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Re: [TowerTalk] Resistor Across a Choke Balun

To: John Keating <john.keating@sbcglobal.net>
Subject: Re: [TowerTalk] Resistor Across a Choke Balun
From: Chuck Dietz <w5prchuck@gmail.com>
Date: Fri, 1 Jul 2022 11:22:26 -0500
List-post: <mailto:towertalk@contesting.com>
I’m not sure what “AC coupling the feed line” is.

Chuck W5PR

On Fri, Jul 1, 2022 at 11:05 AM John Keating <john.keating@sbcglobal.net>
wrote:

> Either a resistor or choke will work to bleed off static, as others have
> stated.
>
>
>
> But, note that a suitably sized resistor introduces a high RC time
> constant,
> which in the event of a lightning strike will not bleed fast enough nor
> survive the high voltage level to prevent equipment damage. The ultimate
> protection is provided by AC coupling the feedline and shunting to ground
> with chokes and gas discharge tubes on the antenna side of the coupling
> capacitor.  See article by Eisenbrey, AB5WG, Electric Radio magazine, #284,
> Jan 2013.
>
>
>
> AI6LY
>
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