[IGSREPORT-481] GPS Earth orientation

[Dennis]

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IGS Electronic Report     10-SEP-1993 08:52:31       Message Number 481
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>From: Dennis McCarthy
Subj: GPS Earth orientation
---------------------------


Date:     9 September 1993


An updated look at Earth orientation data submitted to the IERS
follows.  Units are milliseconds of arc for x and y, and
milliseconds of time for UT1-UTC.


Contributor Data Span Points       Mean          Standard
Deviation
                                (NEOS-GPS)
                              x     y  UT1-UTC    x     y UT1-UTC

Scripps      48780.5   438  -1.78 -0.44          0.61  0.79
             -49220.5

CODE(ITRF91) 48800.5   433  -0.75 -0.67  -3.99   0.82  0.93  1.31
             -49232.5

JPL          48794.5   402  -0.83 -0.16          0.72  0.73
             -49227.5

ESOC         48794.5   441  -1.04 -0.83          1.27  1.59
             -49234.5

EMR          48830.5   359  -1.27  0.18          0.73  0.88
             -49234.5
                       263                0.17               0.84

GFZ          48997.5   235  -0.85  0.23          0.37  0.43
             -49227.5

NOAA         48988.5   222  -1.42 -0.77          0.96  1.50
             -49229.5

Plots of the residuals are available by FAX to anyone interested.

Regards,

Dennis McCarthy
  dmc at maia.usno.navy.mil