[Elecraft] K3 QSK

[Ron NA9F]

Merv,
After reading your post I played with the K3 more and I think you are right
about it being an impression of thumps. To me it is high band noise on 40
and 80 m. I went up to the higher 
bands where there is very little band noise and do not hear the thumping. I
also switched back
to the low bands and heard it. Then switched to a dummy load and I did not
hear the thumping.
Thanks for shedding more light on this subject.

Ron NA9F 



Merv Schweigert wrote:

>>
>> What I believe I am hearing though is not an artifact but just high band
>> noise between dits that give an impression of thumps. The high band noise
>> is
>> being gated by TR switching. I suspect if I didn't live in a high noise
>> environment I wouldn't here this.

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