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Re: [TowerTalk] 100ft mobile on 160

To: John E Cleeve <g3jvc@jcleeve.idps.co.uk>
Subject: Re: [TowerTalk] 100ft mobile on 160
From: Stan Stockton <wa5rtg@gmail.com>
Date: Wed, 29 Oct 2014 19:32:10 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
John,

Before deciding it isn't going to work and doing something different, I would 
try it first with some top loading wires and a shunt feed.  I would highly 
recommend not using it as a support for an inverted V, which will be a really 
high angle radiator for 160m at that height.

73...Stan, K5GO

Sent from my iPad

> On Oct 29, 2014, at 6:37 AM, John E Cleeve <g3jvc@jcleeve.idps.co.uk> wrote:
> 
> Good morning,
> 
> 
> 
> I have a 100ft galvanised mobile mast by Radio Structures in the UK, the
> mast has not been used for quite a while and its potential is being wasted.
> I am considering its use as a "parked" top loaded vertical radiator for 160
> metres, raising the mast to full height when required. The principles of
> shunt feed etc. as applied to a fixed mast are well documented in the
> handbooks, but a telescopic, lattice structure, with all the associated
> mechanical variables may pose different electrical and continuity problems.
> I would be grateful for the views of the group.
> 
> 
> 
> 
> 
> Sincerely, John G3JVC / GM3JVC.
> 
> 
> 
> 
> 
> 
> 
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> 
> 
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