[amsat-bb] Re: RAFT is coming down! Grab telemetry

[Robert Bruninga]

> Any projection as to where it will re-enter? 

Not really, with an error of +/- 6  hours it can be anywhere
over half the world.  Even with an error of +/- 45 minutes, it
can be anywhere around the world (but under that last orbit's
path)...  Bob

> > -----Original Message-----
> > From: amsat-bb-bounces at amsat.org 
> [mailto:amsat-bb-bounces at amsat.org]On
> > Behalf Of Robert Bruninga
> > Sent: Tuesday, May 29, 2007 7:03 PM
> > To: amsat-bb at amsat.org
> > Subject: [amsat-bb] Re: RAFT is coming down! Grab telemetry
> >
> >
> > RAFT is de-orbiting within the next 12 hours or so.
> >
> > It will arrive much earlier than any prediction based on
> > Keplarian Elements because they are always too old.  Best
bet is
> > to start 20 minutes early and point your beam towards AOS
and
> > where it will get about 10 deg above the horizon and wait.
Then
> > manually follow the short 3 minutes along the track...
> >
> > - Who will get the last telemetry?
> > - How hot will it get before telemetry dies?
> >
> > We need worldwide operators collecting telemetry packets if
they
> > want to capture the last packet.
> >
> > See the live temperature plot on the RAFT-RE_ENTRY WEB
PAGE...
> > http://www.ew.usna.edu/~bruninga/craft/save-raft.html
> >
> > We particularly need data from the southern hemisphere where
the
> > passes are in the sun and will show the highest temps...
> >
> > Tune in 145.825 1200 baud AX.25 packet.  And even with a
small
> > antenna, on the two overhead passes per day, you should get
at
> > least one telemetry packet.  They are every 10 seconds..
Each
> > one begins with a unique serial T#nnn and so we can merge
> > different captures from different folks.
> >
> > Bob, WB4APR
> >
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