[Elecraft] K2 distorted audio on certain freq.

[Keith Onishi]

If you have strong pulse noise and noise blanker enabled for eliminating the noise, you may hear signals with some level of distortion.
How distorted depends on the noise strength or pulse width of the noise.
You may reduce RF gain of your receiver to improve relative signal to noise ratio and disable the noise blanker.

73 de JH3SIF, Keith

> 2020/05/24 11:38、Mike Duke <kj4pom at gmail.com>のメール:
> 
>     I have a new acquisition. I traded my Corsair II for a K2. Going
> through it and finding small issues that need to be addressed.
>     Besides just needing a thorough alignment, have noticed that on 40
> meters at 7184.00, the audio is extremely distorted but not on any other
> part of that band. I have the owners manual, nothing in trouble shooting
> about distortion.
>     Ser. #3631.  K2 IOC 1.07.  K2 MCU 203.   KSB2 1.07
> 
>     Every 5 minutes I also here a noise like a quick cyclic pulsing for
> about 5 seconds and it goes away.
> 
>      Does anyone know of a  regimen of procedures I could start to
> troubleshoot and check these issues?
> 
>     Thank you
> 
> Mike
> Kj4pom
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