[Elecraft] KPA1500 and noise

[Jim Brown]

On 5/8/2020 5:28 PM, w5sum at comcast.net wrote:
> I turned the Amp back on and the noise came back.

Is your station properly bonded? It should be, for a lot of reasons, 
especially noise and safety. It's also the LAW! Study this tutorial.

http://k9yc.com/GroundingAndAudio.pdf

On 5/8/2020 5:41 PM, w5sum at comcast.net wrote:
 > only one antenna hooked to it, and that’s a sommer XP808 log fed yagi.

You should have a very good common mode choke at the feedpoint. 
Guidelines here. http://k9yc.com/2018Cookbook.pdf

73, Jim K9YC