[TowerTalk] Feedline (choke) question

Brian Beezley k6sti at att.net
Fri Sep 26 17:08:32 EDT 2025


"Why sever the connector? If we are talking about RG-213 size coax, that 
is .405 inches in diameter."


Sever the coax. I assumed the desired spot was far from the shack and it 
would be too much trouble to fetch the end of the coax and then wind the 
whole length several times through a large core. But maybe not! And 
maybe installing connectors isn't that much trouble for someone good at 
it (I'm not). I'd just want to be sure I had the right spot first.

A quick model of the two-wire current shunt didn't look that promising, 
at least for the initial geometry I picked. I'm not sure the idea is 
worth pursuing.

Brian



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