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Old June 12th 18, 03:46 PM posted to rec.aviation.soaring
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Default Radio Squelch - Electrical Noise Problems

I have to agree with PAGA.
It took almost a whole day but taking all units off line and adding them back one at a time identified what system was the source. Then it was a couple hours using ferrite devices to kill the noise. It was amazing to me how specific the positioning of the ferrite device on a wire/cable needed to be. Just moving the ferrite an inch back and forth on a wire/cable made a difference. Eventually, all became good in the world again.