--- In [email protected], "dirtfarmer" <[EMAIL PROTECTED]> wrote:
>
> In the late 70s c-band receivers did not include any means of moving
> the dish. Actuators were powered by a small box that sits beside the
> receiver.  It had a simple power supply inside it with a counting
> device to tell you a relative position.  What's the chances of finding
> one of these devices.  They worked wonderfully. It sure beat going out
> and hand cranking the dish.  Does anybody actually produce anything
> like that today?  They should.
> 
> 
> Thanks!
>

Nobody makes them, at least commercially. You'd have to either make
one yourself, find someone to make one, or find someone that still has
one.

FWIW, early on, they used a potentiometer in the arm to sense
position. Later on they used pulse. It seems that way to me likely.






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