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Re: [TowerTalk] Using Coax as Ladder Line

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Using Coax as Ladder Line
From: "Dan Zimmerman N3OX" <n3ox@n3ox.net>
Date: Thu, 19 Apr 2007 22:12:33 -0400
List-post: <mailto:towertalk@contesting.com>
> I saw something somewhere about using coax as ladder line to get out of your 
> house.  >Seems like the center leads of a pair of coax were connected as if 
> they were the ladderline at >the tuner and the shields tied together and then 
> to ground at the station.  The ends outside of >the house then had the two 
> center leads tied to the real ladderline and the shields tied >together at 
> that point also.

Yes, you can do this to make balanced shielded line, but it doesn't
buy you a whole lot.  It has basically the same loss as a single coax
run, which can be quite a lot if you're using open wire or window line
to feed a multiband antenna with a tuner.


73,
Dan
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