[Mr. Carlson] bought a Globe Scout Model 40A ham radio transmitter at a hamfest. The 40A was a grand old transmitter full of tubes, high voltage, and a giant transformer. It is really interesting ...

(Video of this unsafe transmitter also embedded below.) The design showed up from time to time in old electronic magazines. Built on an open board and with no ground wire, the radio didn’t need ...

Amateur radio, also known as "ham radio," is the term for the use ... transceiver-to-transceiver cloning, and a transmitter time-out timer. It retails for $79.95, making it pretty affordable ...