RE: [amsat-bb] Oribt numbers and NORAD keps

[paul.willmott@xxxxxxx]

It seems like the orbit number in the NORAD keps varies, ... sometimes it is
right and sometimes its wrong.

I understand that NORAD call the first orbit 1 anyway, ... whereas we call
it zero.

The orbit number given in the telemetry stream is always correct however, so
have a look at it using AO40RCV when you can hear the beacon, ... then
compare it against what your tracking program says, ... adjust mentally as
necessary.

Cheers
Paul, VP9MU

-----Original Message-----
From: ne1h [mailto:ne1h@highrf.com]
Sent: Monday, December 17, 2001 12:51 PM
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] Oribt numbers and NORAD keps


Did anyone else notice that the orbit numbers that Stacey mentioned 
didn't match specifically with NOVA using the "516" keps for ao-40?

Did the orbit error creap back into the keps, or maybe it was never 
fixed that last time.

Anyway, Nova showed 1 orbit higher for the same date/time as stacey 
mentioned.

Can someone else confirm and if so, can we get NORAD to fix it.  It 
mades schedule changes tougher, when they are referenced by orbit # 
and MA if the tracking software displays the wrong orbit :)

Alan

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