[Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers

[Bill W4ZV]

wayne burdick wrote
> 2.8 kHz should give some improvement over a narrow filter on some types of
> noise. Worth a try. Just temporarily tell the firmware that it's a little
> bit wider than your narrow filter, then use the WIDTH control to switch
> between narrow and wide. Re-optimize the NB settings each time.

I've been having a problem with a pulse type electric fencer (not the 60 Hz
cycling buzz type which is impossible to cure with a blanker).  Most radios'
NBs deal effectively with pulses but for some reason (firmware change) my K3
(#4717) is not.  I decided to try Wayne's suggestion even though I only have
the 2.7 kHz stock filter.  

The problem with Wayne's suggestion is that the K3 Utility will not accept
0.45 as a valid width for the 2.7 kHz filter because it is used for TX on
CW/SSB and bandwidths <2.7 kHz are not allowed.  Is there a workaround for
this or am I doing something wrong?

73,  Bill  W4ZV




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