[IGSREPORT-360] GPS Earth orientation

[Dennis]

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IGS Electronic Report      2-JUL-1993 08:47:45       Message Number 360
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>From: Dennis McCarthy
Subj: GPS Earth orientation
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Date:     1 July 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   375  -1.74 -0.48          0.63  0.78
             -49157.5     

CODE(ITRF91) 48800.5   361  -0.70 -0.57  -3.61   0.86  0.97  1.06 
             -49160.5

JPL          48794.5   318  -0.84 -0.09          0.77  0.78 
             -49143.5

ESOC         48794.5   364  -1.04 -0.92          1.37  1.70
             -49157.5

EMR          48830.5   289  -1.17  0.32          0.76  0.88
             -49164.5
                       208                0.18               0.93

GFZ          48997.5   165  -0.85  0.21          0.37  0.45
             -49157.5

NOAA         48988.5   158  -1.41 -1.18          0.97  1.41
             -49163.5

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

Regards,

Dennis McCarthy
  dmc at maia.usno.navy.mil