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1

All answers above somewhat miss the point of the original question. Lowering the RF Gain does not magically improve the SNR of all signals, but it surely does for the medium and strong ones on SSB. Since a voice in SSB varies its instantaneous power a lot during transmission, if you set you RFG to max and put your AGC to fast, you'll notice strong noise in ...


2

Looks like it's just a fancy memory feature to let you quickly switch to a preset frequency and operating mode. https://www.k0pir.us/icom-band-stacking-register-and-memo-pad/ and https://www.manualslib.com/manual/965457/Icom-Ic-7600.html?page=38 . As the second URL mentions, it would be useful if you operate multiple modes in one band, so you can quickly ...


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