[Elecraft] RFI in audio chain

[Jim Brown]

On Tue,12/22/2015 5:57 PM, Don Wilhelm wrote:
> That 30-50 ohms resistance may be a shack safety problem.  Your shack 
> ground rod must be connected to the Utility ground rod by a heavy 
> conductor (#6 minimum, but #4 preferred). 

Yes. I will again strongly urge Jan to STUDY my tutorial on Power, 
Grounding, and Bonding for ham radio. 
http://k9yc.com/GroundingAndAudio.pdf  If equipment in the shack was 
properly bonded, removing that audio cable would not have solved the 
problem (and there would have been no problem).

73, Jim K9YC