Subject: [IGSREPORT-2259] Wk 0831 JPL Analysis Report
From: J F Zumberge
Date: Thu, 21 Dec 1995 10:50:54 PST

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IGS Electronic Report    Thu Dec 21 10:50:54 PST 1995      Message Number 2259
******************************************************************************

Author: J F Zumberge
Subject: Wk 0831 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0831 (DAYS 344-350, DATES 1995 Dec 10 - Dec 16)
******************************************************************************

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/0831.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08317.sum         This text file.
jpl08317.erp         Earth rotation parameters for GPS week 831.
jpl08317.snx         Ground station coordinates for GPS week 831, SINEX format.
jpl0831[0-6].sp3     GPS ephemerides for GPS week 831, sp3 format.
______________________________________________________________________________

Mean Orbit Repeatability (see table below): 19.0 cm

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: Data from HART, KERG, ONSA, PAMA, SEY1 excluded day 344.
WARNING: Data from HART, KERG, ONSA, SEY1 excluded day 345.
WARNING: Data from JPLM, KELY, MONP, NUNE, ONSA, SEY1 excluded day 346.
WARNING: Data from JPLM excluded day 347.
WARNING: Data from ANKR, JPLM, KELY, SEY1, TABL excluded day 348.
WARNING: Data from KRAK, TABL excluded day 349.
WARNING: Data from CHIL, FAIR, GOPE, WHI1 excluded day 350.

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 831 (1995 Dec 10 - Dec 16)
     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
50061.50 -12749  12700  -389962  2560    5    5    11     11 37 10 24 -339  214 
50062.50 -13107  12909  -392513  2543    5    5    12     12 37 10 24 -353  223 
50063.50 -13467  13127  -395034  2498    5    5    11     11 37 12 24 -310  252 
50064.50 -13780  13391  -397559  2552    5    5    11     11 37 11 24 -279  247 
50065.50 -14055  13657  -400090  2510    5    5    11     11 37 12 24 -260  270 
50066.50 -14242  13975  -402580  2470    5    6    12     12 37 12 24 -257  315 
50067.50 -14490  14271  -405044  2458    5    5    12     12 37 11 24 -233  290 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 831:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 831 (1995 Dec 10 - Dec 16)
      95 12 10   95 12 11   95 12 12   95 12 13   95 12 14   95 12 15   95 12 16
prn   3d rss (m)
  1       0.25       0.14       0.16       0.12       0.17       0.33       0.32
  2       0.11       0.09       0.08       0.08       0.16       0.18       0.27
  4       0.24       0.20       0.20       0.10       0.21       0.23       0.15
  5       0.20       0.23       0.18       0.20       0.28       0.29       0.27
  6       0.13       0.08       0.14       0.17       0.20       0.12       0.10
  7       0.26       0.26       0.14       0.09       0.17       0.10       0.14
  9       0.31       0.27       0.16       0.15       0.28       0.26       0.17
 14       0.17       0.25       0.27       0.18       0.16       0.20       0.23
 15       0.14       0.12       0.34       0.17       0.07       0.12       0.17
 16       0.10       0.10       0.08       0.17       0.21       0.25       0.20
 17       0.13       0.11       0.15       0.23       0.13       0.16       0.20
 18       0.15       0.15       0.17       0.27       0.27       0.10       0.16
 19       0.13       0.08       0.08       0.10       0.08       0.12       0.13
 20       0.36       0.26       0.19       0.16       0.21       0.26       0.21
 21       0.17       0.10       0.10       0.23       0.20       0.29       0.39
 22       0.18       0.17       0.23       0.10       0.19       0.17       0.17
 23       0.31       0.37       0.59       0.48       0.47       0.39       0.55
 24       0.11       0.13       0.20       0.27       0.14       0.11       0.17
 25       0.16       0.15       0.17       0.20       0.11       0.14       0.17
 26       0.17       0.18       0.21       0.17       0.23       0.15       0.20
 27       0.21       0.22       0.15       0.26       0.21       0.28       0.20
 28       0.19       0.27       0.30       0.15       0.17       0.15       0.11
 29       0.20       0.18       0.07       0.12       0.23       0.10       0.19
 31       0.12       0.20       0.15       0.12       0.12       0.17       0.10
_______________________
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 831 (1995 Dec 10 - Dec 16)
 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)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALBH   2.9    17.2        4.42        39.7        3.68        2.49    
ALGO*  6.7    .           .           41.2        4.04        3.24    
ANKR   1.9    94.9       -.306        61.5        4.00        2.52    
AREQ   7.0    87.4       -.324        44.0        5.00        2.63    
AUCK   4.9    71.9       -.318        39.0        4.41        2.88    
BOR1   2.0    2.08       -.471e-02    34.5        3.00        2.66    
BRMU   5.0    112.       -.319        42.5        5.84        2.90    
CAS1   7.0    19.1        103.        36.9        5.00        1.86    
CHAT   1.0    90.9       -.317        87.0        5.00        2.88    
CICE   4.9    87.2       -.312        31.8        3.81        2.82    
CRO1   7.0    187.       -.319        42.6        6.52        2.32    
FAI2   1.0    .176       -.230        53.0        5.00        1.39    
FAIR*  6.0    .615       -.358          .         4.69        2.08    
GOLD*  6.2    .218       -1.19          .         3.52        2.18    
GUAM   7.0    98.8       -.321        48.9        7.71        2.50    
HART*  5.0    41.0       -.983          .         8.00        2.00    
HKLO    .9    .289e+06    511.        45.0        3.00        .804    
HOB2   3.9    .317        1.03        57.0        5.83        2.99    
IISC   5.9    69.5       -.316        67.5        5.00        2.10    
IRKT   4.8    .394e+06   -.151e+04    48.5        4.66        2.46    
KELY    .8    .718e+04   -.194e-01    59.0        6.00        1.70    
KERG   5.0    167.       -380.          .         5.62        2.74    
KIRU   7.0    3.35        11.4        55.1        8.00        2.03    
KIT3   2.7    110.       -.315        51.3        4.36        2.86    
KOK2   7.0    .179       -.800e-01    40.0        5.45        2.84    
KOSG*  7.0    21.8        32.4          .         3.98        2.17    
KOUR   7.0    3.12       -6.11          .         7.91        1.88    
LPGS   5.0    .164e+04   -.302        55.8        5.52        3.22    
MAC1   2.0    .260e+05   -.153e+05    32.0        5.00        1.66    
MADR*  5.5    .447       -1.12          .         4.00        2.20    
MAS1   6.2    .536e+04    10.0        167.        6.82        1.92    
MCM4   7.0    93.3       -.322        46.5        5.00        1.68    
MDVO   2.7    .134        391.        67.6        5.00        2.48    
NOTO   4.9    82.1       -.951e-02    30.8        4.62        3.08    
PAMA   3.8    84.3       -1.12          .         12.8        .863    
PERT   7.0    2.09       -1.45        51.9        5.03        3.06    
RCM5   7.0    .741        .461        49.3        4.63        3.00    
SANT*  7.0    .122       -.218          .         5.00        2.75    
SEY1    .9    .813e+07   -.135e+05      .         10.0        1.29    
SHAO   7.0    86.2       -.315        116.        3.91        2.22    
SNI1   2.0    83.6       -.346        56.0        4.00        3.07    
STJO   7.0    2.90        4.29        40.8        4.31        2.89    
THU1   5.9    74.8       -.319        48.3        4.37        2.69    
TID2   3.0    .907e-01    .796e-01    44.3        4.36        3.33    
TIDB*  7.0    .150        .243          .         5.00        2.83    
TROM*  4.6    4.50        15.8          .         5.23        1.46    
TSKB   7.0    62.3       -72.4        55.3        3.87        2.61    
VILL   2.0    .149e+04   -3.53        59.0        4.00        3.07    
WETT*  7.0    .164        .704          .         6.25        2.09    
YAR1*  7.0    1.67       -.262          .         4.31        2.53    
YELL*  7.0    .118       -.591        43.6        4.44        2.09    
PRN01  7.0    84.4        581.        50.6        5.46        2.36    
PRN02  6.7    81.0       -215.        50.8        4.86        2.49    
PRN04  6.8    79.3        .853        53.5        5.45        2.15    
PRN05  6.7    83.1        14.0        54.4        5.45        2.40    
PRN06  7.0    80.5        3.53        58.1        5.31        2.19    
PRN07  7.0    82.4        712.        52.0        5.59        2.33    
PRN09  7.0    81.8       -4.68        57.8        5.31        2.46    
PRN14  7.0    81.5        11.5        52.2        5.15        2.21    
PRN15  6.7    3.91        251.        55.3        5.46        2.02    
PRN16  7.0    78.9       -152.        52.9        5.75        2.29    
PRN17  6.5    81.5       -101.        58.5        5.45        2.31    
PRN18  7.0    79.9       -5.37        49.5        5.31        2.41    
PRN19  7.0    80.7        217.        49.4        5.02        2.35    
PRN20  6.7    83.2        69.0        58.3        5.31        2.23    
PRN21  6.5    83.1       -10.3        56.8        5.31        2.38    
PRN22  6.7    80.3        269.        46.0        5.29        2.37    
PRN23  7.0    82.6        4.27        52.9        5.02        2.31    
PRN24  6.8    82.0        260.        57.9        6.03        2.09    
PRN25  6.9    82.5       -.246        50.1        5.58        2.12    
PRN26  6.9    81.1       -124.        54.2        5.49        2.45    
PRN27  7.0    83.0        11.8        51.9        5.30        2.39    
PRN28  7.0    2.35        52.8        111.        4.45        2.86    
PRN29  7.0    81.9        3.75        46.9        5.00        2.51    
PRN31  7.0    83.4        130.        50.0        5.15        2.61    
_______________________
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
      95 12 10   95 12 11   95 12 12   95 12 13   95 12 14   95 12 15   95 12 16
prn   3d rss (m)
  1       5.0        4.4        6.4        4.1        4.8        5.8        4.0 
  2       6.9        6.0        5.4        5.9        7.2        6.3        5.7 
  4       5.8        4.7        5.2        5.6        9.4       10.0        6.6 
  5       6.0        6.1        6.1        6.4        6.3        6.0        6.6 
  6       5.7        5.0        4.8        4.7        5.8        7.4        4.9 
  7       4.0        3.1        3.3        2.9        5.4        4.5        3.8 
  9       7.9       10.5        8.1        6.3        4.6        4.8        8.2 
 14       3.5        3.5        3.1        3.2        3.0        3.2        3.0 
 15       6.5        6.2        7.1        7.4        9.2        7.5        6.2 
 16       5.4        4.1        3.9        4.8        4.5        4.9        4.9 
 17       6.0        5.2        6.5        5.2        5.1        6.8        5.9 
 18       3.7        3.5        3.0        2.9        4.1        4.2        3.6 
 19       8.6        8.3        8.2        8.1        4.8        9.5        8.5 
 20       5.2        5.3        5.5        5.9        7.5        7.8        5.7 
 21       4.7        4.2        3.1        2.5        4.6        5.2        5.6 
 22       4.8        5.8        5.1        5.0        6.0        3.4        5.6 
 23       9.1        3.8        4.8        6.1        6.6        8.7        5.9 
 24       7.9        9.7       11.0        9.9       14.3       15.0       11.7 
 25       6.3        7.3        6.9        4.2        4.6        5.4        5.8 
 26      11.9       12.9        8.9        6.2        5.0        6.6        8.8 
 27       8.6        7.6        5.8        7.0        7.2        6.3        6.9 
 28       4.1        2.8        3.0        3.8        3.5        3.0        4.7 
 29       4.3        3.5        3.7        5.7        3.3        3.9        2.7 
 31       3.2        2.9        3.5        2.0        3.3        2.3        4.0 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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