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Re: AO-27 Schedule driver?



> Subject: [amsat-bb] Re: AO-27 Schedule driver?
> 
> As near as I can tell, it is now on a strictly time-driven, 
> repeating schedule lasting 1:40:48, with the analog mode 
> starting 20 seconds into the schedule and lasting 6 minutes.

Ah, thanks.  Now we are getting close.  That is exactly one
orbit, so they are turning it on for 6 minutes at the same
"latitude" every orbit.  Now, if I just understood what that
target latitude is, then again, that is all anyone needs to know
to always predict when AO-27 is intended to be on, without
having to refer to any special programs or tools.    Thanks,
Bob, WB4APR

> > I think I have read most of the pages, but I cannot find the
one
> > thing I am looking for, and that is the top-level "rules"
that
> > are driving the new scheduling.  I am not talking about code
or
> > epoc or anything like that, but simply, the human logical
> > "rules" that tell the schedule, what to schedule...
> >
> > In the past, the TEPR algorithm was very simple and could be
> > explained as "time since entering the sun".  This was easy
to
> > interpret and anyone could easily visualize or "see" what
this
> > meant realitive to his time of day, and location.  Nothing
> > needed to be consulted...  Just look at the track of the
> > satellite on the map and your relation to the terminator,
and
> > you know if it is useable..
> >
> > The TOPR schedule seems to be wholy "time" driven from EPOC,
but
> > I have not been able to find what the top-level "rules" are
that
> > drive that algorithm so that I can learn to visualize it.
The
> > new on-line "schedules" are teriffic, and a good example of
> > computer dissimination of live info, but it requires
detailed
> > consultation of printed schedules daily and having to match
> > times with orbits, I'd rather just understand what the
scheduler
> > "intended".
> >
> > Is this new schedule system still driven by the simple rule
of
> > "turning it on for X minutes after entering the sun"? Or is
it a
> > smarter rule that says "turn on over USA, Europe, Australia
and
> > Japan?" or, "turn on over those countries only while in the
> > sun", or, turn on for 10 minutes out of every hour, or what?
> >
> > So, can someone point me to this top-level "rule" that is
used
> > to drive the schedule?  For routine operations, it is easier
to
> > learn the rule, than to have to look at a schedule every
day...
> >
> > Thanks
> > Bob, Wb4APR
> >
> > _______________________________________________
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> of the author.
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> 
> _______________________________________________
> Sent via AMSAT-BB@amsat.org. Opinions expressed are those of 
> the author.
> Not an AMSAT-NA member? Join now to support the amateur 
> satellite program!
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> 

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