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Re: re:Alliance Rotator Question



Dear Gene

There an article on the web which I have seen and built one similar , you 
can google search for this title   "Adding a Position-Feedback Potentiometer 
to a TV Antenna Rotator"
Good luck
Best 73
Pop
VU2POP
Secy Amsat India

----- Original Message ----- 
From: "Gene Marks WB2LLP" <wb2llp@optonline.net>
To: "Paul Proefrock" <paul@proefrock.net>; <amsat-bb@amsat.org>
Sent: Sunday, March 12, 2006 6:11 AM
Subject: [amsat-bb] re:Alliance Rotator Question


> Paul,
>
> A friend gave me a rotator that looks just like an Alliance 100 until you
> discover that there are 5 screws on the phenolic plate.  I took it apart 
> and
> there was a wire wound pot on the inside connected to the mechanism.   The 
> unit
> appears to have been made this way, not an after the fact addition.  There 
> was
> no identification on the case other than the name Alliance.   I do not 
> remember
> if I got a control unit with it or not, but I can not find one at the 
> moment.
> The layout of the screws on the phenolic plate looked as if it was 
> designed to
> have 5 wires not 4.
>
> The gentleman that gave it to me was from Canada which made me wonder if 
> it was
> a unit made for the non-US market.
>
> I kept it intending to do what you want to do,  but have not had the time.
> Hopefully your query will find someone who knows more about this rotator. 
> Was
> it a commercial unit, or the work of a ham who did quality work?
>
> 73 de WB2LLP
> Gene Marks  FN31bt
> ----
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----
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