Yo Hal! On Mon, 19 Mar 2018 12:41:46 -0700 Hal Murray <[email protected]> wrote:
> Perhaps we should setup a simple UDP server that responds with the
> UT1-UTC offset. The idea is that you can get a good UTC via GPS or
> good local NTP servers.
How about the client just downloads the daily UT1 to UTC correction
data, then adjusts UTC(GPS)?
http://maia.usno.navy.mil/ser7/ser7.dat
Here is a sample of this week's report:
IERS Rapid Service
MJD x error y error UT1-UTC error
" " " " s s
18 3 9 58186 0.00803 .00009 0.36036 .00009 0.157823 0.000011
18 3 10 58187 0.00857 .00009 0.36159 .00009 0.157100 0.000006
18 3 11 58188 0.00974 .00009 0.36269 .00009 0.156399 0.000004
18 3 12 58189 0.01137 .00009 0.36401 .00009 0.155694 0.000003
18 3 13 58190 0.01283 .00009 0.36560 .00009 0.154949 0.000065
18 3 14 58191 0.01385 .00009 0.36737 .00009 0.154118 0.000065
18 3 15 58192 0.01450 .00009 0.36927 .00009 0.153196 0.000055
Looks to me about a kinda sort maybe 1 micro second per day shift.
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
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