CB RADIO Citizens Band legal channels, Freeband CB Communications for CB Radio Operators Worldwide
This is a radio shack photo of some of my CB Citizens Band radio gear that I have collected over near forty years.
Like Moses I believe in two of everything just in case…
and a good back to base monitored house alarm system as well.
I AM WIRING INTO MY TRAM D201 – A RF SIGNAL FREQUENCY COUNTER. Also known as a Cymometer Tester The
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Cobra 2000 GTL Modifications. Every other CB radio I have seen with extras has been by digital means on the PLL. This one was different as the PLL is locked in this model. Usually it gets replaced with an modifiable version PLL but this had a Switched Chrystal Bank of 11 Mhz values with two wires going back to the original Xtal position.
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In layman’s terms a DDRR is just a short vertical monopole (vertical post) attached to a transmission line tuned by a reactance (ring plus vacuum capacitor). The reactance of the capacitor is transformed by the transmission line and will under specific conditions (length, value of the capacitor, etc.) make the vertical post resonant. Slight variations of the capacitor will lengthen or make the transmission line “shorter” and allow tuning of the antenna on a certain range.
Read moreHam radio / Amateur radio, shortwave, CB, DSP software This information reproduced here for the benefit of all radio operators
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