[IGSREPORT-301] GPS Earth Orientation

[Dennis]

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IGS Electronic Report     29-MAY-1993 13:38:16       Message Number 301
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>From:  Dennis McCarthy
Subj:  GPS Earth Orientation
----------------------------


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   291  -1.64 -0.66          0.63  0.69
             -49101.5     

CODE(ITRF91) 48800.5   327  -0.66 -0.47  -3.48   0.87  0.96  1.03 
             -49126.5

JPL          48794.5   283  -0.82 -0.07          0.77  0.78 
             -49108.5

ESOC         48794.5   329  -1.14 -0.93          1.42  1.76
             -49122.5

EMR          48830.5   254  -1.12  0.42          0.75  0.88
             -49129.5
                       182                0.15               0.99

GFZ          48997.5   119   1.37 -1.15          1.18  1.00
             -49122.5

NOAA         48988.5   126  -1.32 -1.44          0.89  1.30
             -49131.5

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

Regards,

Dennis McCarthy
  dmc at maia.usno.navy.mil