Tom Van Baak <[email protected]> wrote: > > There's another relatively simple clue in the old GPS signal: the leap > > second count! > > The idea was proposed 20+ years ago, Trimble even has a patent on it. > Details here: > > http://leapsecond.com/notes/gpswnro.htm
Oh, wonderful :-) > But it turns out not to work. Earth rotation is too difficult to predict > 20, 40, or 60 years into the future. I was thinking in terms of getting a bit more lifetime than 20 years from the firmware compilation date, but as you say it isn't reliable enough to get much more than 20 years. Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ Biscay: Northerly 3 or 4, occasionally 5 in east. Moderate. Showers, thundery at first in south. Good, occasionally poor until later. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
