[ntp:questions] Accuracy of GPS satellite signal ?

Richard Eich richard.eich at domain.invalid
Fri Jan 26 20:30:07 UTC 2007

Paul.Croome at softwareag.com wrote...
> Richard,
> Try clicking on this link:
> http://tf.nist.gov/timefreq/time/gps.htm
> You can achieve precision anywhere between a few milliseconds and a few
> nanoseconds,
> depending on how much you are willing to invest. Have you asked
> yourself how much
> precision the application needs? You can almost certainly achieve it!

Great link, thank you.

The app needs 500ns precision.  We can set up GPS at each locality, 
but there was a concern about the relative accuracy of GPS receiver 
timestamps if they're sync'ing to different physical sats.

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