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Re: Clarification of attitude change AO40



I believe they are moving to alon/alat 270/0.

Take a look at w4SM's ALON chart.
http://www.cstone.net/~w4sm2/software2/ALON.gif

Since the intent is to add energy to the orbit you want the thrust to be in
the same direction and plane as the orbital motion.  Remember, the arcjet is
on the side opposite the 400n motor.  To raise the perigee height you apply
the thrust at apogee.

Lee-KU4OS

----- Original Message -----
From: "Phil Howe" <phil@bluedolphinvillas.com>
To: <amsat-bb@AMSAT.Org>
Sent: Monday, May 21, 2001 17:07 PM
Subject: [amsat-bb] Clarification of attitude change AO40


> Hi and thank you for reading this,
>
> I note with interest the update report from Peter DB2OS,
>
> ALON/ALAT is 4/1, but magnetorquing to a new S/C attitude
> for the Arcjet burn is under way.
>
> Can anyone please confirm AO40's proposed attitude change, and how this
may
> differ from its environment.
>
> Thanks in anticipation,
>
>
> Phil
>
> G4IIO
>
> ----
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>

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