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Re: Topband: FEEDING AN END-FED LONGWIRE

To: topband@contesting.com
Subject: Re: Topband: FEEDING AN END-FED LONGWIRE
From: Sinisa Hristov <shristov@ptt.yu>
Date: Thu, 04 Mar 2004 08:04:18 -0500
List-post: <mailto:topband@contesting.com>
Donald Chester wrote:

> If you are talking about the "end-fed zepp" the unterminated feeder,
> sometimes called the "dead" feeder somewhat balances out the "live" feeder
> that connects to the end of the antenna.  While the balance is not perfect
> and cancellation is not complete, the feedline radiation is significantly
> less than with a simple one-wire vertical feeder (which would qualify the
> antenna as an "inverted-L").


Well, the radiation may or may not be as described,
but one thing is for sure:  common mode feeder current
is exactly equal to the current feeding the "antenna".
That's physics.


73,

Sinisa  YT1NT, VA3TTN

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