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I used to live across the street from a 5 kW am station. I was about 100 yards from the closest guy wire tiedown. I hooked up a good ground, a wire draped across the street connected to the guy wire as high as I could reach, a tuned circuit, a galena
(PbS)/tungsten-tip diode, and an output transformer. I got excellent volume on
my low efficiency stereo speakers.
It didn't work without a tuned circuit because I was 1/2 mile from
a different 2 kW station. That one produced loud signals on headphones,
but not a speaker.
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