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Re: [TowerTalk] optimum vertical length

To: lists@subich.com
Subject: Re: [TowerTalk] optimum vertical length
From: jimlux <jimlux@earthlink.net>
Date: Tue, 02 Jun 2009 22:21:45 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Joe Subich, W4TV wrote:
>> Correction... the FCC specifically rejected a particular limit.. They 
>> had received comments prior to the rulemaking recommending the BOCA 
>> building code which says that permits are not required for structures 
>> less than 12ft above highest point.
> 
> Actually the very old rules for Citizens Band did have a "20 feet above 
> the structure" limit.  If I recall correctly - this comes from 40 years 
> ago - the rule applied to the highest point of the antenna which meant 
> that the base of a typical 5/8 wave CB vertical had to be at the top 
> of the structure.  
> 
> Of course, like just about everything else with CB, the rule was 
> generally ignored <G>. 
> 
> 73, 
> 
>    ... Joe, W4TV 

Thanks..
I knew it was something like that..
so the 12-15 ft is probably a building code kind of thing (and who knows 
where it comes from..probably because lumber or pipe came in 10 foot 
lengths or something like that).. Heck, it could even be because it's 
twice the height of King John back in 1215.

Thy antenna shall extend no more than 4 yards beyond the furthest point 
of your roof, 4 being one more than 3, but not extending to 5, and being 
a perfect square of 2, being twice the height of his gracious majesty, 
the king....

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