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

Jim Brown jim at audiosystemsgroup.com
Thu Feb 26 00:23:35 EST 2015


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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