Subject: [IGSREPORT-422] GPS Earth orientation
From: D. McCarthy
Date: 6 AUG 1993 08:57:30

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IGS Electronic Report      6-AUG-1993 08:57:30       Message Number 422
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From: D. McCarthy
Subj: GPS Earth orientation
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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   410  -1.76 -0.42          0.61  0.81
             -49192.5     

CODE(ITRF91) 48800.5   398  -0.75 -0.63  -3.77   0.83  0.95  1.13 
             -49197.5

JPL          48794.5   346  -0.85 -0.11          0.75  0.77 
             -49171.5

ESOC         48794.5   399  -1.04 -0.86          1.32  1.65
             -49192.5

EMR          48830.5   324  -1.22  0.25          0.74  0.88
             -49199.5
                       237                0.17               0.88

GFZ          48997.5   200  -0.85  0.25          0.34  0.44
             -49192.5

NOAA         48988.5   193  -1.46 -0.89          0.96  1.51
             -49198.5

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

Regards,

Dennis McCarthy
  [email-masked]