Quote:
Originally Posted by Jeffhs
good grief, I cannot see how even a 500-kW signal can be heard over a wire stove burner coil or an electric fence; after all, neither of these would have any way whatsoever of reproducing sound, even if they somehow managed to detect the radio signal.
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There'd have to be some degree of 'diode' action occurring to provide enough rectification of the signal. The 'demodulated' audio would then magnetically vibrate the metal stuff.
(Edit) A good example of fortuitous rectification is seen in a foxhole radio. Several vids on UTube.