[amsat-bb] RE: Poor man's AO-40 Portable Rotor

["Bill Acito W1PA" <w1pa@xxxxxxxxxxx>]

Some folks pointed out some corrections (in my polar axis angle).
If you downloaded this, you may want to pull the updated, corrected version,
same URL.

Bill
w1pa

(I'm starting to build this, btw)

> >
> > > Has anyone tried anything like this?
> > > http://webpages.charter.net/acito/tripod_rotor.jpg
> > >
> > > Mounting a cheap TV rotor in the plane of a AO-40 pass...  based on a
> quick
> > > look at the "radar" view in Nova, this should be usable from MA 35 to
> 235
> > > (before AO-40 appears to retrograde).
> >
> > Yes, just tilt the rotator pipe to point to the North Star and you got
> > it.  This is the low budget way to follow AO-40 with one motor just like
> > any Satellite TV dish since AO-40's track across the sky is always
within
> > about 10 deg of the geostationary satellite arc and only changes very
> > slowly... see
> >
> > http://www.ew.usna.edu/~bruninga/ao40ant.html
> >
----
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