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Re: [TowerTalk] VHF beam spacing?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] VHF beam spacing?
From: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Reply-to: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Date: Fri, 3 Jul 2009 21:04:00 +0100
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
jim Jarvis wrote:
>
>Folks,
>
>I've got an M2 6m5x,   5 elements on six meters, which will mount on
>a pole-mounted
>rotor.  (G1000dxa).    I want to put a small 2m yagi above that.
>Does anyone have a
>sense of minimum spacing required?
>
>Obviously, I want to minimize the mast length above the rotor, so its
>a tradeoff between
>isolation and physical load on the rotor mast-clamp.
>

This page will give you a general sense of the tradeoffs:

http://www.ifwtech.co.uk/g3sek/stacking/stacking2.htm



-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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