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Re: [TowerTalk] 80/40 coax trap dipole design

To: towertalk@contesting.com
Subject: Re: [TowerTalk] 80/40 coax trap dipole design
From: Rik van Riel <riel@surriel.com>
Date: Thu, 16 Dec 2010 11:52:04 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 12/15/2010 09:21 AM, DJ7WW wrote:
> It will not work on two bands without a trap

There are good examples of antennas that work well on
two bands without a trap.

For example, the 2m / 70cm verticals, which are a little
short to be 1/4 wave verticals on 2m (the coil acts as a
loading coil) and 5/8 wave verticals on 70cm (the coil
acts as a matching coil).

I imagine similar things are possible on HF.

-- 
All rights reversed.
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