived! …… KA9BYI 54
o The AEA FSTV-430 – Latest 70cm ATV transceiver …… N0IVN, NQ9I, and WB8ELK 20
o Amiga AVT System – Quantum leap in SSTV and FAX technology …… K3HKR 29
o GMS-403 NiCd Charger – Erases charge level “memory” and charges almost any NiCd …… KA9KAF 34
o PC Electronics’ TX-33 – ATV on the little-used 902-928 MHz band …… WB8ELK 44
o Azimuth 100 Fluxgate Compass – Microwave hilltoppers take note! …… WB6NOA 66
August 1989 (#347)
o Find Your Signal the First Time! – How to quickly deal with Doppler shift on the hamsats …… AA6CQ/VE6 44
o JEZ-Jugendelektroniczentrum – First-class ham education program …… HB9DU 46
o CTCSS, Fast and Cheap – Simple PL tone board project …… N6UE 13
o COCOA-A COllinear Coaxial Array – Deluxe 80m wire antenna …… W2OZH 34
o Control Your Rig from a PC – This project lets your rig and home computer talk to each other …… N7IPY 34
o Full-Wave VHF Vertical Antenna – Easy-to-build, good gain antenna …… AF8B 42
o Need FM? – Add this mode to your rig at little cost …… KB2BQK 48
o 10 GHz RF Preamp – Get started on putting together your 3cm system! …… WB6IGP 49
o IF Shift, Cheap – Quick ‘n’ easy QRM-buster for your older rig …… W0WUZ 53
o Kantronics HAM – Multi-mode controller with packet gateway function, PBBS, and much more! …… WB6RQN 18
o Ameritron AL-80A Linear Amp – This reliable 1kW amp won’t drive you to the poorhouse …… W1FYR 28
o Ramsey COM-3 – Quality service monitor at less than one-third the cost of ~ tpse ers …… WB9RRT 32
o Ramsey SR-1 Receiver Kit – SW listening and home-brewing fun for only $25 …… WA9PYH 38
o Uno, Dos, Cuatro – Introduction to the “numbers” stations …… W3LOY 31
September 1989 (#348)
o Vertical Antennas at HF: Part I – The inside story on vertical antennas …… W1GV 38
o Build a 30 Meter Trap – Modify your Cushcraft AV-4 or AV-5 for this WARC band …… KE0UV 11
o Unique 12 and 17 Meter Dual-Band Beam – Build this for an 8 dBd signal! …… W6YUY 20
o Kaboom Micro Keyer – For safe mobile CW operation …… KB1UM 28
o 3/4 Inverted “U” for 160m – Big signal on the Top Band …… WA3EKL 32
o The Hamfester – “Crowdbuster” for your HT …… NM9P 34
o Safari Special – Cheap ‘n’ easy, set-up-anywhere vertical dipole …… N4UQT 44
o Beefing Up the Uniden and the HTX-100 – More than double your Uniden’s output power …… KC4HGH 48
o AEA AT-300 – Top-notch T-network HF antenna tuner …… KA1LR 18
o Kenwood TS-680S HF Transceiver – Improvements on the trusty TS-140s …… N1BLH 30
o Uniden Bearcat BC100XLT Hand-Held Scanner – The first HT scanner? …… KA1MDA 52
o Two Must-Adds for Your Library – Power supplies and microprocessors …… WB9RRT 50
October 1989 (#349)
o Setting Up a Packet Radio Station – Read this for the info the how-to books left out! …… WB6RQN 14
o Digital Dreams – The future of packet radio has arrived …… N3EUA 28
o TNC PPM without the PC – Give your older TNC personal mailbox capability with just a few keystrokes …… WB6WKB 30
o Packet Radio in Japan – Bits of info on packet in the land of the Rising Sun …… WA1LBP 38
o Packet Radio and Hi-Tech Nomadics – How packet radio fits in with the world’s highest-tech bicycle …… N4RVE 48
o TexNet Packet-Switching Network – Check out this highly effective low-overhead packet network …… WD5IVD 54
o Amateur Packet Networking – Going beyond keyboard-to-keyboard QSOs …… WB6RQN 60
o DX Dynasty Awards – The Dynasty grows …… WB2DIN and 73 Staff 65
o TCP/IP for the Macintosh – Merging this powerful networking system with a user-friendly micro! …… WA8DZP 68
o Vertical Antennas at HF -Part II – More surprising facts about HF verticals …… W1GV 70
o Packet Racket Lip Zipper – Automatic rig speaker silencer for packet operation …… KB1UM 13
o My SX-64 Runs Digicom! – Run this popular low-cost packet interface on C-64’s portable brother …… KA9ELV 24
o Put Your IC-22S on Packet – Dust it off and dedicate it to 2m packet! …… KE4PC 31
o KAM Box – Switch mode and band in an instant …… N4AQG 32
o One-Chip RS-232 for the C-64 – Quick ‘n easy level converter …… KB0CDQ 34
o Standardizing the Radio/TNC Interface – Get up and running quickly with any rig/TNC combo …… WB6RQN 40
o Improve Your TNCs DCD Circuit – For a faster and smarter DCD …… N7CL 50
o HF Packet Tuning Aid – Hear your way to dead-on tuning …… W6IOJ 80
o The Quickchanger – This makes mixed-mode/band operation a breeze …… KA3MRX 84
o DRSI PC Packet Adaptor – Packet interface on a PC expansion card …… WB6RQN 20
o GRAPES 56 Kbps Modem – Transfer large program files in a flash on packet! …… KA9Q 42
o DX Helper – DX software for the Macintosh …… WB8EHS 59
o Flodraw – Simple schematic drawing on your PC …… WB9CWE 99
November 1989 (#350)
o Sing for the unsung Heroes – Let’s recognize our clubs selfless volunteers! …… K5CVD 36
o 1989 Holiday Wish List – Some of the best values for holiday gifts …… 73 Staff 60
o FLAVORIG! – Have a Radio Shack Flavoradio? Turn it into a 80-meter CW transceiver! …… KBlUM 12
o The Bitchaser – Build this versatile piece of test equipment for digital circuitry …… K4OND 18
o Bargain Audio Frequency Meter – $10 and an easy evening of home-brew gets you this very useful test bench item …… KB5CTH 28
o Easy Tuning for the Uniden HR2510 – Tune this popular 10m rig while keeping your hands on the steering wheel …… K3JML 38
o Three-In-One Antenna Tuner – Matches virtually any random wire …… KB4ZGC 44
o Instant Track – Full-featured satellite tracker at a near-shareware price …… N4RVE 16
o Yaesu FRG-9600 VHF/UHF Receiver – This VHF-microwave scanner offers some fascinating listening …… WlXU 24
o PacComm’s NB-96 High Speed Modem – Yes, 9600 baud packet on 2m is possible-and even affordable! …… W2VY and K6KGS 30
o Elenco AC Adapter – Check AC quickly, easily, and safely …… WB9RRT 46
o Computing Across America – Thousands of miles around the US on a high-tech bicycle? A review of Steve N4RVE’s enthralling account …… KA9KAG 90
December 1989 (#351)
o VOX for HTs – No-hands hand-held hamming …… KA8HML 9
o Two Meter Mobile Rig – Sick of anemic HT mobile operation? Pep up your handie with this booster …… N8KDD 22
o Poor Boy Satellite Station – Coat hanger + SO-239 connector = Mode A uplink antenna! …… N5LKJ 24
o Color SSTV for the Atari ST, Part I -Fast and easy way to get on this fascinating mode …… WB2OSZ 38
o Yaesu FT-470 2m/70cm HT – Two meters and 70cm in a micro-sized hand-held …… KB1UM 18
o Breadblox Breadboarding System – The ultimate in flexible circuit experimentation …… WB9RRT 25
o The ICOM IC-2SAT – ICOM’s stylish adciition to their pico-sized 2m HT line …… KBlUM 29
o Ramsey QRP-40 Transmitter – $30 and a few hour’s building time gets you out on this popular DX band …… WB0E 32
o Mirage D15 70cm Amp – Get more bang for the buck with this brick …… KT2B
o Communications Satellites-A Monitor’s Guide – For those who wanted to know all about these birds, but didn’t know where to ask …… WA5ZIB 26

🔥0

AX05

leave a comment

Create Account



Log In Your Account



Skip to toolbar