RCI 2990 ground noise?

[53 bayous]

I've notice that my 2990 picks up considerably more ground noise on my Imax 2000 with ground kit, than my other radios. If I put my President Madison base in line, for example, I have a much quieter radio, which means I can hear a lot better 25 miles and out. I wonder if the 2990 noisy by design, or if it was adjusted this way. The radio was used when I got it. I haven't tried grounding it, yet. Any comments or suggestions?


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[JustinDePolis2]

A couple of things, W-I-D-E filtering, and way too much gain in the front end.


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