[CQ-Contest] Rotator Control Box Hum

[C. Logan Dietz]

k4ro at k4ro.net wrote:
> 
> but none cured the problem.  Today I tried something ridiculously
> simple - I used a "ground lifter" to float the ground on the
> Tailtwister rotator control box.  The very annoying hum is now
> 100% gone. 

OK, I'll bite.  What the heck is a "Ground Lifter?"

Chuck, KZ5MM


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