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Back in the day, building a DIY radio was fun! We only had to get our hands at a germanium diode, make some coils, and with a resistor and long wire as an antenna maybe we could get some sound out of ...

Protect transmitter phone lines with this DIY protector. Fred Baumgartner writes from Colorado to tell us that Charlie Sears, the transmitter engineer for WTTV(TV) in Indianapolis at the turn of the ...