[IGSREPORT-9508] Wk 1177 JPL Analysis Report

Yvonne Vigue yv at cobra.jpl.nasa.gov
Wed Aug 14 22:31:00 PDT 2002


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IGS Electronic Report   14 Aug 22:31:01 PDT 2002      Message Number 9508
******************************************************************************

Author: Y Vigue-Rodi

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JPL ANALYSIS REPORT   GPS-WEEK 1177 (DAYS 209-215, DATES 2002 Jul 28 - Aug 03)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

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

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/1177.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl11777.sum         This text file.
jpl11777.erp         Earth rotation parameters for GPS week 1177.
jpl11777.snx         Ground station coordinates for GPS week 1177, SINEX format.
jpl1177[0-6].sp3     GPS ephemerides for GPS week 1177, sp3 format.
jpl1177[0-6].tro     Ground station troposphere estimates for GPS week 1177.
jpl1177[0-6].clk     GPS and ground station clocks for GPS week 1177, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 5.0 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: Data from PRN15 and PRN17 excluded the entire GPS week 1177.
WARNING: Data from PRN10 and PRN23 excluded day 213.
WARNING: Data from PRN06 excluded day  211.
WARNING: Data from PRN24 excluded day  215.
WARNING: Data from PRN30 excluded days 209 and 210.
WARNING: Data from CAGL, CHIL, ESTI, LBCH, VESL excluded day 209.
WARNING: Data from CHIL, DRAG, LBCH, MAUI, ORID, VESL excluded day 210.
WARNING: Data from CHIL, GOUG, GUAT, LBCH, LHUE, MANZ, MAUI, NOUM, SFER,                 TRAB, ULAB, VESL excluded day 211.
WARNING: Data from CHIL, DAEJ, LBCH, LHUE, MAUI, SFER excluded day 212.
WARNING: Data from CARR, CHIL, KSMV, LBCH, LHUE, METS, NICO, PTBB, SFER,                 WTZA excluded day 213.
WARNING: Data from CARR, CHIL, LBCH, PTBB, SFER, WTZA excluded day 214.
WARNING: Data from CIC1, LBCH, LHUE, RABT, SCIP, SFER, THU1, WTZA excluded               day 215.

JPL REFERENCE CLOCK TABLE                   GPS week 1177 (2002 Jul 28 - Aug 03)
 2002-07-28 USN1
 2002-07-29 USN1
 2002-07-30 ALGO
 2002-07-31 USN1
 2002-08-01 USN1
 2002-08-02 USN1
 2002-08-03 USN1
END REFERENCE CLOCK TABLE

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 1177 (2002 Jul 28 - Aug 03)
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
52483.50  247282  378860  -2448763  -2854  24  27  133  133 60  0 25   629 -3951
52484.50  247933  375186  -2445638  -3397  24  27  134  134 60  0 25   702 -3624
52485.50  248972  371703  -2442195  -3488  25  29  139  139 60  0 25  1258 -3231
52486.50  250492  368471  -2438501  -3901  24  27  137  137 60  0 26  1550 -3142
52487.50  251768  365636  -2434822  -3457  26  28  149  149 60  0 24   651 -2729
52488.50  252501  363137  -2431299  -3588  24  27  142  142 60  0 26   818 -2869
52489.50  253380  360415  -2427821  -3369  25  28  145  145 60  0 25  1265 -2883
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1177:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1177 (2002 Jul 28 - Aug 03)
      02  7 28   02  7 29   02  7 30   02  7 31   02  8  1   02  8  2   02  8  3
prn   3d rss (cm)
  1       3          3          5          5          3          3          3   
  2       3          4         10          4          3          4          3   
  3       5          6          8          5          3          4          4   
  4       6          4          7          6          3          5          4   
  5       4          2          7          6          2          3          3   
  6       4          4                     3          4          4          3   
  7       5          2          6          5          4          3          4   
  8       4          4          4          5          4          3          5   
  9       4          5         10          6          4          7          3   
 10       4          5          6          5                     2          2   
 11       6         11          6          8          7          6          5   
 13       4          6          6         13          3          4          4   
 14       8          5          5          7          7          6          8   
 18       5          5          7          8          4          5          3   
 20       6          4         18         14          5          6          4   
 21       6          7          8          8          5          5          4   
 22       3          4          8          4          4          3          3   
 23       5          4          9          9                     6          4   
 24       5          5          6         10          9         17              
 25       4          7          6          8          5          5          4   
 26       7          4         10          8          4          3          3   
 27       4          6          5          5          4          5          5   
 28       4          5          5          4          5          5          4   
 29       6          5         10          8          4          4          2   
 30                             7          7          2          3          3   
 31       5          5         10          6          7          6          4   
_______________________
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 1177 (2002 Jul 28 - Aug 03)
 receiver/transmitter (* 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)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALBH   5.0   0.237       -3.69        63.7        5.40        3.16    
ALGO*  7.0    107.       0.237        40.8        6.28        3.13    
ALIC   6.9    90.2      -0.164e-01    52.7        5.00        3.34    
ANKR   2.0    114.      -0.327e-02    39.0        5.00        3.12    
AOML   2.0    24.3      -0.612e-02    55.2        7.00        2.59    
ARTU   6.8    11.3      -0.776e-01    21.7        6.03        2.55    
ASC1*  6.6   0.387e+07   0.597e+04    68.8        6.75        2.64    
AUCK*  6.4    16.8      -0.859e-01    46.7        4.31        2.50    
BAHR*  7.0   0.533        426.        29.3        5.15        3.57    
BJFS   4.3   0.289e+06    469.        19.8        5.89        1.81    
BOGT   6.8   0.136e+05   0.744        36.1        6.54        3.02    
BREW   2.0   0.134        858.        31.0        5.00        3.08    
BRMU*  1.0    21.0      -0.833e-02    47.0        11.0        2.97    
CAS1*  3.9    8.29      -0.114e-02    25.6        3.83        1.07    
CIC1   3.9    146.      -0.822e-01    48.9        5.62        2.73    
COCO   6.9    10.6      -0.380e-02    24.3        6.08        3.10    
CRO1   5.0   0.242        785.        39.0        5.04        3.44    
DAV1*  7.0    24.9      -0.609e-02    29.8        3.62        1.29    
DUBO   4.0    13.7       0.137e-02    48.4        5.80        2.63    
EISL   6.9    39.3      -0.477e-02    58.0        6.00        2.75    
FAIR*  6.9   0.326        842.        39.2        6.66        2.08    
FORT*  4.5   0.326       0.634        78.8        5.83        1.96    
GALA   7.0    21.4      -0.990e-01    37.7        5.54        3.77    
GOUG   4.0   0.288e+06    506.        61.0        5.26        2.32    
GUAM*  6.9    25.7      -0.126        57.2        6.72        3.10    
GUAT   3.7   0.290e+06    501.        59.0        6.07        1.54    
HARB   3.0    7.30        483.        56.4        4.36        2.39    
HNLC   1.0    23.4      -0.100        41.0        5.00        3.24    
HOB2*  7.0   0.252      -0.866        38.9        5.03        3.05    
HRAO*  4.0    23.7      -0.796e-01    23.5        4.91        3.59    
IISC   7.0   0.200e+05  -0.517        56.1        6.31        3.44    
IRKT*  5.9   0.412      -0.901e-01    59.6        5.94        2.63    
JPLM   2.0   0.118e+06    313.        41.0        4.00        2.38    
KELY   6.6    11.4      -0.650e-01    33.9        7.14        1.45    
KERG*  3.9   0.155e+05    451.        54.8        5.77        2.05    
KGN0   5.8   0.782      -0.389e-01    60.4        6.16        3.57    
KOKB*  7.0    2.81       0.988        104.        5.46        2.50    
KOUR*  7.0    878.      -0.870e-01    41.3        6.93        4.33    
KSTU   0.8    15.0      -0.352e-02    46.0        5.00        2.26    
KUNM   6.7    857.       0.799e-02    78.9        6.34        2.36    
LAE1   6.9    25.1      -0.119        61.6        6.15        3.05    
LHUE   2.0    28.0      -0.124        35.0        5.00        3.21    
MAC1*  6.9    14.1      -0.686e-03    31.9        3.47        1.91    
MAD2   5.0   0.278      -0.582        37.4        5.98        2.91    
MAG0   5.9    10.7      -0.858e-01    43.7        4.35        2.64    
MBAR   7.0    34.9      -0.956e-01    33.6        5.78        2.81    
MCM4*  5.8    38.4        565.        79.2        3.00        1.02    
MIZU   1.0   0.633       0.316e-01    46.0        4.00        3.17    
MKEA   3.0    27.9      -0.105        23.7        5.00        2.79    
MOBN   2.0    13.0      -0.647e-01    40.0        6.51        3.06    
MSKU   6.9    33.6      -0.878e-01    52.8        7.21        2.51    
NICO   2.9    12.9      -0.434e-02    30.7        7.05        3.32    
NOT1   3.0   0.285e+06    511.        70.0        7.49        1.87    
NOUM   3.0   0.289e+06   -8.91        62.0        5.36        2.53    
NRIL   5.9    12.5      -0.813e-01    23.0        5.21        2.13    
NYA1   7.0   0.227       0.696        30.1        5.03        1.84    
OHI2   7.0    8.76       0.190e-03    34.4        4.45        2.59    
ONSA*  6.5   0.274        978.        44.9        6.40        2.45    
PDEL   1.6    52.8       0.952        70.1        6.00        3.67    
PERT*  6.9    15.6      -0.758e-01    61.3        5.45        2.94    
PETP   0.9   0.504e+05  -0.894        45.0        6.00        2.76    
POLV   3.0   0.290e+06    8.53        65.6        6.35        2.55    
RESO   6.5    39.9      -0.706e-01    33.3        6.18        1.65    
REYK   1.0    10.6      -0.593e-02    64.0        11.0        2.11    
SANT*  7.0    14.6      -0.882e-01    23.8        5.74        2.71    
SCUB   2.0    17.5      -0.115        52.5        9.80        3.67    
SELE   5.9    25.4       0.357e-02    48.3        4.90        2.87    
SEY1   7.0    39.2      -0.287e-02    76.6        7.12        1.88    
SIO3   0.9    16.2      -0.784e-01    40.0        4.00        2.57    
SLOR   2.9   0.289e+06    503.        79.7        9.48        1.93    
STJO   7.0    16.8       -2.68        32.0        5.41        3.78    
SYOG   3.9    1.12        160.        47.8        5.50        1.79    
THTI   4.0   0.126e+06    344.        82.4        6.27        1.96    
TIDB   6.8   0.436e+05    416.        29.6        4.87        2.83    
TIXI   6.9   0.966e+06   -19.9        41.6        5.09        2.06    
TOW2   4.0    18.0      -0.540e-02    19.0        3.54        3.41    
TRAB   1.7    13.0       0.385e-01    48.0        6.00        2.86    
TSKB*  7.0    1.75      -0.264        57.6        5.54        3.09    
TWTF   7.0   0.597        381.        59.3        6.44        3.35    
USN1   6.0    .           .           52.8        6.20        2.55    
VESL   1.9   0.288e+06    499.        50.7        5.00        1.64    
WHIT   3.9    72.7       -21.9        28.3        3.52        2.11    
WTZR*  7.0   0.325      -0.482        45.4        6.22        3.11    
YEBE   2.0   0.421        440.        42.5        5.00        1.89    
YELL*  6.9   0.226      -0.151        42.0        5.11        1.80    
PRN01  7.0    3.75        242.        44.9        5.33        2.66    
PRN02  7.0    3.30       -240.        48.7        5.00        2.52    
PRN03  7.0    2.29        50.1        46.8        5.15        2.38    
PRN04  6.7   0.781        264.        47.9        5.48        2.57    
PRN05  7.0    3.40        24.3        48.3        6.14        2.39    
PRN06  6.0    6.73       -4.97        45.0        5.00        2.39    
PRN07  6.9    1.69        555.        49.1        5.34        2.46    
PRN08  6.9    2.46        575.        47.0        5.16        2.55    
PRN09  6.9    2.22       -1.62        46.8        5.68        2.32    
PRN10  5.9    2.24        9.14        50.3        6.57        2.51    
PRN11  6.8   0.431        17.3        50.3        5.46        2.23    
PRN13  7.0   0.412       -11.0        52.6        5.89        2.47    
PRN14  7.0   0.407       -57.0        47.6        5.34        2.47    
PRN18  7.0   0.492       -53.7        45.7        5.34        2.50    
PRN20  7.0   0.326       -178.        47.8        5.82        2.53    
PRN21  6.9    4.08       -2.40        47.8        5.31        2.26    
PRN22  6.9    4.34        476.        49.7        5.16        2.47    
PRN23  6.0    6.32        6.70        46.9        7.06        2.46    
PRN24  5.8    2.04        46.8        47.7        6.41        2.54    
PRN25  6.8    2.31        30.2        45.8        5.95        2.57    
PRN26  6.9   0.617        74.9        48.4        6.50        2.24    
PRN27  6.8    3.02        63.6        45.9        5.16        2.48    
PRN28  6.9   0.954       -88.8        50.2        5.16        2.46    
PRN29  6.9   0.695        134.        48.0        6.79        2.42    
PRN30  5.0    1.79        103.        48.9        5.47        2.34    
PRN31  7.0    1.73        349.        47.4        5.15        2.41    
_______________________
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
      02  7 28   02  7 29   02  7 30   02  7 31   02  8  1   02  8  2   02  8  3
prn   3d rss (cm)
  1     605        444        472        473        396        423        342   
  2     313        177        195        364        523        351        328   
  3     220        337        209        218        158        244        188   
  4     470        402        610        588        430        386        435   
  5     401        306        334        351        235        300        336   
  6     565        519                   532        524        816        746   
  7     192        433        317        180        217        276        461   
  8     278        329        371        502        250        245        259   
  9     167        181        433        206        366        214        364   
 10     265        263        231        274                   254        306   
 11     206        284        249        593        396        300        291   
 13     213        202        224        199        200        236        323   
 14     321        290        286        281        300        302        309   
 18     248        254        217        249        246        239        252   
 20     340        309        319        266        274        278        267   
 21     202       1337        442        812       1369        492        555   
 22     238        219        308        429        346        272        378   
 23     367        652        616        541                   485        694   
 24     499        471        757        556        490       1341              
 25     390        428        279        276        355        310        482   
 26     441        252        252        258        171        169        319   
 27     334        284        279        465        381        159        226   
 28     248        197        163        169        186        186        242   
 29     219        214        194        182        250        167        172   
 30                           250        276        334        504        363   
 31     242        302        247        194        266        481        581   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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