Subject: [IGSREPORT-5934] Wk 1002 JPL Analysis Report
From: D C Jefferson
Date: Mon, 5 Apr 1999 15:55:54 PDT

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IGS Electronic Report    Mon Apr  5 15:55:54 PDT 1999      Message Number 5934
******************************************************************************

Author: D C Jefferson
Subject: Wk 1002 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 1002 (DAYS 80-86, DATES 1999 Mar 21 - Mar 27)
******************************************************************************

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/1002.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl10027.sum         This text file.
jpl10027.erp         Earth rotation parameters for GPS week 1002.
jpl10027.snx         Ground station coordinates for GPS week 1002, SINEX format.
jpl1002[0-6].sp3     GPS ephemerides for GPS week 1002, sp3 format.
jpl1002[0-6].tro     Ground station troposphere estimates for GPS week 1002.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 12.0 cm

Data from PRN25 were mismodeled on days 083 and 084 and have been excluded
from these days' analyses accordingly.

According to IGS Mail No. 2152, equipment at CICE (Enseneda, Mexico) has
been relocated.  This week, we begin including the replacement site, CIC1,
as a global analysis candidate station, assuming the following nominal
coordinates:
                                X (m)          Y (m)          Z (m)
CIC1 (Ensenada, Mexico)   -2433176.9097  -4845045.0553   3348295.7635

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 days 080 and 081.
WARNING: FAIR (not USNO) used as reference clock day 083.
WARNING: Data from PRN18 excluded the entire GPS week 1002.
WARNING: Data from COCO, DGAR, GOLD, LPGS, QUIN, URUM excluded day 080.
WARNING: Data from COCO, HERS, KELY, KIT3, LPGS, QUIN excluded day 081.
WARNING: Data from COCO, GOLD, HARV, KIT3, LPGS excluded day 082.
WARNING: Data from PRN25, COCO, GOLD, KIT3, LPGS, TROM excluded day 083.
WARNING: Data from PRN25, COCO, LPGS, MADR, VESL excluded day 084.
WARNING: Data from BOR1, COCO, CRO1, GOLD, NYAL excluded day 085.
WARNING: Data from BOR1, BZRG, COCO, CRO1, EBRE, GOLD, LPGS excluded day 086.

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 1002 (1999 Mar 21 - Mar 27)
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
51258.50   47001  240138   6170005  13849  61  62  234  234 37  0 26 -1084   190
51259.50   46348  240738   6155974  14214  65  66  236  236 37  0 26  -883   376
51260.50   45170  241133   6141881  13971  62  60  236  236 37  0 26 -1751    95
51261.50   43468  241417   6127910  13971  63  65  243  243 37  0 25 -2407   -23
51262.50   40903  241211   6114348  13154  62  62  243  243 37  0 25 -3185  -509
51263.50   37908  241349   6100896  13749  57  60  239  239 37  0 26 -2991  -164
51264.50   35205  241397   6087020  14003  53  54  231  231 37  0 26 -2768  -234
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1002:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1002 (1999 Mar 21 - Mar 27)
      99  3 21   99  3 22   99  3 23   99  3 24   99  3 25   99  3 26   99  3 27
prn   3d rss (cm)
  1       5          6          8         12         12          9          8   
  2      11         15          9         18         17         14         11   
  3      13         12         20         13         12         18          9   
  4      10         12          8         10         12         13          7   
  5      11          9         19         17         20         13          9   
  6      11          7         11          7          8          8          9   
  7      12         12         11         12         22         28         13   
  8      10         14         21         24         18         12         11   
  9      16         17         23         20         21         22         18   
 10       8         11         17         17          8         10         10   
 13      14         26         12         14         15         14          7   
 14       7         14          8         11         12         20         11   
 15      10         14         15         21          6         12         17   
 16      11         13          8          9         20         12         13   
 17      20         14          8          8         20          9          8   
 19      10          9         13         11         10         11         12   
 21      10         12         16         12         11         20          8   
 22      13          9          7         11         19         25         13   
 23      18         17         28         31         15         34         22   
 24       6         14         13         12         13         21         21   
 25       8         12          5                                7          7   
 26      13         17         29         19         24         13         16   
 27      14         12         10         14          8         11          9   
 29       7          6          8         12         13         10          7   
 30      10         10         18         14         16         10         13   
 31      13         13         24         16         15         10          7   
_______________________
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 1002 (1999 Mar 21 - Mar 27)
 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    .701        .392e-01    91.3        4.16        2.63    
AMC2   1.0    .540e-01    .147        47.0        6.00        3.43    
ANKR   3.0    .393e+04   -.217        84.3        4.36        2.58    
AOML   1.9    134.       -.242e-02    72.2        4.50        2.48    
AREQ*  2.0    255.       -.917e-01    76.5        4.00        1.86    
ASC1   1.7    270.       -.379e-01    60.0        5.52        1.41    
AUCK   7.0    96.6       -.140e-01    53.0        4.31        2.45    
BAHR   6.0    1.41        210.        41.8        4.73        2.19    
BARB   2.6    106.       -.912e-01    32.0        5.66        2.73    
BOGT   1.7    842.       -.198        68.5        5.00        1.57    
BRAZ*   .9    .289e+06    498.        58.0        6.00        1.78    
CAS1   4.5    18.5        .490e+04    39.3        5.84        1.03    
CHUR   2.0    1.86        .619e-01    43.5        5.51        2.25    
CRO1   1.8    .209e+04    .386e-01    62.5        5.00        2.08    
DAV1*  6.8    141.        .147e-01      .         4.73        1.60    
DGAR   1.7    .144e+04   -.112        80.0        5.54        1.46    
EISL   4.6    353.       -.564e-01    73.2        4.81        2.59    
FAIR*  5.9    18.1        .703e-01    74.1        4.18        2.31    
FORT*  5.7    1.16        .206        89.7        6.72        1.51    
GOL2*  5.9    488.        .272        86.9        4.00        2.33    
GOPE   1.0    .289e+06    491.        56.0        8.00        3.12    
GOUG   7.0    .289e+06    501.        61.5        5.45        2.66    
GUAM*  2.8    135.       -.557e-01    79.3        6.33        1.89    
HARK*  7.0    .277e+05   -.551        64.8        5.03        2.35    
HOB2*  3.9    .143       -3.19        51.3        5.75        2.77    
HRAO   3.0    606.        .659        56.1        4.69        2.39    
IISC   7.0    114.       -.402e-01    80.8        5.59        1.74    
IRKT*  7.0    .330e+04   -43.4        58.2        4.73        2.29    
KIT3*  3.0    109.        .104        75.6        4.09        .992    
KOKB*  6.5    376.       -1.80        83.3        4.90        2.49    
KUNM   2.3    .102e+04   -.247e-01    77.4        4.69        1.91    
KWJ1*  5.4    646.        .281e-01    80.9        5.86        1.59    
MAC1*  6.9    95.7       -.869e-02    44.2        4.16        2.22    
MAD2*  6.8    .273e+04   -3.68        73.4        5.90        2.34    
MAG0   6.0    .289e+06    484.        34.8        4.35        2.24    
MALI*  7.0    35.0       -78.9        95.5        6.60        1.62    
MCM4   2.0    125.       -.573e-02    58.9        5.00        1.05    
MDVO   4.8    .377        263.        74.9        5.44        1.95    
MKEA   2.0    445.        1.11        70.5        4.00        2.31    
NANO   1.0    25.4        176.        52.0        5.00        2.92    
NLIB*  1.0    .917e-01    2.29        62.0        5.00        2.46    
NTUS   1.9    497.       -.112          .         5.53        1.37    
NYA1   7.0    19.6        .766e-01    40.6        5.72        1.63    
ONSA*  2.7    32.7       -.423e-01    44.7        4.36        2.29    
PERT*  1.0    4.01       -.984        62.0        5.00        2.48    
PETP   1.0    123.       -.166e-01    61.0        5.00        2.81    
PIE1*  1.8    .           .           57.0        4.00        2.89    
POL2   2.9    91.9       -.238e-03    91.4        4.37        2.41    
RAMO   1.0    .304e+06    493.        45.0        5.00        2.49    
REYK   4.0    96.1       -.691e-02    67.8        6.00        2.26    
SANT*  4.5    940.       -.989        53.5        4.16        2.04    
SELE   1.0    105.        .245e-02    69.0        3.00        2.50    
SEY1   1.0    159.       -.128e-02    85.0        7.00        1.63    
SHAO*  2.0    107.       -.227e-01    63.0        5.07        2.41    
STJO   1.9    2.67        .298        103.        4.49        2.35    
THU1*   .9    87.8       -.242e-02    50.0        6.00        1.64    
TID2*  5.8    76.4       -.995        54.7        5.38        2.46    
TOUL   1.0    .417        155.        73.0        5.00        2.86    
TSKB*  5.8    1.62       -.386        58.8        4.00        2.89    
USNO   5.1    .451e-01   -1.48        77.1        5.00        2.73    
USUD   2.9    .212       -2.12        56.1        4.36        2.93    
VESL   5.9    .288e+06    503.        56.9        4.00        2.39    
WILL   1.0    1.35        15.7        36.0        4.00        3.08    
WSRT   1.0    6.49        .225        45.0        3.00        2.81    
WTZR*  5.5    4.89        .645e-01    72.9        4.55        2.60    
WUHN   2.7    7.29       -875.        64.0        4.35        2.36    
YAR1*  4.8    89.6       -.322e-04    51.2        4.42        2.14    
YELL*  4.8    .159        .335        65.8        4.00        1.73    
PRN01  7.0    82.7        78.5        60.4        5.00        2.25    
PRN02  7.0    80.7       -39.2        70.2        5.00        2.11    
PRN03  7.0    81.1        105.        62.3        5.00        2.04    
PRN04  6.6    79.4        541.        65.4        5.15        1.90    
PRN05  6.9    81.6        192.        67.6        4.73        2.12    
PRN06  7.0    79.5        .682e-01    63.4        5.00        2.19    
PRN07  7.0    82.4        814.        66.4        4.73        2.11    
PRN08  6.8    82.0        783.        71.8        5.45        1.86    
PRN09  6.2    81.6       -35.8        71.2        5.31        1.76    
PRN10  6.9    80.5        34.0        69.6        5.15        2.24    
PRN13  7.0    79.5       -71.3        64.4        5.00        2.20    
PRN14  7.0    79.7        16.8        64.8        5.00        2.17    
PRN15  6.6    3.11        665.        69.7        5.00        2.00    
PRN16  7.0    80.7        108.        68.7        5.00        2.23    
PRN17  6.8    80.7       -207.        68.5        5.15        2.18    
PRN19  6.6    79.1       -123.        66.5        5.00        2.23    
PRN21  7.0    78.9        11.9        62.0        5.16        2.40    
PRN22  7.0    82.8        285.        65.9        5.00        2.19    
PRN23  7.0    79.4        11.1        65.7        5.16        2.36    
PRN24  6.7    80.3        536.        70.6        5.00        1.94    
PRN25  4.8    82.2        .534        60.4        5.43        2.08    
PRN26  7.0    81.1        362.        64.2        5.15        1.96    
PRN27  6.6    82.3        15.0        70.6        5.35        1.93    
PRN29  7.0    81.1        339.        57.0        5.00        2.27    
PRN30  7.0    81.9       -12.2        63.0        4.74        1.96    
PRN31  7.0    81.7        15.6        63.0        5.00        2.20    
_______________________
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
      99  3 21   99  3 22   99  3 23   99  3 24   99  3 25   99  3 26   99  3 27
prn   3d rss (cm)
  1     406        438        409        237        196        214        227   
  2     288        319        222        302        439        177        362   
  3     300        245        273        207        194        228        236   
  4     519        455        410        279        260        226        392   
  5     229        373        206        214        218        464        304   
  6     482        626        595        496        414        439        618   
  7     374        322        291        238        521        231        379   
  8     276        234        249        206        270        257        243   
  9     274        397        470        506        265        281        220   
 10     567        388        210        295        289        259        539   
 13     201        246        711        202        238        187        227   
 14    1247       1608        538        968        317        427        588   
 15     343        306        543        594        368        407        342   
 16     571        357        184        230        301        616        689   
 17     539        319        369        466        348        328        245   
 19     811        429        322        679        673        888        421   
 21     374        251        266        164        220        308        311   
 22     364        243        197        305        216        378        298   
 23     407        365        663        715        379        423        404   
 24     422        375        844        890        338        461        183   
 25     376        261        405                              222        312   
 26     340        348        217        264        242        192        210   
 27     471        408        330        486        802        495        696   
 29     185        164        150        101        150        196        181   
 30     231        175        133        310        213        176        293   
 31     600        489        535        203        396        594        241   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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