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Re: [TenTec] RF in headphone cables

To: na9u@arrl.net,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] RF in headphone cables
From: Robert Tortajada <n6ri@rtort.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 07 Apr 2006 13:44:44 -0700
List-post: <mailto:tentec@contesting.com>
John Nason / NA9U wrote:

>I had pretty bad case of RF getting into my headphones
>on frequencies from 20m and below.  But I did not
>
>Are there others that have this issue?  Does anyone
>see this on a non Orion rig?
>
>  
>
I have a problem with RF on 40m and below getting into my speaker and 
mic lines. In both cases, beads solved the issue. Then I discovered that 
a choke clamped over the coax near the antenna helped. Turned out I was  
incorrectly matching my unbalanced coak to my antenna. The result was RF 
coming back over the  coax shield.

 
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