Satellite observations to track clock drift

From: Tony Beresford (
Date: Tue Mar 06 2001 - 17:31:27 PST

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    Fellow seesaters( analysts in particular),
    Rob Mcnaught,  is currently observing meteors with an
    intensified video camera and software running on an a PC
    which cannot be internet connected. With an 85mm lense 
    and a 11 degree field of view. Positional accuracy about 1 arcmin.
    The PC clock drifts rather badly. I recently checked out a satellite which 
    triggered the system ( ISS! ). It set me to wondering how accurately
    one could get a clock correcton by doing a satellite observation
    with such a system on something in a stable orbit. I rather think
    the limitation might be the SGP4/SGD4 system TLE's are based on.
    Tony Beresford
    Adelaide, So. Australia
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