On 8/20/2020 6:07 PM, ab2tc wrote: > Does anybody have any experiences like this and/or any suggestions what to > do? This, and a lot of other noise sources, are addressed extensively in these two pdfs. http://k9yc.com/KillingReceiveNoise.pdf http://k9yc.com/KillingRXNoiseVisalia.pdf 73, Jim K9YC