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RE: AO-40 DOA-- REPLY--



Just for the record. With a good downlink rig, one can copy the MB at MA 4+
with squints as high as 70+ degrees. I do it all the time... You must work
at it, but it is doable. Yesterday I was coping the MB in the MA 10+ and up
until the turn-on at MA 55ish 19:33U 1/25/03. The transponder likely would
be of little use at that squint, but MB yes..
Thank goodness the issue was fixed with a simple ground command, and there
was not anything massive wrong!!!!
73
Gunther
W8GSM

-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
Behalf Of Andrew Glasbrenner
Sent: Saturday, January 25, 2003 8:00 PM
To: Jon Ogden; AMSAT-BB@AMSAT.Org
Subject: Re: [amsat-bb] AO-40 DOA


Your assumption is dead wrong. Lots of us routinely work the satellite at a
squint of 25. In addition the bird is so close at that point that it's often
louder than at apogee, just with QSB.

73, Drew, KO4MA

> Looking at a 3D projection of the orbit, it looks to me that even at 25
> degrees or so squint, the possibility was that the beacon would just be
too
> weak to hear.  Perhaps in some orientations of the bird at particular
points
> in the orbit, that's the case.
>
> That's what I'm assuming.
>


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