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[TowerTalk] Choking on chokes

To: "towertalk@contesting.com" <towertalk@contesting.com>, "towertalk@contesting.com" <towertalk@contesting.com>
Subject: [TowerTalk] Choking on chokes
From: David Gallatin via TowerTalk <towertalk@contesting.com>
Reply-to: David Gallatin <kc9eev@yahoo.com>
Date: Wed, 3 Dec 2014 15:16:38 +0000 (UTC)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Hello fellow listers,I have tried to educate myself as to whether my antenna's 
need common mode chokes and what to use if so.  Lessons on permeability are not 
really permeating my brain tissue and I'm rather dazed and confused. I want 
very badly to get this right so I'm asking for help. So I am going to list each 
one in hopes of someone telling me whether A) it needs a choke and B) what that 
choke should consist of. The coax used is DXE 400, except DXE 213 on the Mosley 
per their spec.My antenna's are as follows:Diamond X200 vertical 2M 
M2 6M3 6 meter yagi
Mosley TA33 JRN 20,15,10 tri band yagi
EARCHI design homebrew 9:1 unun wire antenna of 32' which I wish to use on 40, 
30, 17 and 12 and (maybe) 80. Will run horizontally
Thank you for your time, 73,
David, AA9G

ex W5DCG and KC9EEV

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