[Elecraft] RF gain sweet spot

[hb9brj]

Had the same problem in October 2010: RF gain tracking error between main and
sub RX.

Lyle then sent me a beta K3 Utility which performs the RF gain calibration
at 2 different power levels (-73 dBm and -33 dBm). Of course you need an RF
source capable of providing these power levels. This solved my problem. Have
done a diagram showing the before/after behaviour (SCN ADC value versus RF
gain knob angle) but since this reflector does not allow attachments I can't
publish it here.

73, Markus

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