73 Magazine Radio Editions 1970 – 1980

73 Magazine Radio Editions 1970 – 1980 January 1970 (#112) o Single Sideband AM-FM Modulation System – Using easily available filters …… W2BSP 4 o The Transceiver Companion – Does everything but change the baby …… W6AJZ 10 o A Simple Bench Power Supply – For those readers with simple benches …… ZL2AMJ 22 o… Read more »

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73 Magazine Radio Editions 1960 – 1970 October 1960 (#1) o Audio Booster – A three transistor amplifier that hooks across the mike to give you more talk power for SSB or AM without distortion …… K5JKX/6 o Something New in FM – Using the new varicap as a FM modulator …… W7CSD 10 o… Read more »

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