[Elecraft] K3 APF Effectiveness

[John Seney]

Hi All:

I have the same experience as Igor. There is an APF sweet spot that either moved or
disappeared. 

Would it be helpful if there was a GUI that let us save, load, share, and see all of 
the various K3 parameter settings that we are adjusting?

On Nov 17, 2010, at 11:53 PM, Igor Kosvin wrote:

> Sure, you are right, but you would not deny that using same set of
> parameters (NR/NB, WIDTH, PITCH, RF, etc) the APF circa 4.17 and 4.22 should
> give very similar results since the code of APF remains the same. After
> playing few days with 4.22 I find myself having to turn off APF to better
> receive weak CW stations. I don't have explanation for this. With APF on I
> find it difficult to distinguish dits and dahs of weak signals. With 4.17 it
> was much better for me. That should be apples-to apples comparison, I think.
> I don't claim to be expert though, listening is very subjective IMHO.
> 
> Regards,
> 
> Igor, N1YX


73, 

John Seney
ARS WD1V (fn42gw)
603 785-2413