Re: [amsat-bb] AO-40 Update 2003-04-17

[John Morley <amsat@xxxxxxxxxxxxxxxxx>]

Stacey,

Your report begs the question of "What happened to the plans to transition 
AO-40 to 3 axis stabilization"? The last report (that I remember) occurred 
sometime at the end of last summer, and included a detailed plan (posted in 
German @ amsat-dl.org) to incrementally attempt 3 axis stabilization (so as 
to recover if things went south) beginning in Nov. 2002 when conditions 
were favorable. Since that time, I haven't heard any further information. A 
quick scan of the amsat-dl archives reveals no further discussion of this 
topic. Have I simply missed the follow-up, or is there no new news?

Thanks,

John


   At 03:56 PM 4/17/2003 -0400, you wrote:


>AO-40 is continuing to drift "downward" in ALON as predicted.  This is 
>making the squint/range combination less favorable for passband use.  In 
>addition, the solar angle is worsening and will shortly exceed 45 degs, 
>limiting available power and warming the spacecraft considerably as the 
>sun swings across the omni end of the spacecraft.  The AO-40 passbands 
>will be turned off at MA=240 (23:50 UTC) on Saturday 4/19.  They will 
>remain off for about 4 weeks (or slightly less) until conditions improve.
>
>---W4SM for the AO-40 Command Team
>
>
>
>--
>  ________________________________________________________________________
>  Stacey E. Mills, W4SM    WWW:    http://www.cstone.net/~w4sm/ham1.html
>    Charlottesville, VA     PGP key: http://www.cstone.net/~w4sm/key
>  ________________________________________________________________________
>----
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