On 6/11/2024 12:40 PM, qat ken brookner wrote:
Any ideas?
Is everything in your shack well bonded? See
http://k9yc.com/GroundingAndAudio.pdf
What modes? CW or SSB? Both?
Are any audio accessories running from the same 12V supply as the
transceiver? See this link.
http://k9yc.com/PowerSupplyBondingAndAudioDistortion.pdf
What specifically do you see/hear in the spectrum? If you can do a
screen grab of a waterfall that's 10-20 kHz wide, it might yield clues.
This reflector will reject it, but you could send it to me directly.
73, Jim K9YC
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