Bob Henderson-2 wrote:
> 
> CQ WW CW is now over.  We used K3s at P3F this year.  While performance
> was
> generally considered good, some questions were raised over the
> effectiveness
> of the K3 in separating signals in large piles.
> 
Bob, this topic has come up a few times in the past and is something that
has my full interest during/after each cw contest.  I hate to say it, but I
don't think there's much of a solution via AGC settings.  I typically run
with AGC OFF and minimal RF Gain to try and maximize transfer of RF to AF rx
dynamic range, but it honestly doesn't help much with the pileups.  Perhaps
it's just the nature of K3's A/D/A.  I've used both the K3 and Orion in
ARRL160 this weekend and my sense is that the similarly rx gain optimized
Orion does a bit better in those situations where there are multiple callers
on frequency.  

73, Barry N1EU
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