[time-nuts] Garmin GPS12XL V3.51
Tony Finch
dot at dotat.at
Wed Apr 10 10:55:34 UTC 2019
Tom Van Baak <tvb at LeapSecond.com> 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 <dot at dotat.at> http://dotat.at/
Biscay: Northerly 3 or 4, occasionally 5 in east. Moderate. Showers, thundery
at first in south. Good, occasionally poor until later.
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