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Weekly Solutions

The Read Me documentation provides formats for the data files listed on this page.
The statistical report for the contributed series is here.

Data

finals.all

all EOP values since 02 January 1973 (with 1 year of predictions).

finals2000A.all

all EOP values since 02 January 1973 with dX & dY using IAU2000A Nutation/Precession Theory (with 1 year of predictions).

finals.data

all EOP values since 01 January 1992  (with 1 year of predictions).

finals2000A.data

all EOP values since 01 January 1992 with dX & dY using IAU2000A Nutation/Precession Theory (with 1 year of predictions).

gpsrapid.out

all EOP values since 01 May 1992 (with 15 days of predictions).

mark3.out

Polar motion and UT1-UTC in tabular format (with 90 day predictions).  These are from the last Bulletin B.

Plots

Fit in X Fit in Y Fit in UT1-UTC

 

Residual Plot in X Residual Plot in Y Residual Plot in UT1-UTC

 

Polar Motion X-Y Plot (with linear trends removed)

 

IGS Comparison in UT

 

Calibration for USNO UTGPS

Bulletin A

latest issue of Bulletin A

USNO Master Clock Time
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