Re: TLEs for ASTRA 1F

Sat, 22 Nov 1997 00:59:33 -0500 (EST)

On Fri, 21 Nov 1997, Johannes Mueller wrote:
> Jay Respler replied to Bruno Tilgner:
> >I've seen many sync sats, but there are also many I have not seen when I 
> >looked for them.  I thought it was because they were too faint.
> One reason for this could be the observing time. Geosyncs change in
> brightness which depends on the sun-observer-satellite angle (the
> Astras do so).

I do take that into consideration.  Using HIGHFLY, I make predictions for 
every sync sat every 10 minutes through the night.  I look for each one 
at the time of maximum predicted brightness.  Therefore, time and all 
angles are accounted for.

 Jay Respler
    Satellite Tracker * Early Typewriter Collector
               Freehold, New Jersey