Subject: [IGSREPORT-5263] Wk 0971 JPL Analysis Report
From: M B Heflin
Date: Mon, 31 Aug 1998 17:27:35 PDT

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IGS Electronic Report    Mon Aug 31 17:27:35 PDT 1998      Message Number 5263
******************************************************************************

Author: M B Heflin
Subject: Wk 0971 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0971 (DAYS 228-234, DATES 1998 Aug 16 - Aug 22)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

D C Jefferson, Y E Bar-Sever, M B Heflin, M M Watkins, F H Webb, J F Zumberge

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 (137.78.60.30),
directory pub/jpligsac/0971.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09717.sum         This text file.
jpl09717.erp         Earth rotation parameters for GPS week 971.
jpl09717.snx         Ground station coordinates for GPS week 971, SINEX format.
jpl0971[0-6].sp3     GPS ephemerides for GPS week 971, sp3 format.
jpl0971[0-6].tro     Ground station troposphere estimates for GPS week 971.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 10.0 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: PIE1 (not USNO) used as reference clock day 232.
WARNING: GOL2 (not USNO) used as reference clock days 233-234.
WARNING: Data from CASA, CRO1, HARK, HERS, KSTU, NOUM excluded day 228.
WARNING: Data from CASA, CRO1, KSTU excluded day 229.
WARNING: Data from AMCT, BAHR, CASA, CRO1, KSTU excluded day 230.
WARNING: Data from CASA, HOB2, LPGS excluded day 231.
WARNING: Data from CASA, DAM2, HOB2 excluded day 232.
WARNING: Data from DAM2, GOLD, HARK, HOB2, KELY, KSTU, MADR, TIDB excluded day 233.

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 971 (1998 Aug 16 - Aug 22)
version 2           
     MJD   XPole   Ypole  UT1R-UTC   LODR Xsg Ysg UTsg LOsg Nr Nf Nt   Xrt   Yrt
         10**-6" 10**-6"      .1us .1us/d 10**-6" .1us .1us/d          10**-6"/d
51041.50   38406  477768  -1324121   3923  40  43  153  153 37  0 27  1781  -455
51042.50   40749  477395  -1328402   4638  41  41  129  129 37  0 27  2649  -385
51043.50   43004  477209  -1333145   4848  39  41  147  147 37  0 27  2283   132
51044.50   45248  477154  -1337436   3735  44  46  183  183 37  0 26  2462   241
51045.50   47520  477266  -1341328   4049  45  51  187  187 37  0 27  2059   574
51046.50   49628  477306  -1345785   4865  41  44  176  176 37  0 27  1862    49
51047.50   51623  476904  -1350529   4622  43  45  180  180 37  0 27  1794   -68
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 971:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 971 (1998 Aug 16 - Aug 22)
      98  8 16   98  8 17   98  8 18   98  8 19   98  8 20   98  8 21   98  8 22
prn   3d rss (cm)
  1      11         10          8         12         11          8         14   
  2       9          8          7          8          5          6         13   
  3      24         12          9                    21         21         18   
  4       8          5          7          9          5          4         15   
  5       4          8          4          7         12          6          6   
  6      14         21         11          4          8         12          8   
  7      10         10          5         10          8          8         18   
  8       6          7          6          6          6          7         14   
  9       4          5          5          7          8          6          9   
 10      11         11          9         12         13         11         11   
 13      13         11         11         16         17          8         29   
 14      24          9          7         26         28         11         11   
 15      13         10          5         11          8         10         10   
 16      18         20          7         12          8          6         14   
 17      13         20         16         11         18         17         17   
 18       8          6          6          6         12          7         19   
 19      14          7          8         10          9          8         18   
 21      11         20         18         10          6          5         10   
 22      12         12          7         13         14          6         14   
 23      21         12         15         11         21         10         24   
 24       9          6          8          8         11          9         16   
 25       6         10          6         12         15         10         10   
 26      14         11          5         12          7          7         17   
 27      11          8          8         16         27          7         18   
 29      10         12          6         13          9         14         12   
 30       5          9          5          6          6          4          8   
 31       8          9         10          8          8          8         17   
_______________________
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 971 (1998 Aug 16 - Aug 22)
 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*  6.0    .812e-01    .262e-01    64.5        4.69        2.77    
AOML   1.0    91.2       -1.29        52.0        8.00        2.77    
ASC1   6.0    535.       -.162        76.8        5.18        1.58    
AUCK   4.0    87.9       -.294        43.8        5.04        2.59    
BAHR    .9    .474        495.        40.0        7.00        3.86    
BOGT   2.7    460.       -.455        66.3        6.73        1.72    
CAS1   2.9    12.3        .106e+04    35.8        5.39        1.47    
CHAT   2.0    99.9        .821e-01    80.0        5.00        2.68    
COCO   1.0    .288e+05   -37.9        47.0        7.00        1.91    
DAV1*  4.7    134.       -.217          .         4.41        1.54    
DGAR   5.6    .125e+04   -.183        76.7        5.00        1.66    
EISL   6.0    113.       -.163        56.1        5.00        2.61    
FAIR*  5.3    210.       -.692e-01    54.2        4.51        2.19    
FORT*  6.0    .154       -.328        68.5        5.19        1.67    
GALA   2.8    253.        .804e-01    65.1        4.00        1.59    
GOL2*  6.1    .124        1.23        57.0        5.22        2.54    
GUAM*  5.0    121.       -.228        67.7        7.03        2.09    
HARK*  4.0    14.7        20.4          .         3.78        1.17    
HRAO   6.0    .265e+05    82.0        36.5        4.00        1.83    
IISC   4.9    107.       -.194        77.3        6.44        1.97    
KERG*  3.8    .306e+04    372.          .         5.00        2.18    
KIT3*  6.0    141.       -.139        74.9        5.00        2.42    
KOKB*  6.0    .467        49.2        84.5        5.73        2.69    
KWJ1*  6.0    115.       -.166        75.4        7.20        1.94    
MAC1*  3.5    91.5       -.319        37.2        4.26        1.90    
MAD2*  2.9    .104       -.674        65.3        6.00        2.61    
MALI*  6.0    8.98       -182.        85.0        6.84        1.50    
MAS1*  3.0    2.02        .507        52.4        4.00        2.24    
MATE*  2.0    .140        1.38        41.0        6.00        2.56    
MCM4   4.0    98.1        .622e-01    44.1        5.00        1.29    
MDVO   1.8    .521        225.        72.9        6.49        1.66    
MKEA   3.0    139.        .198        60.1        4.37        2.65    
NANO   1.0    10.3        216.        47.0        4.00        2.96    
NICO   1.0    160.       -1.30        51.0        5.00        2.64    
NOTO    .9    .884e-01    997.        79.0        6.00        3.11    
NRC1   1.0    .209       -1.36        75.0        5.00        3.04    
NTUS   3.9    177.        .196e-01    90.8        6.54        1.24    
NYA1   4.8    .113       -22.5        44.0        5.41        1.85    
OHIG*  5.9    85.8       -.164        54.8        4.69        1.74    
ONSA*  5.9    .123       -.872        43.7        4.53        2.28    
PERT*  1.0    1.64       -2.77        54.0        5.00        3.07    
PETR   1.0    .283e+06    496.        43.0        5.00        2.64    
PIE1*  1.0    .           .           48.0        5.00        2.64    
SANT*  5.5    .421e+04   -1.34        43.2        4.88        1.18    
THTI   1.9    438.        .567e-01    80.6        5.00        2.75    
THU1*  1.0    71.0       -1.30        46.0        6.00        2.38    
TID2*  6.0    124.        .741e-01    41.2        5.72        2.39    
TSKB*  6.0    2.02       -2.83        49.9        5.69        3.17    
USNO   4.5    .           .           60.8        6.26        2.79    
USUD   5.0    .130       -.176        42.2        6.81        3.15    
WTZR*  6.0    1.72       -3.29        63.7        5.04        2.71    
XIAN   5.8    96.1       -.177        47.6        5.52        2.78    
YAKA   5.0    99.3       -.214        58.0        5.44        2.43    
YAKZ    .9    .290e+06    430.        46.0        6.00        2.64    
YAR1*  5.0    82.5        .660e-01    40.4        4.63        2.34    
YELL*  6.0    .128       -1.77        50.1        5.15        1.75    
ZECK    .8    78.8        .834e-01    46.0        5.00        2.54    
PRN01  5.7    80.7        56.1        59.9        5.69        1.86    
PRN02  6.0    80.9       -522.        60.7        5.18        2.25    
PRN03  4.8    80.2        39.4        60.2        5.42        2.21    
PRN04  6.0    82.0        43.4        58.4        5.35        1.93    
PRN05  6.0    80.0        160.        58.4        5.19        2.38    
PRN06  6.0    84.4       -.787        63.2        5.35        1.74    
PRN07  6.0    80.4        788.        58.5        5.00        2.09    
PRN08  6.0    80.6        520.        59.2        5.19        1.91    
PRN09  6.0    81.4       -7.02        61.3        5.18        2.03    
PRN10  6.0    80.9        25.1        63.0        5.00        1.84    
PRN13  5.9    80.7       -236.        59.2        5.68        2.11    
PRN14  6.0    81.3        2.25        59.3        5.35        2.27    
PRN15  6.0    3.04        590.        64.4        5.17        2.23    
PRN16  6.0    78.3        75.3        61.1        5.68        2.10    
PRN17  5.9    79.0       -186.        63.4        5.00        1.75    
PRN18  5.8    81.3        15.8        58.1        5.35        2.03    
PRN19  6.0    80.1       -28.2        59.5        5.00        2.06    
PRN21  6.0    80.4        53.6        60.2        5.52        2.00    
PRN22  6.0    80.4        .493        57.7        5.00        2.18    
PRN23  5.9    82.4        2.74        62.2        5.84        1.93    
PRN24  6.0    80.4        775.        57.5        5.19        1.98    
PRN25  6.0    78.1       -6.28        58.3        5.51        2.03    
PRN26  5.7    83.0        238.        56.5        5.52        1.88    
PRN27  6.0    81.9        38.6        59.0        5.35        2.11    
PRN29  5.8    83.2        486.        57.7        6.00        2.10    
PRN30  6.0    82.7       -5.93        55.6        5.18        2.21    
PRN31  6.0    81.5        5.76        57.7        5.36        2.16    
_______________________
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
      98  8 16   98  8 17   98  8 18   98  8 19   98  8 20   98  8 21   98  8 22
prn   3d rss (cm)
  1     448        400        436        464        591        575        480   
  2     169        174        180        222        188        215        283   
  3     343        323        265                   298        300        284   
  4     243        278        458        456        348        269        440   
  5     255        341        252        268        500        378        303   
  6     505        520        522        811        572        565        464   
  7     849        656        378        301        584        581        282   
  8     274        265        532        512        884        436        710   
  9     146        630        289        190        394        376        183   
 10     271        338        283        440        325        332        506   
 13    1243        288        584        917        471        279        404   
 14     854        546        666        500        589        453        580   
 15     460        461        579        315        322        244        192   
 16     726        692        317        795        711        368        575   
 17     164        278        149        350        134        136        182   
 18     499        426        370        357        491        527        433   
 19     204        204        250        122        138        156        155   
 21     235        271        235        296        248        409        414   
 22     570        360        323        380        521        313        311   
 23     408        533        658        861        587        431        457   
 24     859        608        479        993        751        557       1011   
 25     237        231        288        421        511        339        284   
 26     302        400        830        419        693        709        579   
 27     247        287        323        272        289        340        267   
 29     321        257        213        208        309        298        293   
 30     238        221        235        406        415        366        246   
 31     147        200        273        231        279        282        539   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo aoml asc1 auck bahr bogt cas1 chat coco dav1 dgar eisl fair fort gala gol2 guam hark hrao iisc kerg kit3 kokb kwj1 mac1 mad2 mali mas1 mate mcm4 mdvo mkea nano nico noto nrc1 ntus nya1 ohig onsa pert petr pie1 sant thti thu1 tid2 tskb usno usud wtzr xian yaka yakz yar1 yell zeck

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