); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY From: "Tom Van Baak" <[EMAIL PROTECTED]> Subject: Re: [time-nuts] HP 523B frequency counter & Sputnik Date: Thu, 4 Oct 2007 12:07:10 -0700 Message-ID: <[EMAIL PROTECTED]>
> ); 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, Ehem! 50-year old Sputnik. Please! Tom, you are a decade behind. I think you need a better time-piece at home since none of them keep the time with a MTIE of 10-year. > is 30-year old NTS-2 (cesium in space) the father of GPS? See: > > http://www.leapsecond.com/history/Ashby-Relativity.htm Cheers, Magnus _______________________________________________ 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.
