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Re: [TowerTalk] Tower and Ladder Line Interaction

To: Kelley <kshaddrick@jetup.net>, towertalk reflector <towertalk@contesting.com>
Subject: Re: [TowerTalk] Tower and Ladder Line Interaction
From: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Wed, 23 Jul 2014 08:53:15 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 7/23/2014 8:06 AM, Kelley wrote:
he bottom of the tower.

However, I'm concerned about the interaction between the tower and the
ladder line. Some of the info I've read suggests it's not that big of a
deal as long as the ladder line is a few inches from the metal. Other
info I've read suggests otherwise.

Since you said you are using a tuner, you don't care if the line
impedance is changed moderately by the proximity of the tower.
You are probably fine if the spacing to the tower is 2 or 3 times
the wire spacing of the line.  Try to keep balance by putting
the line broadside to the tower, rather than end wise.  Also
avoid running it adjacent to a leg, rather run it up the face of
the tower.

Again, since you have a tuner, it is very non critical.

Rick N6RK

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