[IGSREPORT-5220] Wk 0969 JPL Analysis Report

D D
Tue Aug 18 09:46:22 PDT 1998


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IGS Electronic Report    Tue Aug 18  9:46:22 PDT 1998      Message Number 5220
******************************************************************************

Author: D C Jefferson
Subject: Wk 0969 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0969 (DAYS 214-220, DATES 1998 Aug 02 - Aug 08)
******************************************************************************

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/0969.  These files (except for *.tro) have also
been sent to the CDDIS.


______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09697.sum         This text file.
jpl09697.erp         Earth rotation parameters for GPS week 969.
jpl09697.snx         Ground station coordinates for GPS week 969, SINEX format.
jpl0969[0-6].sp3     GPS ephemerides for GPS week 969, sp3 format.
jpl0969[0-6].tro     Ground station troposphere estimates for GPS week 969.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 9.0 cm

Data from PRN14 were mismodeled day 217, and have been excluded 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: Data from AMCT, CASA excluded day 214.
WARNING: Data from NYA1 excluded day 215.
WARNING: Data from PRN14, CASA, NOUM, UPAD excluded day 217.
WARNING: Data from CASA excluded day 218.
WARNING: Data from BARB, CASA excluded day 219.
WARNING: Data from HARK, SANT excluded day 220.

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 969 (1998 Aug 02 - Aug 08)
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
51027.50    7001  477332  -1244784   5728  41  45  172  172 37  0 27  1871    95
51028.50    8826  477522  -1250851   6406  39  42  170  170 37  0 27  1770   342
51029.50   10899  477825  -1257092   6076  41  44  175  175 37  0 27  2376   395
51030.50   13184  478326  -1263308   6357  41  44  181  181 37  0 26  1794   247
51031.50   15472  478623  -1269571   6168  46  49  184  184 37  0 27  1491    65
51032.50   17302  478769  -1275599   5889  40  40  176  176 37  0 27  1076   -58
51033.50   18984  478481  -1281362   5637  43  46  181  181 35  0 27  2072   -29
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 969:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 969 (1998 Aug 02 - Aug 08)
      98  8  2   98  8  3   98  8  4   98  8  5   98  8  6   98  8  7   98  8  8
prn   3d rss (cm)
  1       5          3          9          8          7         15         26   
  2       6          4          8          9         13         12         10   
  3      54         25         33         26         20         16         22   
  4       8          6         13          7         10         12          9   
  5      14         10          8         10          4          8          8   
  6      10          5         10         17         13          8          9   
  7      10          7          8          8         11         10         11   
  8       7          5          7          5          7         11          9   
  9       7          7          4          5         14         12         14   
 10       7          6         11          8         16         17         11   
 13       8          8          7          8          9          9          8   
 14      11          9          8                     6          9          8   
 15       6          7         10         10         12          6          7   
 16       6          3          5         11          8          9          6   
 17      14         12         20         22         27         24         21   
 18       6          7          8         21         10          9         11   
 19       5          7         12          9         10          7         10   
 21      10          7         11          7          9          8          8   
 22      16         19         16         10         13         16         11   
 23      14         12         10         14         24         14         29   
 24       9          7          6          7         22         19         11   
 25       6          3          7         11          4         12          7   
 26      10          7          9          7         12         10         11   
 27       8          7          5          6          8         20         14   
 29       6          8         10         16          8          8          7   
 30       5          6          6          9          9         10         10   
 31      12          9         16         19         10         14          9   
_______________________
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 969 (1998 Aug 02 - Aug 08)
 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    .235       -.325        61.1        5.03        2.74    
AREQ*  1.0    98.9       -.467        50.0        4.00        2.39    
ASC1   7.0    123.       -.464        72.6        6.16        1.73    
AUCK   2.0    87.1       -.454        41.5        4.00        2.67    
BAHR   5.8    .609        494.        49.0        6.08        3.61    
BARB   1.9    97.4       -.527        34.0        7.06        3.21    
BOGT   4.0    126.       -.466        60.1        5.76        1.84    
CAS1   2.7    9.02        556.        36.7        6.00        1.45    
CHAT   1.0    170.       -.491        83.0        6.00        2.77    
COCO   3.6    .684e+05   -172.        46.2        6.57        2.31    
CRO1   1.0    178.       -.469        52.0        5.00        1.94    
DAV1*  3.8    136.       -.441          .         4.50        1.50    
DGAR   6.8    .838e+04   -.850        66.4        4.91        1.83    
EISL   6.7    600.       -.483        50.4        5.16        2.73    
FAIR*  6.9    393.        1.44        48.2        4.74        2.10    
FORT*  5.8    .243       -.594        69.1        5.35        1.72    
GALA   1.9    93.8       -.470        65.6        4.00        1.69    
GOL2*  7.0    190.       -.785        49.9        4.48        2.52    
GUAM*  6.7    .105e+04   -.518        64.0        7.65        2.18    
HARK*  4.8    20.0        11.3          .         4.00        2.79    
HRAO   4.0    90.7       -.564        38.6        4.00        2.45    
IISC   1.0    98.8       -.453        74.0        5.00        2.29    
IRKT*   .7    .268       -.400        68.0        5.00        2.61    
KELY   2.4    .938e+05    9.35        46.5        5.26        1.59    
KERG*  5.7    .237e+06    .125e+04      .         5.21        2.55    
KIT3*  3.8    194.       -.468        71.8        4.79        1.71    
KOKB*  7.0    .260        .482        79.3        5.91        2.57    
KOUR*   .9    2.58        .273        75.0        6.00        2.19    
KSTU   1.0    83.9       -.471        40.0        5.00        2.44    
KWJ1*  7.0    87.0       -.463        67.6        7.00        1.83    
LHAS*  1.9    101.       -.449        66.5        5.00        2.22    
MAC1*  4.7    94.5       -.459        37.4        4.16        2.24    
MAD2*  7.0    .306       -.713        76.6        5.90        2.55    
MALI*  7.0    .101e+05   -30.9        81.9        7.00        1.88    
MAS1*  1.9    2.55       -.659        52.0        4.55        2.15    
MATE*  1.0    .224       -.985        45.0        4.00        3.00    
MCM4   4.0    96.8       -.464        37.0        5.27        1.54    
MEDI   1.0    .192        1.92        33.0        6.00        2.93    
METS   2.0    .437       -1.35        47.3        4.00        2.57    
MKEA   7.0    .232       -.440        55.9        5.00        2.89    
NANO   1.0    7.02        172.        44.0        5.00        2.89    
NOUM   2.0    .288e+06    504.        60.0        5.52        2.00    
NTUS    .8    .648e+04   -2.58        92.0        6.00        1.45    
NYA1   3.8    .680e+04    .333        42.3        5.74        1.83    
NYAL   1.0    .273       -2.17          .         5.00        2.04    
OHIG*  4.5    .152e+07    139.        57.4        4.84        1.14    
ONSA*  7.0    .305       -3.73        39.9        4.00        2.35    
PETR   1.0    .298e+06    494.        41.0        5.00        2.47    
SANT*  5.4    458.       -1.01        43.3        5.28        1.46    
SELE    .9    105.       -.471        37.0        4.00        3.13    
SUTH   3.0    99.7       -.458        41.2        4.00        2.66    
THU1*  1.0    70.1       -.460        46.0        6.00        1.82    
TID2*  7.0    10.1       -.399        39.3        5.15        2.45    
TSKB*  7.0    1.84       -3.03        49.6        5.47        3.08    
USNO   7.8    .           .           59.7        5.89        2.76    
USUD   7.0    205.       -1.00        41.7        5.73        3.01    
WTZR*  6.6    .309       -4.73        63.0        5.14        2.64    
WUHN   1.0    5.49       -45.0        47.0        6.00        2.65    
XIAN   4.9    96.4       -.469        47.3        5.81        2.80    
YAKA   3.0    97.6       -.474        59.4        5.36        2.52    
YAKZ   2.9    .290e+06    443.        46.3        5.70        2.17    
YAR1*  7.0    82.8       -.463        39.5        4.30        2.44    
YELL*  7.0    .839       -1.95        49.7        5.74        1.69    
PRN01  6.9    83.2        54.6        55.9        5.68        2.11    
PRN02  7.0    84.2       -517.        59.6        5.00        2.19    
PRN03  6.7    79.2        34.9        57.6        5.45        2.11    
PRN04  7.0    82.1        40.7        56.8        5.30        2.04    
PRN05  7.0    81.6        158.        52.8        5.47        2.45    
PRN06  6.6    81.5       -1.03        59.5        5.45        1.90    
PRN07  6.7    82.2        786.        56.6        5.30        2.25    
PRN08  7.0    80.8        497.        52.7        5.15        2.23    
PRN09  7.0    82.0       -5.56        54.7        5.16        2.36    
PRN10  7.0    80.9        24.4        57.1        5.00        2.04    
PRN13  7.0    82.3       -220.        57.0        5.59        2.23    
PRN14  6.0    80.5        1.37        54.9        5.52        2.57    
PRN15  7.0    2.80        585.        59.2        5.16        2.36    
PRN16  7.0    80.4        73.0        55.6        5.15        2.39    
PRN17  7.0    79.5       -186.        59.3        5.31        2.08    
PRN18  6.8    80.2        15.4        54.8        5.31        2.23    
PRN19  7.0    79.8       -22.0        58.3        5.00        2.07    
PRN21  7.0    81.7        51.3        55.3        5.31        2.15    
PRN22  7.0    80.9        .239        54.1        5.30        2.29    
PRN23  7.0    82.0        1.97        56.2        5.30        2.15    
PRN24  7.0    84.3        792.        54.0        5.32        2.12    
PRN25  7.0    81.0       -6.61        53.8        5.15        2.17    
PRN26  6.7    212.        156.        53.9        5.60        2.22    
PRN27  7.0    81.4        37.0        55.9        5.16        1.98    
PRN29  6.8    80.8        501.        54.0        5.71        2.23    
PRN30  7.0    81.7       -4.39        53.0        5.16        2.25    
PRN31  6.8    83.0        5.13        55.2        5.16        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
      98  8  2   98  8  3   98  8  4   98  8  5   98  8  6   98  8  7   98  8  8
prn   3d rss (cm)
  1     546        362        370        410        335        293        317   
  2     407        238        301        256        223        243        115   
  3     260        595        417        361        343        494        271   
  4     446        228        209        216        213        205        196   
  5     246        217        171        267        282        339        446   
  6     583        576        576        610        658        778        594   
  7     288        524        612        459        268        424        321   
  8     217        189        607        314        209        250        233   
  9     174        298        416        260        300        192        148   
 10     402        468        472        722        312        218        236   
 13     362        199        156        275        581        449        508   
 14    1446        613        699                   770       1654       1330   
 15     271        355        250        316        246        350        294   
 16    1027        295        447       1111        982        638        381   
 17     169        145        125        158        139        178        152   
 18     352        290        274        442        450        308        380   
 19     375        186        232        215        237        188        226   
 21     332        232        191        152        247        278        364   
 22     314        306        499        523        507        322        397   
 23     327        463        571        454        312        614       1100   
 24     442        627        455        420        266        727       1448   
 25     786       1008       1006        774        518        326        751   
 26     546        184        534        408        679        584        270   
 27     410        463        306        339        434        243        235   
 29     148        246        218        160        261        241        463   
 30     330        468        372        433        272        205        388   
 31     177        265        218        332        279        308        224   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo areq asc1 auck bahr barb bogt cas1 chat coco cro1 dav1 dgar eisl fair fort gala gol2 guam hark hrao iisc irkt kely kerg kit3 kokb kour kstu kwj1 lhas mac1 mad2 mali mas1 mate mcm4 medi mets mkea nano noum ntus nya1 nyal ohig onsa petr sant sele suth thu1 tid2 tskb usno usud wtzr wuhn xian yaka yakz yar1 yell


[Mailed From: djeff at cobra.jpl.nasa.gov]



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