I've been listening in the 160 contest to see how the K3 does in some really
horrific conditions. Lots of very loud stations with awful key clicks
crowded in a small area would crush the front end of most receivers.
I have the 500 hz roofing filter. I can easily get within 200 hz of a very
loud and clicky signal and still copy a weak station. There is no pumping of
the AGC to cover the little guy. A station 500 hz away simply disappears.
On SSB, I have found I can cut the bandwidth down to 1.5 khz or below and
by moving the passband 1.30 khz, I can copy the signal. It is pinched but
very easy to understand.
The K3 is very impressive.
Craig "Buck"
k4ia
Fredericksburg, Virginia USA
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