[Elecraft] K3 in a cw pileup - needs work

[Barry N1EU]

Dave Hachadorian wrote:
> 
> Tonight I used a pair of K3's in the Sprint practice. Several 
> times I had a pileup of four or five loud stations calling me. 
> With AGC turned on, they were all mushed together, and I couldn't 
> copy any of them.
> 
> So I turned the AGC OFF. Now this introduces another problem - 
> the very low threshold of the AF Limiter. The AF limiter, even at 
> its highest setting of 030 introduces gross distortion on loud 
> signals. This is even worse than the mushy AGC.
> 

You need to maximize your rf/af dynamic range - that is what is going to
turn that mush into a beautiful symphony of distinct signals of varying
levels.  What has worked well for me is AGC off (although AGC on works fine
as well), high isolation headphones, and the gain throttling techniques
(most important) described by K3NA, W4ZV, myself, and others.

73,
Barry N1EU

(http://n1eu.com)

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