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Noise Problem During Receive

I have an FT-840 with a receive problem. During receive, there is a static/clicking noise that sounds very similer to electrical noise. I've ruled out actual electrical noise as the problem is happening no matter where the radio is located. This noise seems to be in the front end, as it appears to be affecting the AGC as well. Any suggestions? Thanks, 73! Bob, KD5MHQ

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