Hi Slipped a digit, 5x10^-13 should be 5x10^-14
Bob On Jun 3, 2010, at 7:08 PM, Bob Camp wrote: > Hi > > In this paper: > > TOTAL HADAMARD VARIANCE: APPLICATION TO CLOCK STEERING BY KALMAN FILTERING by > Dave Howe , Ron Beard , Chuck Greenhall , Franc ̧ois Vernotte and Bill Riley > > http://tf.nist.gov/general/pdf/1459.pdf > > Figure 2 actually refers to: > > Navstar Quarterly Report 00-3, Space Application Branch, NRL, Wash D.C. 20 > July 2000. > > The report apparently describes the level of variance on the various GPS > satellites versus tau for the first half of 2000. Bottom line appears to be > that 5x10^-13 is about as good as it gets out to 20 day tau unless you can > pick your sats. > > Obviously this data is a bit dated. > > Is this data updated on a regular basis? Is it published somewhere? Can one > get a look at it without risking a long term stay in Federal prison? It > certainly would be useful to those trying to tweak GPSDO's. > > Bob > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
