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Re: Alliant rotor U100



I'm kind of curious about this as well. I have been using Gemini Orbit 
360 rotators along with a SaebrTrack box which is built around a Basic 
Stamp module. I believe it's very similar to the WA8SME design. The 
problem is that the OR-360 rotators are getting hard to come by. I have 
two working ones and one that doesn't for parts. I worry that someday 
I'm going to lose a rotator and be up the creek since I can't afford the 
Yaesu units. Mine are down off the mast right now because I'm working on 
them.
 I think that the U-100/U-110 units are much more readily available from 
Norm's Rotor service. My question would be that since the OR-360 and 
Yaesu rotators get position feedback from pots and the U-100 series has 
some type of microswitch for positioning, how are you adapting to that?
73,
Michael, W4HIJ
ehekman@cox.net wrote:
> Norman,
>
> Bob, WB4APR, and Greg, KO6TH, and Dave, K8DAV have written articles about interfacing the U-100 type rotors to the PC.  A couple of the links are shown below.  I started implementing Greg's method with a rotor controller circuit designed by Mark, WA8SME, using a Basic Stamp module but haven't finished it yet.  I would be happy to share some ideas off the list.
>
> http://home.jps.net/~gregd/hamsite.htm
> http://www.k8dav.com/u100_info.htm
>
> Ed
> WB6YTE
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