Carl & Jerry: Operation Worm Warming

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Carl & Jerry: Operation Worm Warming

Post by KirtB » Wed Jul 26, 2017 10:21 pm

Carl & Jerry: Operation Worm Warming, May 1961 Popular Electronics

When becoming a licensed Ham a few years back, I learned that when broadcasting over amateur bands, the FCC requires you to transmit your station identification at the beginning of each session and then at least once every ten minutes. I hate to nit pick a Carl & Jerry story, but in this episode John Frye's intrepid electronics hobbyist duo rigs up their basement 'shack' to automatically transmit the letter 'A' in Morse code as a beacon signal to test reception in a cave. A timer would start the broadcast and it would run continuously for half an hour. Maybe things were different in 1961. The experiment intended to test a signal's ability to propagate through the Earth rather than through the air. It is an interesting twist on the skin effect of high frequency signals along a conductor …
Kirt Blattenberger

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