Subject: [IGSREPORT-410] GPS Earth orientation
From: D. McCarthy
Date: 30 JUL 1993 09:58:45

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IGS Electronic Report     30-JUL-1993 09:58:45       Message Number 410
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From: D. McCarthy
Subj: GPS Earth orientation
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Date:     29 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   396  -1.74 -0.43          0.61  0.81
             -49178.5     

CODE(ITRF91) 48800.5   392  -0.74 -0.62  -3.74   0.84  0.96  1.11 
             -49191.5

JPL          48794.5   339  -0.84 -0.11          0.76  0.78 
             -49164.5

ESOC         48794.5   392  -1.03 -0.88          1.33  1.66
             -49185.5

EMR          48830.5   317  -1.21  0.26          0.74  0.89
             -49192.5
                       231                0.17               0.89

GFZ          48997.5   200  -0.84  0.25          0.37  0.45
             -49192.5

NOAA         48988.5   178  -1.42 -1.00          0.96  1.49
             -49183.5

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

Regards,

Dennis McCarthy
  [email-masked]