Subject: [IGSREPORT-3241] Wk 0881 JPL Analysis Report
From: D C Jefferson
Date: Thu, 5 Dec 1996 11:17:00 PST

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IGS Electronic Report    Thu Dec  5 11:17:00 PST 1996      Message Number 3241
******************************************************************************

Author: D C Jefferson
Subject: Wk 0881 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0881 (DAYS 329-335, DATES 1996 Nov 24 - Nov 30)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

J F Zumberge, D C Jefferson, M B Heflin, M M Watkins, 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/0881.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08817.sum         This text file.
jpl08817.erp         Earth rotation parameters for GPS week 881.
jpl08817.snx         Ground station coordinates for GPS week 881, SINEX format.
jpl0881[0-6].sp3     GPS ephemerides for GPS week 881, sp3 format.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 16.0 cm
                           (excluding deweighted satellites)

We continue to deweight data from PRN10.  Solutions for this satellite are
not included in our sp3 orbit products this week.

Due to potential problems, data from stations mentioned below were not
considered for use in the global solution for the day indicated.  (For
geographical reasons, they may not have been used in any case.)

WARNING: NLIB (not ALGO) used as reference clock days 332 and 333.
WARNING: PIE1 (not ALGO) used as reference clock days 334 and 335.
WARNING: Data from PRN10 deweighted for the entire GPS week 881.
WARNING: Data from CSN1, HBRK, LMNO excluded day 329.
WARNING: Data from CASA, CSN1, KRAK, STJO, TROM excluded day 330.
WARNING: Data from CASA, KRAK, SANT, STJO excluded day 331.
WARNING: Data from CASA, CMBB, CSN1, POL2, STJO, WTZR excluded day 332.
WARNING: Data from CSN1, DAV1, HOB2, STJO, WTZR excluded day 333.
WARNING: Data from KRAK, WTZR excluded day 334.
WARNING: Data from CSN1, KRAK, WTZR excluded day 335.

In the following table, UT1R-UTC are the integrated values based on estimated
LODR values in the adjacent column.  See IGS Report No. 1498 (jpl07827.sum)
for details:

JPL ERP TABLE                                GPS week 881 (1996 Nov 24 - Nov 30)
     MJD  XPole  Ypole UT1R-UTC  LODR Xsig Ysig UTsig LODsig Nr Nf Nt  Xrt  Yrt 
            10**-5"      usec    us/d  10**-5"    us   us/d            10**-5"/d
50411.50  11115   9645   -45210  1755    3    5     8      8 37  7 25 -315 -104 
50412.50  10720   9553   -46981  1787    3    3     8      8 37 12 25 -297 -101 
50413.50  10349   9523   -48831  1913    3    4     8      8 37 12 25 -311  -51 
50414.50   9971   9462   -50733  1891    3    3     8      8 37 12 25 -379  -49 
50415.50   9592   9423   -52577  1796    3    3     8      8 37 12 25 -339  -52 
50416.50   9189   9365   -54365  1781    3    3     8      8 37 12 25 -297  -47 
50417.50   8773   9284   -56169  1827    3    3     8      8 37 12 25 -298 -129 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 881:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 881 (1996 Nov 24 - Nov 30)
      96 11 24   96 11 25   96 11 26   96 11 27   96 11 28   96 11 29   96 11 30
prn   3d rss (m)
  1       0.20       0.41       0.35       0.32       0.28       0.24       0.25
  2       0.16       0.18       0.14       0.12       0.11       0.12       0.19
  3       0.30       0.27       0.35       0.36       0.25       0.18       0.21
  4       0.10       0.13       0.13       0.08       0.10       0.12       0.26
  5       0.15       0.13       0.11       0.09       0.09       0.09       0.27
  6       0.16       0.18       0.11       0.11       0.05       0.14       0.22
  7       0.17       0.16       0.12       0.11       0.11       0.13       0.16
  9       0.14       0.07       0.15       0.12       0.10       0.11       0.14
 10       1.80       1.78       1.94       1.33       1.91       2.74       1.57
 14       0.19       0.29       0.37       0.39       0.35       0.14       0.30
 15       0.20       0.10       0.13       0.14       0.16       0.20       0.21
 16       0.10       0.10       0.13       0.26       0.08       0.08       0.18
 17       0.22       0.16       0.15       0.15       0.18       0.11       0.22
 18       0.14       0.12       0.09       0.12       0.12       0.07       0.13
 19       0.43       0.38       0.15       0.12       0.12       0.33       0.38
 21       0.18       0.13       0.21       0.24       0.22       0.10       0.16
 22       0.16       0.08       0.21       0.18       0.15       0.14       0.21
 23       0.11       0.14       0.18       0.24       0.27       0.23       0.25
 24       0.16       0.18       0.17       0.24       0.24       0.22       0.19
 25       0.11       0.20       0.22       0.20       0.09       0.16       0.24
 26       0.17       0.11       0.18       0.16       0.18       0.11       0.20
 27       0.14       0.14       0.14       0.11       0.12       0.11       0.09
 29       0.22       0.16       0.20       0.17       0.09       0.11       0.39
 30       0.34       0.36       0.37       0.38       0.29       0.28       0.38
 31       0.19       0.24       0.24       0.23       0.13       0.11       0.09
_______________________
END ORBIT REPEATABILITY TABLE

The following table statistically summarizes this week's "engineering data", as
described in IGS Report No. 1528:

JPL ENGINEERING DATA SUMMARY TABLE           GPS week 881 (1996 Nov 24 - Nov 30)
 receiver/transmitter (dot means point positioned, * means fiducial site)
 |     days analyzed
 |     |      rms clock noise (ns)
 |     |      |           average clock solution (us)
 |     |      |           |           rms pseudorange (cm)
 |     |      |           |           |   (dot means pcode not analyzed)
 |     |      |           |           |           rms phase (mm)
 |     |      |           |           |           |           average arc (hr)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALGO*  6.8    1.18        .995e-01    41.2        4.38        2.81    
ANKR   1.9    94.0       -.148        56.6        5.00        2.69    
AREQ   4.0    104.       -.231e-01    41.6        4.77        2.49    
ASC1   5.9    175.       -.682e-01    71.1        5.68        1.64    
BAHR   5.6    .943e+05    272.        43.9        5.00        3.50    
BRAZ    .9    147.        .129e-01    62.0        7.00        2.26    
BRMU   1.0    115.       -.719e-02    38.0        4.00        3.19    
BRUS   4.9    .333        12.8        60.7        4.44        2.67    
CAS1   2.6    12.9        463.        39.7        6.00        1.58    
CASA   1.0    14.4        419.        37.0        4.00        2.49    
CHAT   7.0    113.       -.623e-01    79.5        5.59        2.85    
CHUR   1.0    3.38        53.5        28.0        6.00        1.71    
CRO1   6.8    286.       -.687e-01    43.8        6.20        2.07    
DAV1   1.8    36.7        37.0        32.5        5.50        1.75    
DGAR   7.0    107.       -.701e-01    70.0        7.92        1.66    
EISL   7.0    135.       -.546e-01    48.5        5.87        2.97    
FAIR*  7.0    .943e-01   -1.52        33.3        4.87        2.36    
FLIN   2.0    85.8       -.176e-01    74.0        4.00        3.05    
FORT   5.7    .142       -.207        51.5        7.02        3.07    
GOL2*  7.0    48.0        .621e-01    53.1        4.87        2.88    
HART*  7.0    21.0        .665e-01    46.7        5.33        2.96    
HKLO   1.0    .290e+06    497.        52.0        6.00        2.72    
HOB2   1.0    .161       -15.3        55.0        5.00        2.79    
IISC   2.9    87.4       -.219e-01    69.0        5.00        2.23    
IRKT   3.8    138.        1.17        43.2        4.28        2.79    
KELY   1.5    .281e+04   -1.04        39.4        6.00        1.50    
KERG   6.8    636.        2.87          .         5.86        2.71    
KIRU    .9    161.        .933        58.0        7.00        1.84    
KIT3   6.0    133.       -.519e-01    55.6        4.18        2.84    
KOKB*  7.0    .144        .682        82.3        6.20        2.83    
KOSG*  7.0    1.75       -2.23        40.9        4.19        2.25    
KWJ1   7.0    90.8       -.637e-01    66.4        8.98        1.85    
LHAS   6.2    .559e+05    4.54        67.7        5.47        2.10    
LPGS   1.8    .391e+04   -.665        55.0        5.00        2.46    
MADR*  7.0    .122       -8.61          .         5.65        2.53    
MALI   7.0    38.9       -333.          .         8.79        2.07    
MAS1   7.0    .219e+05   -158.        41.9        4.16        2.44    
MCM4   6.9    102.       -.611e-01    46.9        6.18        1.52    
METS   1.8    .216        .172        46.5        3.54        2.22    
MKEA   2.0    .214       -.284        48.6        5.52        2.47    
MOIN   7.0    87.3       -.692e-01    62.9        7.91        1.74    
NLIB   1.9    .           .           39.0        4.53        2.83    
NOTO   1.9    .205       -6.64        32.1        5.00        3.06    
OHIG   3.3    .130e+05   -.748        49.4        5.00        1.35    
PAMA   5.9    175.       -.756e-01      .         10.0        2.30    
PERT   7.0    2.51       -2.98        50.9        5.53        2.88    
PIE1   1.9    .           .           37.0        4.53        2.47    
REYK   2.9    89.5       -.372e-01    59.1        6.33        2.09    
SANT*  4.8    261.       -.345        43.9        5.22        2.16    
TAEJ   1.0    .287e+06    644.        47.0        5.00        3.05    
THU1   5.0    75.4       -.488e-01    41.2        5.42        2.39    
TID2*  6.0    .113        .623        38.9        5.69        2.95    
TROM*  5.0    7.18        18.2          .         4.64        1.50    
USUD   5.0    19.7        13.4        35.4        4.22        2.56    
WEST   1.9    .753e-01   -.545        68.7        4.00        2.89    
WTZR*  2.0    .893e-01    .627        60.0        4.00        2.65    
YAR1*  6.0    33.6        .268          .         4.56        2.44    
YELL*  6.0    .130       -1.49        33.7        4.57        1.82    
PRN01  7.0    81.7        7.83        53.2        5.87        2.30    
PRN02  6.9    82.8       -312.        57.7        6.00        2.56    
PRN03  7.0    81.2        74.9        54.1        5.76        2.48    
PRN04  6.7    .504e+04    22.6        55.8        5.76        2.16    
PRN05  6.9    80.7        70.1        52.4        5.30        2.50    
PRN06  7.0    82.1        3.48        50.6        5.87        2.49    
PRN07  7.0    80.5        732.        51.7        6.02        2.40    
PRN09  7.0    80.5       -18.8        55.7        5.86        2.47    
PRN14  7.0    79.8        15.9        52.8        6.32        2.19    
PRN15  6.8    2.82        365.        58.4        5.73        2.08    
PRN16  7.0    79.6        34.1        58.1        5.63        2.43    
PRN17  6.6    80.8       -132.        53.4        5.77        2.11    
PRN18  7.0    79.9        17.0        49.1        5.59        2.69    
PRN19  7.0    81.8        205.        50.8        5.73        2.54    
PRN21  7.0    80.7        12.2        55.4        5.60        2.43    
PRN22  6.9    81.2        353.        51.8        5.60        2.42    
PRN23  7.0    80.5        6.59        53.5        5.87        2.37    
PRN24  6.8    79.6        347.        53.6        6.59        2.25    
PRN25  7.0    80.5       -4.28        47.4        6.15        2.31    
PRN26  7.0    80.1       -76.1        51.3        5.60        2.34    
PRN27  7.0    80.9        9.85        52.5        5.31        2.61    
PRN29  7.0    79.3        3.46        47.4        5.45        2.50    
PRN30  7.0    80.1       -15.4        52.6        5.86        2.49    
PRN31  7.0    81.6        82.3        53.5        6.02        2.46    
_______________________
END ENGINEERING DATA SUMMARY 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
      96 11 24   96 11 25   96 11 26   96 11 27   96 11 28   96 11 29   96 11 30
prn   3d rss (m)
  1       4.6        4.5        5.3        4.2        6.3        4.5        5.0 
  2       7.5        4.6        4.6        4.5        4.8        5.8        6.8 
  3       3.9        3.0        4.1        4.3        3.2        3.1        2.9 
  4       5.9        5.2        5.2        4.0        4.4        5.0        4.8 
  5       4.8        5.2        5.6        4.8        4.5        4.9        5.7 
  6       4.9        6.4        5.9        5.4        5.4        5.2        5.9 
  7       4.7        4.6        4.2        4.3        4.6        4.3        4.4 
  9       3.8        4.1        4.6        4.4        4.3        3.9        4.1 
 10       5.0        5.7        4.2        4.9        5.6        4.0        4.5 
 14       4.8       14.0        8.1        6.1        8.0       12.0        7.1 
 15       7.0        6.1        5.7        6.4        4.7        1.7        2.4 
 16      12.3        3.1        2.4        8.5       14.7        3.1        6.8 
 17       5.9        5.7        6.2        5.4       12.6       10.6        2.9 
 18       2.8        4.2        2.5        5.4        3.5        5.4        2.4 
 19       3.5       21.0        9.7        3.8        2.6        1.7        3.1 
 21       3.4        5.0        2.6        2.8        6.4        3.4        5.3 
 22       8.3        8.4        5.5        4.9        5.4        5.1        5.3 
 23       5.4        8.0        3.1        3.1        4.8        7.3        5.0 
 24      11.5       11.3       11.3       12.1       11.6       12.6       12.8 
 25       5.9        6.2        7.1        7.4        6.7        6.9        6.9 
 26       6.7        6.0        5.6        5.7        6.1        4.9        4.8 
 27       9.5        9.0        8.9        7.3        7.6        7.9        8.2 
 29       2.9        3.8        3.7        4.2        3.3        3.4        2.3 
 30       8.2        3.5        3.6        3.9        4.0        4.6        8.1 
 31       2.7        2.6        2.7        2.9        3.7        2.8        2.6 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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