); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Tom: Hi Tom:
Is this a typo on the Ashby-Relativity.htm web page? "At present one cannot easily perform tests of relativity with the system because the SV clocks are actively steered to be within 1 microsecond of Universal Coordinated Time (USNO)." Have Fun, Brooke Clarke http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Cam Tom Van Baak wrote: > ); SAEximRunCond expanded to false > Errors-To: [EMAIL PROTECTED] RETRY > > >>Tom Van Baak wrote: >> >>>A little known piece of Sputnik history... >>> http://www.hparchive.com/Journals/HPJ-1957-09-Sputnik.pdf > > > Brooke Clarke wrote: > >>I think it's more than fair to say sputnik is the grandfather of GPS. > > > Yeah, my first thought when I ran across that HPJ article was, > wow, even the first satellite had -- an oscillator! The other thing > to note is that the combination of Sputnik and Dr. Peterson (at > Stanford) were the "space segment" and "user segment"; two > phrases familiar to anyone reading introductions to GPS. No > "control segment", however. > > If 40-year old Sputnik (quartz in space) is the grandfather, is > 30-year old NTS-2 (cesium in space) the father of GPS? See: > > http://www.leapsecond.com/history/Ashby-Relativity.htm > > /tvb > > > > _______________________________________________ > 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.
