[time-nuts] Positional accuracy of the M12+T
Hal Murray
hmurray at megapathdsl.net
Wed Jan 3 17:23:04 EST 2007
> A spherical error volume is a crude approximation, actually it is an
> ellipsoidal with as the height error is usually significantly larger
> than the other positional errors which also may have different rms
> errors.
Why is the height error usually larger? Is that just geometry? Do I get
good height data if there is a satellite close to overhead?
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