[time-nuts] BYMLBI (Back Yard Medium LBI)

jimlux jimlux at earthlink.net
Fri Mar 18 23:31:26 EDT 2011

> That's an interesting idea, but I think all the orbit data for GPS satellites
> is Earth relative rather than star relative.  I wonder if the group that
> drives the GPS satellites even knows their location relative to the stars.
> I'll bet not.

I'll bet they do. Lots of earth orbiting satellites use star trackers 
for position determination.

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