[TowerTalk] 40 meter rotatable dipole

[Roger D. Johnson]

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 at 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 at 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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