[CQ-Contest] SO2R filtering help

[Jim Brown]

Hi Dan,

I gave a talk at Visalia this spring on interstation interference that 
includes exactly the problems you're seeing. The slides are on my website.

73, Jim K9YC

On 7/23/2019 2:06 PM, Dan wrote:
> I have read that there could be something other than the rigs creating harmonics. IE  corrosion, wall warts, grounding problems. What I need are ideas on how to track these buggers if indeed this is the problem.