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[TowerTalk] Ladder Line and Coax

To: <towertalk@contesting.com>
Subject: [TowerTalk] Ladder Line and Coax
From: 2@vc.net (2)
Date: Wed, 22 Aug 2001 07:58:17 -0700
>
>>
>>Hi Dave,
>>
>>
>>> The main  problem with bringing ladder line or any open wire line into the
>>> shack lies with what I call the "hot shack" syndrome. With  more than one
>>> 160 meter antenna the shack was full of hot RF and plenty of RF feedback. 
>>>  This also gets into the telephones radios, and even TVs that are not on
>>> cable.   Even using a tuner with a balun can cause a problem.
>>
>>The problem is with feedline balance and/or distance to the 
>>feedline. The most effective type of balun is a 1:1 choke-
>>balun....and it belongs on the OUTPUT side of the tuner...not the 
>>input.
>>
>//   Please explain why to us, Mr. Rauch.  . 
>
>thanks
>
//   ... yet another stonewall?  
 Can anyone explain why a (current) balun should be located at a point 
where high voltages and high SWR are known to prevail?
tnx


-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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