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Re: [TowerTalk] Fwd: Fwd: Fwd: effect of two wire antennas end to end

To: towertalk@contesting.com
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
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