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Re: [TowerTalk] separation between 40m rotary dipole and 3 element beam

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] separation between 40m rotary dipole and 3 element beam
From: <john@kk9a.com>
Date: Sat, 19 Mar 2022 11:56:30 -0400
List-post: <mailto:towertalk@contesting.com>
Absolutely it depends on the antennas involved. Many 40m shortened elements
are not resonant on other HF ham bands.

John KK9A


N1BUG paul wrote:

The answer is likely "it depends on the specific antennas involved".

Last year I placed an OptiBeam OB1-4030 about 9 feet above my TH11DX. I 
did not rotate it 90 degrees. The elements are parallel. I am sure there 
is some interaction but I cannot notice a change in pattern or SWR on 
any band.

Paul N1BUG

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