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"Frank Dresser" wrote in message ...
"bpnjensen" wrote in message om... [snip] (2) The degree of AM BCB intermod, especially below 4 MHz, is dramatically increased, almost to the point where nothing legitimately below 4 MHz can get through. All preamps off, still get the gunk where it wasn't before. Booo. You might want to look it over for a wire pulled loose, a cracked circuit board trace or a poor solder connection. It's possible you did some inadvertent damage as you disassembled it. Happens to me from time to time. Even if I didn't spot anything, I would probably shotgun a bunch of solder joints with an iron. Thanks for this Frank - I will look and maybe solder too, although all I really did was take the top off - I doubt if I will find anything (not having any significant experience with looking at a circuit board, much less with a soldering iron) - but I am still puzzled as to how the signals are getting into the equipment in the first place - with the preamps all off, the MFJ's built-in MW attenuation and the PAR filter there, the signal strength just isn't there - on the antenna at least. After another experiment, FWIW, I get this on the radio without the MFJ-1026 installed, too. The RFI is just *everywhere* around here. Thanks, Bruce |
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