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Re: [TowerTalk] OptiBeam OB2-40M

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] OptiBeam OB2-40M
From: <john@kk9a.com>
Date: Fri, 21 May 2021 20:28:16 -0400
List-post: <mailto:towertalk@contesting.com>
VE6WZ has an interesting webpage on Cushcraft's loading coil construction
(68 turns of 12AWG wire) and its loss:
https://www.qsl.net/ve6wz/CC_coil.html

John KK9A

Dave Thompson K4JRB wrote


That optibeam sounds great but I reburbed my old 2 el Cushcraft 40 and its
still a killer.  I see no reason to change.
The cushcraft usually beat out a 3 el Telerex at n4RJ and several 4 el KLM
40's nearby.  It worked so good that Tom N4KG (SK now) in Huntsville called
it a killer antenna and ordered one for himself.  And no I left it alone and
did not modify it as a moxon.

73 Dave K4JRB

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