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Re: [TowerTalk] identify this antenna

To: jim Jarvis <jimjarvis@optonline.net>
Subject: Re: [TowerTalk] identify this antenna
From: jim <jim@itristar.com>
Reply-to: jim@itristar.com
Date: Thu, 07 May 2009 15:29:51 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Thats correct Jim-EA. They were advertised as available from 440-500, but manufactured to a customer
specified 10MHz window, ie: 450-460, etc.
Cheers, Jim WA9Z




jim Jarvis wrote:
Some friends locally took down a tower at the request of a new 'non-ham' owner and they are asking me to try and find out what this
antenna is, does anyone know.

http://americanaerial.ad5vj.com/mysteryantenna/

Thanks,
Bob AD5VJ


Bob,

Looks to be a vertical collinear, or "franklin" array. Probable frequency
determined by the radials = .25 lambda, at the lowest freq.

The ID by w9az, jim, may indeed be correct.   However, with that many
stacked, phased halfwaves, I would suspect that the bandwidth is
much less than his the 50 MHz he's suggested.

Jim/N2EA _______________________________________________



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