Topband: Feedpoint of short RX vertical

Jim Brown jim at audiosystemsgroup.com
Sat Jun 7 23:24:37 EDT 2014


On 6/7/2014 12:13 PM, luc kerkhofs via Topband wrote:
> does it make sense to decouple the feedline
> at the feedpoint with a braid breaker ?

It DOES make sense to decouple the feedline. I've never heard of a 
"braid breaker." Under NO conditions should you open the shield == that 
prevents the shield from being a shield. The good ways to decouple the 
feedline are 1) a good transformer, a good common mode choke, and 
radials. See Chapter 8 of http://k9yc.com/RFI-Ham.pdf for winding 
guidelines for the choke.

73, Jim K9YC


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