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Comm radio bleedthrough of FM music stations

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bovine

1974 Cherokee 140
Joined
Jun 15, 2013
Messages
372
Reaction score
103
Location
Houston, TX
Our COMM2 radio (TKM MX-12) picks up faint sounds from some FM music station, yet the COMM1 radio (GNS 430) doesn't have that problem even when tuned to the same frequency.

One of my two VHF antennas shows some minor signs of corrosion under the paint, but I haven't identified which of my two radios uses that antenna.

Would FM bleedthrough be one of the expected failure conditions of antenna corrosion, or should we be looking for another source of this problem?

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