Subject: [IGSREPORT-0717] JPL Analysis Report (week 730)
From: David C. Jefferson
Date: Wed, 19 Jan 1994 10:56:31 PST

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IGS Electronic Report    Wed Jan 19 10:56:31 PST 1994      Message Number 0717
******************************************************************************

Author: David C. Jefferson
Subject: JPL Analysis Report (week 730)

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JPL ANALYSIS REPORT   GPS-WEEK 0730 (DAYS 2-8, DATES 02-1-94 TO 08-1-94)
******************************************************************************

Submitted by

D C Jefferson, J F Zumberge, G Blewitt, M B Heflin, F H Webb

all at the Jet Propulsion Laboratory, California Institute of Technology, 
Pasadena, CA  91109.

Files listed below are available in Unix compressed format and can be
retrieved using anonymous ftp to sideshow.jpl.nasa.gov (128.149.70.41),
directory pub/jpligsac/0730.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename               contents
______________________________________________________________________________
jpl07307.sum           This text file.
jpl07307.erp           Earth rotation parameters for GPS week 730.
jpl0730[0-6].sp3       GPS ephemerides for GPS week 730, sp3 format.
______________________________________________________________________________

Beginning January 1, 1994, (not shown in this report) we are using the ITRF92
site coordinates and the ITRF92 velocity field for sites used in our global
analyses.  The official ITRF92 coordinates and velocities were modified
according to the two updates by Zuheir Altamimi; see IGS Mail Messages #421
and #430.  Additionally, we now constrain 13 sites as fiducials instead of 8,
which were agreed upon at the IGS Analysis Center Workshop in Ottawa, Canada
(October, 1993).

We separately analyzed days 001 and 002 (Jan 1, 2) using coordinates from both
the new and old terrestrial reference frames (ITRF92 w/13 constrained sites;
ITRF91 w/8 constrained sites). In order to expedite processing, a well-
distributed subset of 25 sites was used for these comparisons.  The following
offsets were computed between the two strategies (ITRF92-ITRF91): 

                                              Jan 1   Jan 2
                                             ------- -------
              X-POLE                [mas] =   -0.82   -0.83 
              Y-POLE                [mas] =   -0.21    0.14
              ORBITS        (3d-rms)  [m] =    0.15    0.16
              SITE POSITION (3d-rms) [cm] =    2.5     2.6

WARNING: No warnings for GPS week 730.

JPL LODR TABLE                               GPS week 730 (1994 Jan 02 - Jan 08)
  MJD       LODR     +/-
          (ms/day)
 49354.5    2.32     0.04
 49355.5    2.19     0.04
 49356.5    2.18     0.04
 49357.5    2.31     0.04
 49358.5    2.39     0.04
 49359.5    2.33     0.04
 49360.5    2.37     0.03
END LODR TABLE

NOTE: In the following table, UT1R-UTC are the assumed nominal values from
IERS Bulletin-B predicts; estimated LODR values are given in the previous
table. See IGS Mail Message 97 for details.

JPL UTPM TABLE                               GPS week 730 (1994 Jan 02 - Jan 08)
  MJD       X        Y       UT1R-UTC XSIG    YSIG   UTSIG  RMS  XYC  XUC  YUC STA SAT PASS    
           ''        ''        sec     ''     ''      sec
 49354.5   .01432   .47700   .19404  .00012  .00014  .00000  .0  .04  .00  .00  25 26  0
 49355.5   .01650   .47818   .19152  .00010  .00011  .00000  .0  .04  .00  .00  37 26  0
 49356.5   .01959   .47852   .18901  .00011  .00012  .00000  .0  .06  .00  .00  40 26  0
 49357.5   .02243   .47943   .18651  .00010  .00011  .00000  .0  .06  .00  .00  37 26  0
 49358.5   .02518   .48017   .18402  .00010  .00011  .00000  .0  .05  .00  .00  37 26  0
 49359.5   .02825   .48071   .18154  .00011  .00011  .00000  .0  .06  .00  .00  37 26  0
 49360.5   .03126   .48092   .17908  .00010  .00011  .00000  .0  .05  .00  .00  37 26  0
END UTPM TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 730:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 730 (1994 Jan 02 - Jan 08)
      94  1  2   94  1  3   94  1  4   94  1  5   94  1  6   94  1  7   94  1  8
prn   3d rss (m)
  1       0.36       0.40       0.45       0.38       1.07       1.24       0.50
  2       0.30       0.40       0.23       0.21       0.26       0.34       0.45
  3       1.07       0.24       0.25       0.22       0.21       0.28       0.13
  4       0.66       0.72       0.52       0.24       0.32       0.42       0.21
  5       0.62       0.66       0.46       0.48       0.69       0.91       0.58
  7       0.51       0.80       0.27       0.26       0.39       0.40       0.18
  9       0.66       0.33       0.40       0.42       0.51       0.77       0.39
 12       0.87       0.74       0.81       0.93       0.65       0.69       0.24
 13       0.50       0.45       0.46       0.51       0.54       0.56       0.53
 14       0.37       0.52       0.29       0.49       0.31       0.31       0.50
 15       0.33       0.39       0.29       0.25       0.30       0.36       0.37
 16       0.17       0.31       0.30       0.34       0.94       0.75       0.37
 17       0.20       0.37       0.37       0.69       0.22       0.22       0.11
 18       0.22       0.36       0.13       0.24       0.22       0.14       0.25
 19       0.21       0.29       0.23       0.21       0.34       0.32       0.18
 20       0.73       0.52       0.56       0.50       0.78       0.80       0.40
 21       0.34       0.41       0.30       0.44       0.42       0.45       0.56
 22       0.42       0.16       0.20       0.24       0.14       0.19       0.08
 23       0.66       0.19       0.25       0.51       0.49       0.65       0.77
 24       0.33       0.37       0.39       0.30       0.53       0.65       0.22
 25       0.23       0.15       0.10       0.09       0.20       0.19       0.27
 26       0.47       0.25       0.31       0.19       0.71       1.04       0.59
 27       0.30       0.17       0.31       0.20       0.23       0.10       0.19
 28       0.41       0.22       0.18       0.14       0.17       0.22       0.22
 29       0.23       0.12       0.16       0.16       0.13       0.15       0.20
 31       0.27       0.56       0.42       0.23       0.34       0.40       0.34
_______________________
END ORBIT REPEATABILITY TABLE

As described in IGS Mail Message 37, the following table compares the JPL
precise ephemerides with those from the broadcast ephemeris:

JPL COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
      94  1  2   94  1  3   94  1  4   94  1  5   94  1  6   94  1  7   94  1  8
prn   3d rss (m)
  1       3.6        2.0        3.8        6.0        2.9        5.0        3.9 
  2       3.6        3.6        6.1        7.4        6.1        4.7        6.0 
  3      11.8       12.0       11.3       11.4       11.1       12.7       12.7 
  4      15.9       14.6       15.3       24.2       14.4        6.0        6.0 
  5       6.3        5.4        5.6        5.8        5.6        5.8        8.4 
  7       4.9        4.5        4.1        4.1        4.0        3.9        4.1 
  9       4.0        4.1        4.7        4.2        4.1        4.1        4.7 
 12       3.1        4.2        5.0        4.5        3.0        3.0        3.1 
 13       5.5        6.9        5.3        7.7       10.8        5.9        7.9 
 14       3.7        1.6        3.1        4.9        4.1        3.0        3.5 
 15       8.5        9.2       11.5        6.0        6.6        7.6        7.7 
 16       4.0        5.7        2.7        4.0        3.8        4.3        3.5 
 17       9.3       11.2        8.9        7.9        9.5        7.3        6.6 
 18      11.6        6.5        8.8        9.0       15.8        7.9       11.6 
 19       3.9        4.3        7.7        5.5        5.8        5.8        6.7 
 20       5.3        4.8        4.5        5.5        4.8        4.3        4.5 
 21       2.6        3.5        3.6        4.4        6.8        4.7        4.6 
 22      10.9       11.4       10.2       10.3        9.9        7.3        6.3 
 23       3.9        5.0        6.4        6.0        4.8        6.6        3.6 
 24       9.0        9.6       11.5       13.3       14.9       15.5       14.9 
 25       7.8        7.4        8.3        8.3        9.1        7.2        7.5 
 26       4.2        5.6        7.2        5.6        4.7        5.4        4.9 
 27      10.8        9.3       10.1        9.5        8.5        8.6        7.7 
 28       3.9        4.0        5.1        3.8        4.1        4.6        3.4 
 29       5.5        4.3        6.4        6.1        5.7        5.4        6.6 
 31       6.1        7.4        7.7        7.9        7.0        5.0        4.8 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

The following tables, as explained in IGS Report Nos. 99 and 295, indicate the
amount of global network tracking data used in this week's analysis:

JPL SITE SUMMARY TABLE (no. stations)        GPS week 730 (1994 Jan 02 - Jan 08)
      94  1  2   94  1  3   94  1  4   94  1  5   94  1  6   94  1  7   94  1  8
Fiducial 11.7       11.8       11.8       12.1       11.7       11.8       12.0
Total    26.3       38.2       41.8       39.0       38.1       38.5       39.5
END SITE SUMMARY TABLE

JPL GROUND STATION INCLUSION TABLE           GPS week 730 (1994 Jan 02 - Jan 08)
      94  1  2   94  1  3   94  1  4   94  1  5   94  1  6   94  1  7   94  1  8
site    % data
ALBH      109        109        108        111        108        105        107
ALGO*     109        107        106        106         91        102         94
BRMU        0         89        103         90         98         96         97
CASA      100         91         68         50         70        107        110
DRAO        0          0        107          0          0          0          0
FAIR*     116        109        107        117        116        116        117
FORT      111        112        112        113        109        111        112
GODE        0        105        105        101         78         64        102
GOLD*      98         99         99        101         95         99         94
GRAZ        0          0        107          0          0          0          0
HART*     111        111        109        112        108        106        111
HARV       89         41        109        108         98        108        110
HERS        0        105        105        106        106        106        108
HOBA        0        107        109        109        110        109        109
JPLM      111        110        109        113        109        112        113
KIRU        0          0        103          0          0          0          0
KOKB*     105        104        111        114        109        102        113
KOSG*      86        103        105        109        107        106        107
KOUR        0        111        106        106        105        109        110
MADR*     107        108        104        107        104        105        106
MASP        0        104        104        105        108        110        111
MATE        0         99        106        111        110        109        111
MDO1       99         99         99         98        103        107        109
METS        0        110        105        109        108        106        107
NLIB        0         97         98         99         89         95         99
NYAL      107        113        113        115        113        106         92
PAMA      104        104        107        108        107        101        106
PIE1        0        104        101        102         98         99        100
QUIN      108        102         79        107         90         83        110
RCM5      107        107        109        109        103        106        109
SANT*     112        112        107        111        109        108        111
STJO      109        110        108        108        105        108        107
TAIW        0        100          0        101        112        107        112
TIDB*      87         84         87         86         88         89        112
TROM*     111        109        111        107        109        113        116
USUD      104        108        107        108        108        110        110
VNDP        0          0        108          0          0          0          0
WEST        0        109        107        107        105        107         97
WETT*     110        109        107        107        102        101         84
YAR1*     107        109        109        111        112        109        113
YELL*     113        113        113        115        113        115        115
_______________________
*Indicates fiducial site; #indicates deweighted site.
END GROUND STATION INCLUSION TABLE

As described in IGS Report No. 634, the table below indicates the repeatability
of clock solutions for all satellites and stations used in this week's analysis:

JPL CLOCK REPEATABILITY TABLE                GPS week 730 (1994 Jan 02 - Jan 08)
      94  1  2   94  1  3   94  1  4   94  1  5   94  1  6   94  1  7   94  1  8
comp log10(rms/ps)
PRN01     2.8        2.5        2.8        2.7        2          2          2.6
PRN02     2.6        3.0        2.8        2.7        2.6        2.7        3.0
PRN03     2.9        2.4        2.8        2.3        2.6        2.5        2.2
PRN04     3.0        2.9        2.8        2.6        2.9        3.4        2.6
PRN05     2.8        2.9        2.7        2.7        2.4        2.9        3.1
PRN07     2.6        3.0        2.9        2.7        2.8        2.7        2.7
PRN09     3.0        2.6        2.7        2.5        3.1        2.7        2.7
PRN12     2.7        2.8        2.9        2.7        3.0        2.9        2.7
PRN13     2.8        2.9        3.0        2.8        2.9        3.0        2.6
PRN14     2.9        2.8        2.8        2.8        2.9        3.0        2.7
PRN15     2.8        3.0        2.8        2.5        2.7        2.6        2.6
PRN16     2.7        2.7        2.4        2.5        2.7        3.1        2.6
PRN17     3.0        2.7        2.8        3.1        3.0        2.7        2.6
PRN18     2.4        2.6        2.4        2.3        1.9        2.1        2.4
PRN19     2.8        3          2.9        2.7        2.9        2.6        2.6
PRN20     2.8        3.0        3.0        2.9        3.0        2.8        2.4
PRN21     2.3        2.9        2.6        2.8        2.9        3.1        3.0
PRN22     2.0        2.7        2.6        2.6        2.1        2.6        2.3
PRN23     2.9        2.4        2.7        2.8        2.8        3.0        3.2
PRN24     2.9        3.0        2.9        2.8        2.6        3.2        2.4
PRN25     2.8        2.5        2.3        2.5        2.8        2.4        2.8
PRN26     2.6        2.6        2.6        2.6        2.9        3.3        2.3
PRN27     2.9        2.6        2.8        2.7        2.8        2.6        2.8
PRN28     2.6        2.7        2.3        2.6        2.4        2.7        2.5
PRN29     2.6        2.6        2.5        2.4        2.6        2.5        2.5
PRN31     2.4        2.9        2.7        2.7        2.5        2.7        2.5
ALBH      2.1        1.9        1.9        2.1        2.6        2.5        2.2
BRMU                 3          2.6        2.1        2.5        2.5        2.4
CANB      2.8        3.0        2.6        2.7        2.2        2.2        2.4
FAIR      2.0        2.2        2.3        2.2        2.1        2.6        2.2
FORT      2.7        2.2        2.5        2.1        2.6        2.7        2.3
GODE                 3          2.5        3.0        1.9        2.2        2.4
GOLD      2.3        2.4        2.1        2.2        2.6        2.4        2.4
HART      2.6        2.1        2.5        2.7        2.6        2.7        2.4
HARV      2          3          2.3        2.3        2.6        2.3        2.2
HERS                 3          3.2        2.6        3.0        3.0        3.4
HOBA                 2          2.3        2.7        2.6        2.6        2.5
JPLM      2.0        2.0        2.0        1.7        2.5        2.0        2.2
KOKB      3.5        4.0        3.3        2.9        2.7        3.9        3.6
KOSG      2          2.3        1.9        1.7        2.4        2.1        2.2
KOUR                 3          3.1        2.4        3.1        2.5        2.4
MADR      2.4        2.2        2.4        2.5        2.7        2.3        2.6
MASP                 3          3.0        3.2        3.4        3.3        3.1
MATE                 2          2.6        2.4        2.5        2.6        2.3
MDO1      2.8        3.0        2.9        3.1        2.6        2.6        2.9
METS                 2          2.6        2.8        3.1        2.6        3.5
NALL      2.3        2.1        2.0        1.3        2.0        1.7        1.8
NLIB                 2          2.8        2.8        2.5        2.6        2.6
PAMA      2.6        3.0        2.0        2.8        2.7        3.2        2.4
PIE1                 3          2.5        2.6        2.1        2.6        2.4
QUIN      2.6        2.8        2.5        2.8        2.6        2.5        2.7
RCM5      2.7        2.6        2.7        2.5        2.4        2.6        2.7
SANT      2.8        2.7        2.6        2.7        2.8        2.9        2.7
STJO      3.7        3.7        3.0        3.7        3.5        3.1        3.6
TAIS                                       2          2.1        2.5        2.3
TROM      1.5        2.5        2.3        2.0        2.4        2.2        2.1
USUD      2.4        2.3        2.5        2.4        2.0        2.4        2.0
WEST                 3          2.7        1.8        2.3        2.2        2  
WETB      2.5        2.7        2.3        2.3        2.5        2.5        3  
YAR1      2.9        2.5        2.4        2.5        2.5        2.7        2.3
YELL      3.2        3.2        2.7        2.6        2.5        2.2        2.2
_______________________
END CLOCK REPEATABILITY TABLE