Subject: [IGSREPORT-350] GPS Earth orientation
From: Dennis McCarthy
Date: 25 JUN 1993 08:44:02

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IGS Electronic Report     25-JUN-1993 08:44:02       Message Number 350
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From: Dennis McCarthy
Subj: GPS Earth orientation
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Date:     24 June 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   368  -1.74 -0.50          0.62  0.78
             -49150.5     

CODE(ITRF91) 48800.5   355  -0.71 -0.55  -3.59   0.86  0.97  1.05 
             -49154.5

JPL          48794.5   318  -0.84 -0.09          0.77  0.78 
             -49143.5

ESOC         48794.5   357  -1.04 -0.93          1.38  1.71
             -49150.5

EMR          48830.5   282  -1.15  0.34          0.75  0.89
             -49157.5
                       202                0.18               0.94

GFZ          48997.5   158  -0.86  0.20          0.34  0.44
             -49150.5

NOAA         48988.5   149  -1.45 -1.25          0.94  1.40
             -49154.5

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

Regards,

Dennis McCarthy
  [email-masked]