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Tuned radio hum
BrendaAnnD
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Posts: 1,108
Threads: 89
Joined: Jun 2011
City: Tacoma State, Province, Country: Washington
#7

01-08-2014, 09:23 PM
Intermodulation. Low frequency AC is imposing itself upon the RF because the mains wiring is becoming part of the antenna. When not on a station, you won't hear it because the IF is not passing a signal.
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Messages In This Thread
Tuned radio hum - by morzh - 01-08-2014, 03:11 PM
RE: Tuned radio hum - by BrendaAnnD - 01-08-2014, 03:30 PM
RE: Tuned radio hum - by morzh - 01-08-2014, 03:38 PM
RE: Tuned radio hum - by LASJayhawk - 01-08-2014, 05:16 PM
RE: Tuned radio hum - by Chuck Schwark - 01-08-2014, 05:39 PM
RE: Tuned radio hum - by morzh - 01-08-2014, 05:53 PM
RE: Tuned radio hum - by BrendaAnnD - 01-08-2014, 09:23 PM
RE: Tuned radio hum - by morzh - 01-09-2014, 12:09 PM
RE: Tuned radio hum - by TA Forbes - 01-11-2014, 11:49 AM
RE: Tuned radio hum - by gregb - 01-16-2014, 02:11 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 02:26 PM
RE: Tuned radio hum - by gregb - 01-16-2014, 05:12 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 05:33 PM
RE: Tuned radio hum - by gregb - 01-16-2014, 06:05 PM
RE: Tuned radio hum - by David - 01-16-2014, 07:07 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 08:59 PM
RE: Tuned radio hum - by David - 01-16-2014, 09:13 PM



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