[IGSREPORT-373] GPS Earth orientation

[Dennis]

***********************************************************************
IGS Electronic Report      9-JUL-1993 08:55:44       Message Number 373
***********************************************************************
 

>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   382  -1.74 -0.47          0.63  0.79
             -49164.5     

CODE(ITRF91) 48800.5   369  -0.72 -0.59  -3.64   0.86  0.97  1.06 
             -49168.5

JPL          48794.5   325  -0.84 -0.10          0.77  0.79 
             -49150.5

ESOC         48794.5   371  -1.03 -0.92          1.36  1.69
             -49164.5

EMR          48830.5   294  -1.17  0.31          0.75  0.88
             -49169.5
                       212                0.19               0.92

GFZ          48997.5   179  -0.84  0.23          0.39  0.45
             -49171.5

NOAA         48988.5   162  -1.43 -1.18          0.98  1.42
             -49167.5

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

Regards,

Dennis McCarthy
  dmc at maia.usno.navy.mil