[IGSREPORT-468] Earth Orientation

[Dennis]

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IGS Electronic Report      3-SEP-1993 08:45:03       Message Number 468
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>From: Dennis McCarthy
Subj: Earth Orientation
-----------------------


Date:     2 September 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   424  -1.77 -0.43          0.62  0.80
             -49213.5

CODE(ITRF91) 48800.5   425  -0.75 -0.66  -3.93   0.82  0.93  1.26
             -49224.5

JPL          48794.5   395  -0.83 -0.15          0.72  0.74
             -49220.5

ESOC         48794.5   434  -1.04 -0.83          1.28  1.60
             -49227.5

EMR          48830.5   352  -1.26  0.19          0.74  0.89
             -49227.5
                       257                0.16               0.84

GFZ          48997.5   228  -0.85  0.24          0.37  0.44
             -49220.5

NOAA         48988.5   215  -1.42 -0.80          0.98  1.50
             -49222.5

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

Regards,

Dennis McCarthy
  dmc at maia.usno.navy.mil