[amsat-bb] Az-El Rotors

[A. Kevin Arber]

Agree about the "Eggbeater" style.  When I first returned to the sats I
homebrewed a couple and they worked fine.  But even better is a Moxin style
which provides gain and circular polarization.  See Larry Cebik"s article
in August 2001 QST.  I built these and they worked great for the LEOs.
Great for portable too, as are omnidirectional.
Kevin/W3DAD

On Mon, Jan 25, 2016 at 6:38 AM, Greg <gjd1958 at verizon.net> wrote:

> Fred,
>
> In addition to Kevin’s idea, you might want to consider some home-brew
> “eggbeaters.”  When I first started on the LEO’s, they worked fine to get
> into the birds, including the ISS.  Won’t outperform a beam many times, but
> they are efficient for the cost.
>
> Greg
> N3MVF
>
> On Jan 25, 2016, at 5:06 AM, A. Kevin Arber <kevin.w3dad at gmail.com> wrote:
>
> Hi Fred,
> If you're working the current crop of LEO sats, then you don't need an
> AZ/EL
> setup.  Just AZ will do with the Arrow antenna set to about 20 degrees
> elevation.  I control my HD-73 with the Easy Rotor Controller (ERC) using
> SATPC-32.  Very simple and works well with the  Arrow.  Get you started
> without too much invested.
> Kevin/W3DAD
>
> On Sun, Jan 24, 2016 at 11:13 PM, Fred Castello <fredcastello at gmail.com>
> wrote:
>
> > Please excuse the newbie.  I have been receiving signals on SSB, CW,
> > Packet, and FM via just listening for a while now.  I am newly back into
> > the satellites as I used to work the high elliptical orbit birds years
> > ago.  Let my license lapse and just got it back and upgraded.  Now
> getting
> > the satellite bug again and have really tried researching on the net but
> am
> > a bit frustrated by the paucity of az-el rotors available.  It seems that
> > there are primarily the Yeasu G-5500 type at $700 to $800 or more or make
> > your own and really no in-between.  I am looking to have a permanent
> > installation that could track both az and el and preferably be controlled
> > by SatPC32.  I am thinking of starting with a small single antenna with
> > both 2m and 70cm on it (i.e. Arrow or other) which would present very low
> > windage.  When I initially got re-interested I was imaging a cheap
> solution
> > with TV rotors but I don’t see any folks doing this and I would prefer
> not
> > to have to set my antenna solution up every time I want to work the
> > satellites.  Am I missing something or could someone point me to an
> article
> > or reference that I am not aware of?  I really appreciate all of the
> > collective experience in this group and thanks for your time!  I am
> using a
> > Kenwood TS 790A without the 1.2 Ghz installed.
> > Best,
> > Fred Castello, KF4FC
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> _______________________________________________
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> to all interested persons worldwide without requiring membership. Opinions
> expressed
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>