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[TowerTalk] 40 meter rotatable dipole

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Subject: [TowerTalk] 40 meter rotatable dipole
From: n1rj@pivot.net (Roger D. Johnson)
Date: Mon Mar 24 22:18:20 2003
I don't think gamma matching the boom of this antenna is a good
idea. The stepIR has motors and sensors somewhere in there that
might not like RF being applied where the manufacturer did not
intend it to be.

73, Roger


kelly@thejohnsons.ws wrote:
> 
> I will be putting up a 3 el SteppIR sometime in the next month.  Does anyone
> have a great idea about how to add 40 meters?  I can't have much separation
> so it would have to be something that can be mounted close to the SteppIR or
> some kind of mod to the SteppIR itself to work on 40.  Even 5 feet of
> separation is probably too much.  I am height, size, and
> weight limited at the moment so a rotatable dipole is about all I can do.
> Any ideas that work as well as (or better than) my inverted vee at the
> same height (about 45 feet) are welcome :-)
> 
> 
> On Mon, 24 Mar 2003 16:53:07 -0800 (PST), SavageBR@aol.com wrote:
> 
> >
> > If you have other antennas up, don't over look the possibility of Gamma
> > matching the boom of a monoband 20 Mtr or multiband beam. This technique has
> > been discussed by N4KG and others, I match the boom of a 204BA at 74 ft and
> > it works out GREAT.
> >
> > Bruce  AA4Z
> > _______________________________________________
> >
> > See: <a
> href="http://mail.thejohnsons.ws/jump/http://www.mscomputer.com";>http://www.mscomputer.com</a>
>   for "Self Supporting Towers", "Wireless Weather
> > Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any 
> > questions
> and
> > ask for Sherman, W2FLA.
> >
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> 
> Kelly Johnson
> _______________________________________________
> 
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any 
> questions and ask for Sherman, W2FLA.
> 
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