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Re: [TowerTalk] RF Choke or Balun

To: <>
Subject: Re: [TowerTalk] RF Choke or Balun
From: "wb5oxq" <>
Date: Tue, 12 Jun 2007 16:22:15 -0500
List-post: <>
If I were to make a new choke for my triband beam out of RG-213, how many 
turns would you suggest and what diameter coil.  Is pvc pipe a good coil 
form?  How far away from the connection at the driven element can it be 
located.  Can I tie strap the assembly to the boom?  My antenna is a force 
12 c-3 at 52' above ground.  My current choke may have been hit by lightning 
at some time and works ok at 100 watts with 1.4 to 1 but at legal limit the 
reflected power rises to 70%.
WB5OXQ, Jim in Waco


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