[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?


-- 
These are my opinions, not necessarily my employer's.  I hate spam.






More information about the time-nuts mailing list