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1. 06:43 PM - New noise in NAV radio (Ken Hill)
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| Subject: | New noise in NAV radio |
Last Sunday on a flight from Charleston to Knoxville, my KN-53 Nav radio
developed a noise/static whenever I turned up the volume. The noise is
in both the pilot and passenger headsets. It is bad enough that I have
a difficult time hearing transmissions from NAV sources (weather, FSS,
etc.) It also seems to be picking up surrounding EMF that was not an
issue previously. I borrowed another KN 53 and got the same result.
Also, it is there with the engine not running, but other avionic units
powered up. Understand this was not a problem until recently. I
checked the connections to the antenna and they seem OK. The antenna
does not appear to have any damage. If the antenna leadwire shielding
broke at the tray connector, would it result in this kind of problem?
Any suggestions would be appreciated.
Ken Hill
RV-9A
Kingston, TN
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