[amsat-bb] Re: Alliance U-100/110 & Gemini O-360 Alternatives

Jesse Morris w4mvb at verizon.net
Sun Jul 19 19:15:30 PDT 2009

Hi Danny,

Besides the U-100 and U-110 units I have not found anything similar. I have 
been using the Gemini Orbit 360 here for elevation with a home brew 
controller and have had good service from it.  The pot failed in my first 
one after a couple of years of extensive use and I never could get a 
replacement installed and working properly. The one I have up now has been 
up in use for about 6 or 8 years. The pot is a little "scratchy" around zero 
but it is still serviceable.  I still have one new spare and a used unit 
that I'm unsure of. They appear on ebay from time to time but be aware that 
there were some
units produced after all the initial units were gone that carried the same 
model number but was not the same rotor. It looked much like the 3 wire 
Radio Shack model and the mast did not pass through the unit.

Actually I've spent enough on the units I bought to buy a real Yaesu 
elevation rotor but where's the fun in that?

God luck,

73 de Jess W4MVB

----- Original Message ----- 
From: "Danny Stone" <kk4e at pacbell.net>
To: <amsat-bb at amsat.org>
Sent: Sunday, July 19, 2009 6:24 PM
Subject: [amsat-bb] Alliance U-100/110 & Gemini O-360 Alternatives

> Is there a currently manufactured equivalent of the Alliance U-100 or 
> Gemini Orbit 360 TV-type antenna rotator that permit cross boom 
> installation for EL-rotator application?
> 73,
> Danny
> KK4E
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