Subject: [IGSREPORT-3958] Wk 0913 JPL Analysis Report
From: D C Jefferson
Date: Thu, 17 Jul 1997 11:01:06 PDT

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IGS Electronic Report    Thu Jul 17 11:01:06 PDT 1997      Message Number 3958
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Author: D C Jefferson
Subject: Wk 0913 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0913 (DAYS 187-193, DATES 1997 Jul 06 - Jul 12)
******************************************************************************

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/0913.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09137.sum         This text file.
jpl09137.erp         Earth rotation parameters for GPS week 913.
jpl09137.snx         Ground station coordinates for GPS week 913, SINEX format.
jpl0913[0-6].sp3     GPS ephemerides for GPS week 913, sp3 format.
jpl0913[0-6].tro     Ground station troposphere estimates for GPS week 913.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 12.0 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: FAIR (not ALGO) used as reference clock day 189.
WARNING: Data from CRO1, CSN1, LHAS, TAEJ excluded day 187.
WARNING: Data from LHAS, WTZR excluded day 188.
WARNING: Data from IISC excluded day 189.
WARNING: Data from FAIR, GOL2 excluded day 190.
WARNING: Data from FORT, PLTC excluded day 191.
WARNING: Data from CMP9, LHAS, PIN1, SIO3, SNI1 excluded day 192.
WARNING: Data from YAR1 excluded day 193.

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 913 (1997 Jul 06 - Jul 12)
     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
50635.50   4072  53617   525713   920    3    3     7      7 36  9 25  395    2 
50636.50   4449  53543   524740  1025    3    3     7      7 36  9 25  413   11 
50637.50   4874  53498   523692  1071    3    3     7      7 35 10 25  434  -16 
50638.50   5306  53457   522646  1022    3    3     7      7 36  9 25  356   11 
50639.50   5686  53421   521603  1064    3    3     8      8 37 11 25  340    8 
50640.50   6013  53376   520526  1090    3    3     7      7 37 11 25  365  -53 
50641.50   6380  53268   519419  1124    3    4     7      7 37 10 25  374  -47 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 913:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 913 (1997 Jul 06 - Jul 12)
      97  7  6   97  7  7   97  7  8   97  7  9   97  7 10   97  7 11   97  7 12
prn   3d rss (cm)
  1       7         21         16         13         12          8         15   
  2       5          7         12         11          8         12         14   
  3      11         12         14         16         15         13         15   
  4      17         13          8          8         13          5          9   
  5      15         13         28         21         39         14         11   
  6      24         22         37         28         13         13         21   
  7      17          7         12          9         20         11         11   
  9      10          5         35         22         10         12         10   
 10      12         15          8         10         10         17         11   
 14       6          8          9         13         14         16         14   
 15      17         16         14         13         11         14          8   
 16       5          8         12          8         11          9         19   
 17      19         16         15         14         12          8         10   
 18       9         11         16         14         12         14         11   
 19       5         17         16          9         12         10          9   
 21      13         10         11         18         12         13         11   
 22      10          8         12         14         11         14         15   
 23      11         15         14         28         15         11         19   
 24      14         12         14          8         11         18         16   
 25       8         11         14         15         19         28         23   
 26      11         10         16         14         15          9         17   
 27      10         10         14         11         10         10         12   
 29       9         11          9         10         12         12         18   
 30      19         20         12         21         35         22         14   
 31      11         11         11         12         14         11         11   
_______________________
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 913 (1997 Jul 06 - Jul 12)
 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*  7.1    .953e-01    .997e-01    49.4        5.03        2.98    
AREQ   1.0    91.6       -.635        37.0        4.00        2.37    
ASC1   5.9    77.6       -.806        69.4        6.18        1.61    
BAHR   6.0    .626        128.        53.4        5.39        3.52    
BRAZ   1.0    177.       -.915        50.0        5.00        3.29    
BRMU   1.0    125.       -.533        39.0        5.00        2.89    
CAS1   1.7    22.9        .392e+04    44.0        5.54        2.10    
CASA   5.0    16.9        196.        38.8        5.49        3.00    
CHAT   7.0    104.       -.773        77.9        5.59        2.59    
CRO1   6.0    149.       -.812        48.4        6.55        2.18    
DAV1   2.9    87.4        872.        31.0        5.34        1.17    
DGAR   7.0    91.1       -.771        51.1        6.09        1.57    
DRAO   1.0    1.65        6.41        30.0        4.00        3.22    
FAIR*  6.0    97.3       -.348        34.7        6.05        2.37    
FLIN   5.0    86.6       -.770        49.0        6.03        2.64    
FORT   5.0    .109       -.968        49.2        5.65        2.94    
GODE   1.0    .302       -1.28        39.0        6.00        3.00    
GOL2*  2.9    350.       -1.58        51.3        5.79        2.18    
GUAM   7.0    117.       -.779        70.2        8.02        2.38    
HARK   6.8    .157e+04    11.5        62.6        4.73        2.09    
HARV   1.0    .814e+07    .172e+05    74.0        6.00        2.71    
IISC   2.4    126.       -.955        63.6        5.64        2.09    
IRKT   4.0    .175       -.714        68.8        5.27        2.49    
KERG   4.0    127.        .270          .         5.00        2.61    
KIRU   3.0    2.34       -1.42        57.0        7.00        2.22    
KIT3   5.9    140.       -.725        53.7        5.36        2.73    
KOKB*  6.4    134.       -.750        58.6        6.63        1.66    
KOSG*  6.9    .298e+04   -16.5        45.0        4.76        2.61    
KWJ1   7.0    97.4       -.769        56.2        9.09        1.74    
MAC1   2.0    80.4       -.588        30.0        3.53        2.08    
MAD2   2.0    310.       -.548        101.        8.00        1.82    
MADR*  6.8    .857       -.351          .         7.02        2.29    
MALI   7.0    18.6       -157.          .         8.72        2.40    
MAS1   4.0    2.99        11.9        43.3        5.05        2.43    
MCM4   6.9    88.6       -.771        31.7        4.16        1.85    
MDVO    .9    .890e+05    634.        70.0        7.00        1.87    
MKEA   7.0    .108       -.789        38.7        6.20        2.67    
MOIN   5.8    88.3       -.812        63.0        9.14        1.87    
ONSA   2.0    .193       -2.59        53.3        4.52        2.13    
PERT   6.9    2.09       -5.37        57.5        5.51        2.38    
POL2   1.0    85.6       -1.04          .         6.00        2.56    
REYK   7.0    79.2       -.778        57.3        6.30        2.17    
SANT*  5.6    .668e+04    .471        33.4        5.74        1.34    
SHAO   1.0    98.8       -.803        54.0        6.00        2.67    
STJO   6.0    3.48       -.197e-01    39.6        5.21        3.07    
TAHI   5.9    122.       -.723        72.5        6.34        2.57    
THU1   2.7    77.5       -.669        46.3        5.99        2.13    
TID2*  7.0    11.0       -.712        38.0        5.59        2.55    
TOUL   4.9    39.6       -.525        48.5        5.63        2.85    
USUD   6.0    .733        .456        37.4        6.06        2.98    
WHIT   1.0    92.3       -.765        37.0        5.00        2.41    
WTZR*  4.2    21.0       -.136        63.2        5.44        2.75    
WUHN   2.9    6.09       -.517e+04    46.7        6.00        2.72    
XIAN   1.9    96.7       -.752        39.0        5.55        2.70    
YAR1*  6.0    2.18        5.84          .         4.79        2.11    
YELL*  7.0    .175       -1.02        44.6        5.90        1.76    
PRN01  7.0    80.5        22.8        53.6        6.03        2.19    
PRN02  7.0    80.1       -382.        54.6        6.00        2.19    
PRN03  7.0    79.6        30.2        53.9        6.00        2.40    
PRN04  7.0    82.2        35.3        51.9        6.15        2.33    
PRN05  7.0    80.2        102.        52.0        5.58        2.38    
PRN06  6.9    79.0       -.893        51.6        5.87        2.21    
PRN07  7.0    80.8        749.        54.3        5.87        2.11    
PRN09  7.0    78.7       -4.32        51.4        6.29        2.38    
PRN10  6.6    79.8        9.51        56.0        6.16        2.22    
PRN14  6.7    82.3        19.4        51.6        6.17        1.79    
PRN15  7.0    3.19        444.        53.2        5.87        2.08    
PRN16  6.6    80.2        18.1        54.6        6.18        2.13    
PRN17  7.0    79.5       -154.        54.4        5.87        2.20    
PRN18  7.0    82.0        1.34        50.0        5.74        2.31    
PRN19  7.0    82.0        88.0        54.2        5.73        2.17    
PRN21  6.8    80.6        65.1        52.7        6.75        2.28    
PRN22  7.0    81.2        1.48        49.4        6.00        2.35    
PRN23  6.8    79.8        .565        52.7        7.88        2.53    
PRN24  7.0    81.8        633.        56.2        6.03        2.23    
PRN25  7.0    83.9       -6.42        49.7        5.88        2.13    
PRN26  7.0    80.2       -202.        50.6        6.15        2.42    
PRN27  7.0    80.5        34.2        52.6        5.87        2.26    
PRN29  7.0    80.3        192.        51.6        5.31        2.55    
PRN30  6.8    81.8       -67.9        53.4        5.72        2.31    
PRN31  7.0    82.0        486.        51.6        6.15        2.31    
_______________________
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
      97  7  6   97  7  7   97  7  8   97  7  9   97  7 10   97  7 11   97  7 12
prn   3d rss (cm)
  1     419        317        408        323        252        284        338   
  2     445        312        502        286        212        518        217   
  3     278        293        299        267        333        339        594   
  4     381        730        471        308        336        512        762   
  5     500        511        444        474        474        460        340   
  6     949        669        577        656        840        595        811   
  7     449        470        344        453        504        358        445   
  9     332        249        369        255        354        516        287   
 10     382        409        586        351        352        314        784   
 14     679        564        529        488        545        352        360   
 15     363        280        277        265        257        395        373   
 16     432        415       1267       1659        448        316        483   
 17     353        325        323        316        324        306        298   
 18     395        480        533        608        566        566        566   
 19     257        561       1096        378        324        345        287   
 21     469        539        629        621        464        578        536   
 22     714        522        446        430        552        577        446   
 23     590        443        413        342        828       1210        313   
 24     508        491        525        469        656        488        511   
 25     540        648        602        375        910       1083        453   
 26     282        280        276        277        417        472        249   
 27     201        233        202        395        282        183        271   
 29     478        626        587        482        421        547        521   
 30     289        228        307        374        350        416        380   
 31     417        403        518        264        187        301        412   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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