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Re: AO-27 Schedule driver?



> The _last_ time AO-27 was running under TOPR schedule, 
> the satellite turned on on ascending passes at roughly 
> 30 degrees N lattitude for 360 seconds. 
> Should be similar this time.

Drew, thanks.  I am reading email in reverse order, so sorry
about not seeing this email first.  Thanks. This gives the
needed bits to infer the "rule" that is driving the schedule.
That is,
1) ascending pass.
2) passing approximately 30 deg N latitude

Thanks!  This is easy to see on any satellite tracking
program...
I wonder if it could be added to the AO-27 web page...

Bob, WB4APR

> ----- Original Message ----- 
> From: "Robert Bruninga" <bruninga@usna.edu>
> To: "'Howard Stephenson - K6IA'" <hlstephenson@gmail.com>; 
> <amsat-bb@amsat.org>
> Sent: Thursday, January 18, 2007 9:07 AM
> Subject: [amsat-bb] AO-27 Schedule driver?
> 
> 
> > Regarding AO-27:
> >
> > Fantastic news about AO-27.  Gives us something to use at
> > schools to demo AMSATS...
> >
> > 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
> >
> > _______________________________________________
> > Sent via AMSAT-BB@amsat.org. Opinions expressed are those 
> of the author.
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> > 
> 
> 
> 

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