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Re: [TowerTalk] MACAntenna

To: Brian Gieryk <ke6iyc@mac.com>
Subject: Re: [TowerTalk] MACAntenna
From: jimlux <jimlux@earthlink.net>
Date: Wed, 20 May 2009 11:44:40 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Brian Gieryk wrote:
> Perhaps a typo on their site, or an oversight, but how cane one have a  
> turning radius (20 ft, 1 in.) LESS than the boom length (20 ft, 6 in.)?
> 
> Brian
> KE6IYC
> 
>

You're going to feel silly, when you realize it

radius = half diameter...

just the 20 foot boom has a 10ft turning radius..

What the 20 ft radius means is that the element length is approximately

  2* sqrt(20^2-10^2)



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