FLx GN
I've bought a 400hz eight pole CW filter. Although the manual recommends
1-2 db for a setting, I see that the adjustment can be higher. What setting
are most CW operator using?
<unquote>
I measured the gain change going from 450 Hz to 400 HZ (where the rig
changes from the 2.8 filter to the 400 Hz filter) by turning the AGC off and
using WSJT v 4 signal power measurement function.
You can also use the AFV/dBV function in the radio to directly measure
the filter insertion loss.
I won't give you a step by step procedure. That is left as an exercise
for you.
I will suggest that AGC ought to be OFF, the signal you tune in ought to
be steady with a good SNR, and that the K3 has an internal oscillator
around 49.380 MHz.
Enjoy!
73,
Lyle KK7P
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