[amsat-bb] Re: keps for earthbound objects
kq6ea at pacbell.net
Mon Aug 13 14:04:39 PDT 2007
I've never used Predict for tracking, but most rotor
control programs allow you to specify a set of fixed
coordinates to "park" the antenna. Maybe something
like that would work for you?
73, Jim KQ6EA
--- Eric Fort <eric.fort at gmail.com> wrote:
> The antennas in this case are fixed, though a
> movable solution would be
> nice. the problem is how to get the tracking
> program to point the antennas
> at a fixed spot and keep them pointed there. I'm
> considering the assembly
> of a sat-gate that will do double duty on sats and
> terrestrial work so the
> antennas need to be able to "track" both types of
> targets. notice the
> quotes around "track"...ultimately I'd like to just
> specify an oblect (norad
> catalogue number or lat/lon) remotely and have the
> antennas point and remain
> pointed at the object as my station and/or the
> remote station (object)
> moves. Im thinking to just have the tracking
> program pull the right set of
> keps....but I need to create them first! I'm also
> open to ways to do this
> in ways that may be easier. suggestions are
> On 8/13/07, Glenn Little WB4UIV
> <glennmaillist at bellsouth.net> wrote:
> > I guess that you have the rotor on a moveable
> platform such as a truck,
> > spacecraft. watercraft, etc.
> > The look angle to the fixed object is the
> reciprocal of the angle
> > generated
> > by the tracking program.
> > It should work if the antennas are mounted 180
> degrees from where they
> > would normally be mounted.
> > 73
> > Glenn
> > WB4UIV
> > At 05:13 AM 08/13/07, Eric Fort wrote:
> > >at certain times I would like an automated az-el
> rotor run by predict to
> > >"track" a fixed point on earth, say for instance
> a local mountain top.
> > >could a set of keps be derived such that this
> just looks like yet another
> > >satellite? How would this be done? Is there an
> easier way?
> > >
> > >
> > >KG6KQT
> > >_______________________________________________
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