[Elecraft] K3 Noise Reduction

Pete Smith N4ZR pete.n4zr at gmail.com
Wed Dec 15 09:36:26 EST 2021


Last weekend during the 10 meter contest I was experiencing very loud 
line-noise-like interference when my antenna was pointing south.  I 
tried both my K3's Noise Reduction and Noise Blanker functions, and was 
unable to find any setting that gave useful relief.  With the noise 
blanker, in particular, I noticed that when it was on, not only was the 
buzz still very strong, but it seemed as if all CW signals on the band 
were being hum-modulated.  As soon as I turned off the noise blanker, 
the CW signals cleaned up.  Is there something wrong with my radio, or 
an adjustment issue, or is this interference simply too strong?  
Obviously, I'll be trying to track it down, but it's not there all the 
time, so that could be tough.

-- 
73, Pete N4ZR
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