[amsat-bb] Re: Preliminary AO-40 Keps -- Post Burn #1

[Yoshihiro Imaishi <imaishi@xxxxxxxxxxxx>]

Hello Ken, This is Yoshi.

At 2000/12/12 06:32:31 Ken Ernandes wrote:
> Below is the estimated post burn #1 Keplerian Elements for the AMSAT OSCAR
> 40 spacecraft.
<snip>
> AO-40
> 1 26609U 00072B   00346.67146000  .00000000  00000-0  00000-0 0    68
> 2 26609   6.4028 239.1973 7763693 192.2448   0.1497  1.57068165   527

  This morning (04:30〜06:30 Local / 19:30〜21:30z), I tried to
catch the first AOS signal from AO-40 after burn. It had come from
east sky at 4:54 (19:54z) with S-2.
  I calculated the AOS time at my QTH PM53JV with Calsat32 and this
element, and it says that should be 4:59 (19:59z) at Az.96 degree. 
Just 5 mins diff!. And the distance at 5:01 (20:01z) will be 45,500km,
so it will be suitable reason that the signal was only S-2 with my
6 ele YAGI-beam. 

  I logged V-MB telm. until 6:30 (21:30z). During this 2 hours, the
dopplar shift was +200〜300Hz (going up). My Calsat32 also says that
the moving should be +300Hz, so this element will tells us reliable
result enough to track.

  My Calsat32 also says that the LOS will come at 16:05 (07:05z) of
this afternoon. I world like to confirm it if possible.


Yoshihiro Imaishi JF6BCC/KH2GR
mailto:jf6bcc@jarl.com
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