[CQ-Contest] LED Dimmer

[Jim Brown]

On Fri,12/2/2016 11:26 AM, Mike Ritz wrote:
> I found myself with a new broadband S7 level noise that basically wiped out 40M-160M for me during the CW test last week. It sounds like a high frequency sizzle, and it was all across the bands.

Troubleshooting ideas here.

http://k9yc.com/KillingReceiveNoise.pdf

and

http://k9yc.com/KillingRXNoisePPT.pdf

73, Jim K9YC