[Elecraft] K3/K3S noise blanker performance greatly enhanced (at my QTH) -- need testers
Vic Rosenthal 4X6GP/K2VCO
k2vco.vic at gmail.com
Sat Feb 6 08:08:58 EST 2016
I just discovered the same thing. I found the perfect noise to try it on
on 15m, too.
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/
On 6 Feb 2016 12:34, Bill W4ZV wrote:
> 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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