To: | towertalk@contesting.com |
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Subject: | Re: [TowerTalk] Fwd: Fwd: Fwd: effect of two wire antennas end to end |
From: | Jim Brown <jim@audiosystemsgroup.com> |
Reply-to: | jim@audiosystemsgroup.com |
Date: | Wed, 25 Feb 2015 21:23:35 -0800 |
List-post: | <towertalk@contesting.com">mailto:towertalk@contesting.com> |
On Wed,2/25/2015 8:11 PM, Hans Hammarquist via TowerTalk wrote: I would be interesting to know if it is possible to design a special balun that can balance the two unequal parts of the OCF with a "no common mode current" in the feed line but still with a galvanic connection to avoid static build-up. Sure. k9yc.com/RFI-Ham.pdf has a bunch of simple designs. It's called a common mode choke. To confuse people, some call a common mode choke a current balun. BUT -- most commercially available "current baluns" are pretty poor. 73, Jim K9YC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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