Topband: Magnetic Loops

[Gary and Kathleen Pearse]

Expecting this and given the proximity of my transmission antennas to the Wellbrook Loop (50-100'), I put 10 Type 31 slip-on beads over each end of the RG8-X feed and rotator control cable, and insulated the loop from the rotator with CPVC plumbing pipe. 

Did it help? Maybe. I get no feed line issues at legal limit in the shack. It simply was a shotgun reaction to a perceived potential problem.

73, Gary NL7Y

> 
>  This means CM noise on the feeder can be abnormally problematic, because more than the antenna is the antenna!
> 
> This throws another wild card in the deck.
> 
> 73 Tom