Subject: [IGSREPORT-5496] Wk 0982 JPL Analysis Report
From: D C Jefferson
Date: Tue, 17 Nov 1998 10:04:17 PST

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IGS Electronic Report    Tue Nov 17 10:04:17 PST 1998      Message Number 5496
******************************************************************************

Author: D C Jefferson
Subject: Wk 0982 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0982 (DAYS 305-311, DATES 1998 Nov 01 - Nov 07)
******************************************************************************

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/0982.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09827.sum         This text file.
jpl09827.erp         Earth rotation parameters for GPS week 982.
jpl09827.snx         Ground station coordinates for GPS week 982, SINEX format.
jpl0982[0-6].sp3     GPS ephemerides for GPS week 982, sp3 format.
jpl0982[0-6].tro     Ground station troposphere estimates for GPS week 982.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 12.0 cm

According to the file nanu1998.mes obtained from the IGS CBIS, PRN05 was
unusable on days 306 and 307.  Data from this satellite were have been
excluded from both days' analyses accordingly.

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 305.
WARNING: Data from CASA, COCO, YAKZ excluded day 305.
WARNING: Data from PRN05, CASA, COCO, LPGS, NICO, NYA1, YAR1 excluded day 306.
WARNING: Data from PRN05, CASA, COCO, LPGS, MADR excluded day 307.
WARNING: Data from HARK, LPGS excluded day 308.
WARNING: Data from HARK, LPGS, NYA1 excluded day 309.
WARNING: Data from HARK, LPGS excluded day 310.
WARNING: Data from LPGS excluded day 311.

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 982 (1998 Nov 01 - Nov 07)
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
51118.50  160272  397685  -2176574  15528  55  63  188  188 37  0 27   973 -1220
51119.50  161527  396029  -2192335  15994  56  65  194  194 37  0 26   481 -1601
51120.50  162555  394714  -2208125  15587  54  60  194  194 37  0 26  1007 -1781
51121.50  163293  393097  -2223864  15891  56  63  194  194 37  0 27  -249 -1655
51122.50  163291  391429  -2239825  16031  60  65  186  186 37  0 27  -403 -2066
51123.50  163439  389561  -2255884  16087  62  66  193  193 37  0 27    55 -2332
51124.50  163672  387122  -2271875  15895  57  64  190  190 37  0 27   623 -2152
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 982:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 982 (1998 Nov 01 - Nov 07)
      98 11  1   98 11  2   98 11  3   98 11  4   98 11  5   98 11  6   98 11  7
prn   3d rss (cm)
  1       6         10          9         14         27         22         21   
  2       9         11          8         18         10          9         25   
  3      11         15         15         12         17         25         20   
  4      14          5          8         16         11         19          9   
  5      14                               17         16         17         11   
  6      11         14         14         16         18         15         18   
  7      13         15          7          6         12          8         11   
  8      12         11         25         22         11         12         14   
  9       7          9          6          8         14         10         10   
 10       9         13          9         11         17         16         12   
 13       6          6          7          7          8         10          8   
 14      17         15         29         40         43         42         32   
 15      20         22         15         17         20         16         11   
 16      12         12         10         11         14         23         12   
 17       6          8         18         11         12         15         10   
 18      16         15          9          9          8          8          8   
 19      10          8         11         12         18         16         23   
 21      10         23         25         14         28         19         18   
 22       5          9         16         16         16         14         12   
 23       9         14         18         12          8         13         18   
 24       4          7          5         10          9         20         13   
 25       9         11         12         14         12         11         10   
 26      11         17         15         13          9          7          8   
 27      15         15          7         13         12         11         12   
 29       7         12         10         13         20         15         14   
 30       7          5          9          9         10         10          8   
 31       5          7         13         13         17         14         18   
_______________________
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 982 (1998 Nov 01 - Nov 07)
 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*  7.0    .860e-01    .143        70.1        3.61        2.62    
AREQ*  4.6    .110e+05   -.403        65.1        4.42        2.02    
ASC1   2.0    .177e+04   -.161          .         5.36        1.47    
AUCK   4.0    86.4       -.150e-01    56.0        4.76        2.49    
BAHR   4.0    1.27        31.0        41.0        5.60        2.02    
BOGT   1.0    398.        .244e-01    63.0        6.00        1.46    
CAS1   2.8    .118e+06    444.        41.7        5.38        1.14    
CHAT   3.0    107.        .785e-01    91.0        5.00        2.59    
CRO1   6.0    551.        .489e-02    56.4        5.21        1.89    
DAV1*  2.9    147.       -.335e-01      .         4.32        1.73    
EISL   6.9    547.       -.928e-02    71.6        4.31        2.88    
FAIR*  6.9    31.0       -.254e-02    66.6        4.42        2.01    
FORT*  4.9    52.7        .219        87.4        6.00        1.52    
GALA   3.2    .140e+04    .163        70.1        4.19        1.32    
GOL2*  7.0    .179       -1.16        69.1        4.16        2.22    
GOUG   2.0    .289e+06    493.        61.6        5.00        2.21    
GUAM*  6.8    132.       -.500e-01    84.4        6.75        2.12    
HARK*  1.0    10.4        27.7          .         3.00        .962    
HOB2*  2.0    .104       -.427        48.5        4.00        2.87    
HRAO   2.9    124.        4.95        68.8        4.39        2.12    
IISC   6.8    111.       -.214e-01    78.0        5.59        1.82    
IRKT*  6.8    .161        .141        62.8        4.45        2.44    
KERG*  3.9    .257e+04    209.          .         5.51        2.33    
KIT3*  2.8    117.       -.439e-01    83.3        4.00        2.87    
KOKB*  6.5    1.02        .119e-01    94.2        5.15        2.61    
KWJ1*  6.1    241.        .128e-01    89.4        6.58        1.90    
LHAS*  3.9    119.       -.201e-01    72.8        4.00        2.27    
MAC1*  3.8    91.2       -.187e-01    42.0        4.25        2.62    
MAD2*  2.0    436.        .180        67.5        5.00        1.97    
MAG0   4.9    .289e+06    479.        29.0        4.21        2.14    
MALI*  6.8    11.6        9.37        95.6        6.16        1.80    
MAS1*  5.0    2.89        .155        60.4        4.00        2.02    
MCM4   4.0    102.        .819e-01    47.7        4.55        1.09    
MDVO   4.9    .196        226.        74.1        6.00        2.09    
MEDI   2.0    .629       -1.61        35.7        4.00        2.46    
MKEA   2.0    .762e-01    .911        74.0        4.52        2.66    
NOTO   4.9    .942e-01    934.        82.0        5.81        2.66    
NOUM   1.0    .288e+06    494.        95.0        6.00        2.01    
NTUS   5.4    177.       -.330e-01    89.6        5.34        1.17    
NYA1   3.4    .180       -2.49        40.4        5.83        1.27    
OHIG*  6.9    .148e+04    .577e-01    60.9        4.73        1.99    
ONSA*  6.9    .238       -1.84        44.3        3.73        1.63    
PETP   1.0    118.        .937e-01    58.0        5.00        2.70    
PIE1*  1.0    .           .           55.0        4.00        2.54    
POL2   2.9    92.7        .867e-01    66.2        4.00        2.31    
REYK   1.0    82.8        .840e-01    71.0        7.00        1.55    
SANT*  4.0    .132e+04   -.381        47.0        3.56        1.29    
SUTH   4.0    134.       -.193e-01    69.3        4.53        2.60    
THU1*  2.0    96.1        .881e-01    58.6        6.00        1.42    
TID2*  7.0    59.0        .508        46.9        5.07        2.32    
TSKB*  7.0    1.62        .597        57.8        4.16        2.83    
USNO   6.3    .           .           78.3        5.00        2.50    
USUD   6.0    901.       -3.99        50.8        4.36        2.57    
VESL   1.0    .290e+06    502.        59.0        5.00        1.73    
WES2   1.0    .191        1.31        48.0        4.00        2.44    
WTZR*  6.7    .180       -9.05        70.0        4.16        2.47    
WUHN   3.0    6.53       -748.        57.3        4.68        2.39    
YAR1*  6.0    88.8        .169e-01    46.4        4.00        2.25    
YELL*  7.0    .242       -.924e-02    66.5        4.40        1.50    
PRN01  6.8    81.5        64.0        63.3        4.86        2.01    
PRN02  6.9    83.2       -551.        71.2        4.86        2.17    
PRN03  7.0    81.4        63.1        65.7        5.00        2.02    
PRN04  6.8    81.0        187.        64.1        5.00        1.98    
PRN05  4.9    80.3        171.        67.1        5.00        2.14    
PRN06  7.0    82.0       -.564        61.9        5.00        1.83    
PRN07  7.0    82.2        797.        61.6        4.87        2.02    
PRN08  7.0    81.3        390.        67.8        4.75        1.87    
PRN09  7.0    82.3       -17.2        64.5        5.00        1.92    
PRN10  7.0    79.0        28.3        72.9        5.15        1.98    
PRN13  7.0    81.7       -335.        62.9        5.00        2.10    
PRN14  7.0    80.2        7.07        71.6        4.87        1.96    
PRN15  6.7    3.18        617.        68.7        5.00        1.94    
PRN16  6.9    80.4        86.8        74.7        4.86        1.89    
PRN17  6.6    79.8       -193.        67.7        4.87        2.04    
PRN18  7.0    79.7        18.2        64.4        4.87        2.10    
PRN19  7.0    81.1       -67.9        68.4        4.73        2.05    
PRN21  6.9    81.0        65.0        63.9        5.00        1.86    
PRN22  6.9    79.0        223.        69.0        5.00        2.21    
PRN23  7.0    83.8        5.96        64.8        5.16        1.98    
PRN24  6.8    81.9        634.        66.4        4.88        1.91    
PRN25  6.9    81.3       -6.06        64.6        5.00        1.91    
PRN26  7.0    79.6        606.        58.2        5.00        2.20    
PRN27  7.0    79.3        1.16        66.0        4.87        2.27    
PRN29  7.0    82.7        298.        63.0        4.46        2.12    
PRN30  7.0    79.8       -15.5        64.9        5.00        1.90    
PRN31  7.0    81.1        9.03        63.5        5.00        2.39    
_______________________
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 11  1   98 11  2   98 11  3   98 11  4   98 11  5   98 11  6   98 11  7
prn   3d rss (cm)
  1     177        278        261        234        201        458        241   
  2     405        437        530        481        278        289        316   
  3     199        600        181        188        196        216        283   
  4     277        354        268        381        291        376        311   
  5     372                             1518        524        598        668   
  6     459        478        451        547        615        480        491   
  7     405        382        301        299        136        328        459   
  8     814        346        832        297        382        638        518   
  9     340        501        332        404        358        272        225   
 10     354        402        274        319        307        221        305   
 13     268        330        294        256        274        221        217   
 14     366        396        796        455       1174        420        537   
 15     243        290        633        367        699        424        298   
 16     267        403        502        415        273        257        259   
 17     412        297        290        325        348        430        344   
 18     299        297        306        374        210        216        283   
 19     224        805       1128        498        380        315        303   
 21     500        260        356        294        319        710        248   
 22     586        755        361        373        661        576        507   
 23     508       1163        379        314        344        302        593   
 24     379        398        339        563        713        641        390   
 25     383        548        854        560        343        735        555   
 26     377        489        371        678        571        190        305   
 27     431        427        334        459        477        309        288   
 29     416        309        299        329        400        362        286   
 30     312        375        397        254        339        791        198   
 31     255        209        258        226        665        889        390   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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