[AK-VHF] fixed satellite antenna question

[Ron VE8RT]

Thanks again Ed,

   looks easy enough to construct and does what I wanted.  The QFH was
also under consideration, but may not have been better.

    Ron VE8RT

On Sat, 28 Jan 2023 22:05:04 -0900
Ed Cole <kl7uw at acsalaska.net> wrote:

> Ron,
> 
> The classical solution is the "egg beater" antenna made from two 
> circular loops mounted vertical and at right angles from each other. 
> Usually mounted above four horizontal radials.  The two loops are fed 
> 1/2 wavelength out of phase by use of 70-ohm phasing line.
> 
> Typically this presents horizontal pol at the horizon and circular pol 
> straight up.
> 
> But I would suggest you look the Lindenblad antenna:
> https://www.amsat.org/wordpress/wp-content/uploads/2015/08/An-EZ-Lindenblad-Antenna-for-2-Meters2.pdf
> 
> The Lindenblad provides circular pol with gain maximized at low 
> elevations (where satellite range is greatest).  The horizontal pattern 
> is omni-directional.  I built the 2m/70cm pair described in the Amsat 
> article.
> 
> you will find Lindenblad's at airports for base radios that contact 
> aircraft.
> 
> On 1/28/2023 9:04 PM, Ron VE8RT wrote:
> >     my rotatable satellite antenna system has some weather damage.  I'm
> > interested in putting up fixed circular polarized 2 and 70cm antenna.
> > Home building is the preferred option as I have materials on hand and
> > tooling available at work.  As there are many interesting options for
> > circular polarized antenna what design should I look at for optimum
> > near horizon performance?
> > 
> >     Ron VE8RT DP22
> > 
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-- 
Ron VE8RT <ve8rt at yknwt.ca>