To: | topband@contesting.com |
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Subject: | Re: Topband: Feedpoint of short RX vertical |
From: | Jim Brown <jim@audiosystemsgroup.com> |
Reply-to: | jim@audiosystemsgroup.com |
Date: | Sat, 07 Jun 2014 20:24:37 -0700 |
List-post: | <topband@contesting.com">mailto:topband@contesting.com> |
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 _________________ Topband Reflector Archives - http://www.contesting.com/_topband |
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