[Elecraft] FW: [CQ-Contest] SOME THOUGHTS ON USING THE K3 ON SSB
Bill W4ZV
btippett at alum.mit.edu
Sun Apr 12 05:56:55 EDT 2009
After extensive experiments with tx audio settings in pursuit of "perfect
audio" for my purposes - dxing on 80m - I came to the conclusion that for my
voice with the HC-4, an offset of -0.07 with the 2.8 kHz filter was about
right.
It's not unusual for the 8-pole filters to have small offsets, which would be particularly noticeable if on the bass side of the passband. I've heard of up to 80 Hz (0.08) in some CW filters. Anything large than that, indicates something else may be going on (like accidentally resetting the 5-pole offset to zero as K7SV noted in the original post).
73, Bill
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