[IGSREPORT-8433] Wk 1121 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Mon Jul 16 08:57:16 PDT 2001


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IGS Electronic Report   16 Jul 08:57:18 PDT 2001      Message Number 8433
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1121 (DAYS 182-188, DATES 2001 Jul 01 - Jul 07)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

D C Jefferson, Y E Bar-Sever, M B Heflin, 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/1121.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl11217.sum         This text file.
jpl11217.erp         Earth rotation parameters for GPS week 1121.
jpl11217.snx         Ground station coordinates for GPS week 1121, SINEX format.
jpl1121[0-6].sp3     GPS ephemerides for GPS week 1121, sp3 format.
jpl1121[0-6].tro     Ground station troposphere estimates for GPS week 1121.
jpl1121[0-6].clk     GPS and ground station clocks for GPS week 1121, 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 excluded the entire GPS week 1121.
WARNING: Data from PRN19 excluded day 188.
WARNING: Data from FORT, HNLC, HNPT, LAE1, LBCH, LONG, MALI, NKLG, PETP, SSIA,           TRAK, WUHN excluded day 182.
WARNING: Data from BILL, DRAG, HNLC, KODK, LBCH, LONG, MAUI, TRAK excluded day           183.
WARNING: Data from BILL, DRAG, GUAM, HARV, KOUR, LAE1, LBCH, MAUI, NTUS, PETP,           SEY1, SIO3 excluded day 184.
WARNING: Data from BILL, CAGL, DRAG, FORT, LAE1, LBCH, MAUI, PETP excluded day           185.
WARNING: Data from BILL, DRAG, FORT, HILO, LAE1, LBCH, PETP, REYK, SIO3, WLSN            excluded day 186.
WARNING: Data from GENO, HILO, LAE1, LBCH, WLSN excluded day 187.
WARNING: Data from CAGL, GOPE, HILO, LBCH, LPGS, PARC, SFDM, SPK1, TORP, WLSN            excluded day 188.

JPL REFERENCE CLOCK TABLE                   GPS week 1121 (2001 Jul 01 - Jul 07)
 2001-07-01 NRC1
 2001-07-02 NRC1
 2001-07-03 NRC1
 2001-07-04 NRC1
 2001-07-05 NRC1
 2001-07-06 NRC1
 2001-07-07 USNO
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 1121 (2001 Jul 01 - Jul 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
52091.50  253943  306331   -447037   1054  28  31  136  136 42  0 28  -110 -3054
52092.50  253810  302942   -448098   1069  30  33  139  139 42  0 28  -136 -3393
52093.50  253954  299871   -449191   1117  32  38  141  141 42  0 28   160 -2966
52094.50  254358  297045   -450237    976  28  33  135  135 42  0 28  -110 -2747
52095.50  254106  294418   -451493   1536  29  34  135  135 42  0 28  -451 -2918
52096.50  253692  291552   -453147   1771  29  32  135  135 42  0 28  -502 -2639
52097.50  253228  288940   -454672   1278  27  31  133  133 42  0 27  -742 -2821
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1121:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1121 (2001 Jul 01 - Jul 07)
      01  7  1   01  7  2   01  7  3   01  7  4   01  7  5   01  7  6   01  7  7
prn   3d rss (cm)
  1       6          5          5          4          3          4          3   
  2       5          2          4          3          5          3          3   
  3       8          6          8          9          9          6          7   
  4       9          7          5          6         12          5          7   
  5       5          4          4          5          4          4          4   
  6       5         10          8          3          4          8          8   
  7       6          4          6          5          6          5          5   
  8       6          3          6          3          4          4          3   
  9       5          4          6          7          4          4          5   
 10       7          3          8          8          4         10          7   
 11      13         10         10          4          9          5          6   
 13       6          5          9          6          8          6          5   
 14       4          5          4         10          8         12         12   
 17       7          6          5          3          4          8         12   
 18       6          6          5          4          5          5          4   
 19       8          6          7          7         10         11              
 20       8          7          5          5          4          3          4   
 21       9          8          7          5          4          4          5   
 22       4          5          5          8          4          5          5   
 23       8         10         11         11          9          8          8   
 24       7          6          6          6          6          7          5   
 25       3          6          4          4          3          9          4   
 26       5          4          6          5          5          5          5   
 27       6          4          6          5          6          4          4   
 28       6          4          6          5          5          3          4   
 29      10          7          7          7         10          7          5   
 30       3          4          4          3          3          5          4   
 31       7          6          6          4          4          4         10   
_______________________
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 1121 (2001 Jul 01 - Jul 07)
 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)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALGO*  7.0   0.111       0.810        34.6        4.64        3.63    
ALIC   1.0    143.      -0.381e-01    57.0        5.00        3.90    
AOML   0.9    39.3      -0.249e-01    51.0        5.00        3.04    
AREQ   6.0   0.394e+05    154.        24.5        4.18        3.33    
ARTU   6.9   0.799e+04  -0.373e-01    35.7        4.73        2.54    
AUCK*  7.0    18.7      -0.291e-02    40.2        4.31        3.32    
BAHR*  7.0   0.639        763.        32.6        4.00        3.97    
CIC1   6.9    72.1      -0.142e-01    42.8        4.60        2.92    
COCO   1.0    32.3      -0.110        39.0        7.00        2.60    
CRO1   4.0   0.401        737.        36.5        5.26        3.72    
DARW   1.0    26.2      -0.143e-01    43.0        5.00        3.92    
DAV1*  6.9    23.7      -0.956e-02    31.1        4.00        1.49    
EISL   5.8    38.0      -0.618e-02    53.9        4.72        2.67    
FAIR*  6.9    1.10       0.605        30.6        4.46       0.951    
FORT*  2.9    99.6       0.201        79.4        5.36        1.78    
GALA   4.9    26.4      -0.886e-01    26.3        4.00        4.18    
GUAM*  5.8    18.7      -0.113        50.6        7.18        3.68    
HOB2*  1.0   0.263       -4.96        65.0        4.00        3.77    
HRAO   1.0    14.5      -0.674e-01    74.0        4.00        3.71    
IRKT*  6.9   0.179       0.451        58.7        5.00        2.63    
JAB1   3.9    16.8      -0.961e-01    39.5        5.00        3.83    
JAMA   3.0    19.3      -0.991e-01    40.4        6.00        3.89    
KELY   5.9   0.123e+04  -0.167        36.0        5.00        1.62    
KERG*  7.0    1.86        21.9        48.5        5.73        2.57    
KOKB*  6.9    1.08       0.863        38.9        5.31        1.16    
KOUR*  3.8    20.7      -0.992e-01    41.0        6.50        3.60    
KUNM   4.0    54.2      -0.234e-01    75.9        5.27        2.60    
LAE1   2.0    18.3      -0.103        61.5        6.51        4.29    
LHAS*  2.9    13.5      -0.131e-01    32.0        5.00        3.84    
MAC1*  6.6    13.3      -0.567e-02    32.7        3.48        2.20    
MAG0   6.0    11.5      -0.942e-01    45.0        5.00        2.68    
MALI*  6.0    115.        352.        68.2        7.68        2.65    
MANA   1.0   0.286e+06    485.        71.0        6.00        1.81    
MAS1*  7.0    3.50        59.3        43.1        4.31        3.05    
MCM4*  6.9   0.167e+05    85.3        46.7        5.00        1.23    
MSKU   1.0    29.0      -0.102        34.0        6.00        3.13    
NKLG   6.0   0.288e+06    505.        69.7        6.00        1.73    
NRC1   6.9    .           .           39.0        4.72        3.57    
NRIL   4.8   0.205e+05    1.23        38.4        4.83        2.13    
NTUS   5.8    6.80      -0.136e-01    58.5        7.00        4.15    
NYA1   6.8   0.150       0.653        31.0        4.00        1.90    
OHIG*  5.9    18.5      -0.510e-02    43.7        4.00        2.43    
ONSA*  7.0   0.545        320.        44.0        4.60        2.63    
PIMO   6.8    32.7      -0.135e-01    56.0        4.73        1.07    
RIOG   0.9    12.4      -0.809e-01    34.0        4.00        2.27    
SANT*  6.9    19.7      -0.808e-01    18.9        5.00       0.918    
SELE   6.8    40.2      -0.158e-01    50.6        3.87        3.17    
SEY1   1.0    23.8      -0.118e-01    66.0        7.00        1.56    
SHAO*  1.0    21.4      -0.566e-02    82.0        6.00        2.61    
SSIA   1.0   0.288e+06    510.        74.0        6.00        1.44    
SUTH   5.9    27.3      -0.307e-02    42.2        4.36        2.45    
THTI   7.0    3.93        688.        81.5        5.16        2.14    
TIDB*  7.0   0.160        318.        27.9        5.00        3.85    
TIXI   1.0    10.5      -0.915e-01    41.0        5.00        2.66    
TLSE   1.0   0.468       -2.37        80.0        5.00        2.53    
TRAB   3.9    11.3       0.348e-01    44.3        5.00        3.01    
TSKB*  7.0    1.51       -1.49        59.1        4.60        2.97    
USNO   1.1    .           .           42.0        6.00        3.94    
USUD   1.0   0.243        415.        31.0        6.00        3.26    
WHIT   1.0    12.6       -24.4        30.0        4.00        2.62    
WTZR*  6.7    288.       -2.91        45.9        5.16        3.00    
WUHN   1.0    24.2      -0.105        58.0        6.00        3.51    
YAR2   7.0    4.80      -0.116e+05    26.8        4.75        3.63    
YELL*  6.6   0.663e+05   -10.6        40.6        5.10        1.83    
PRN01  6.8    3.83        184.        45.3        5.16        2.19    
PRN02  7.0    3.23       -38.8        45.6        4.73        2.59    
PRN03  7.0    2.18        44.5        45.0        5.00        2.34    
PRN04  7.0    1.15        660.        45.3        5.00        2.49    
PRN05  7.0    3.93        304.        45.9        5.00        2.35    
PRN06  7.0    8.71       -1.74        48.0        5.00        2.18    
PRN07  7.0    1.56        505.        46.3        5.00        2.59    
PRN08  7.0    3.58        375.        44.9        4.87        2.32    
PRN09  7.0    2.33       -52.1        43.2        5.00        2.22    
PRN10  7.0    2.58        6.37        50.7        5.00        2.38    
PRN11  7.0   0.515        2.75        44.3        5.00        2.20    
PRN13  7.0   0.314       -2.98        48.5        5.31        2.29    
PRN14  7.0   0.283       -116.        47.0        5.15        2.44    
PRN17  6.9    4.51        193.        47.0        5.00        2.23    
PRN18  7.0   0.691       -74.9        46.5        5.00        2.26    
PRN19  6.0    4.37        587.        43.4        4.00        2.59    
PRN20  7.0   0.252       -81.3        43.9        5.00        2.33    
PRN21  7.0    3.25        4.08        45.9        5.00        2.35    
PRN22  7.0    2.72        586.        47.5        5.00        2.31    
PRN23  7.0    5.67        15.8        47.7        5.16        2.33    
PRN24  7.0    2.92        62.6        46.5        5.15        2.49    
PRN25  7.0    2.67        15.1        45.6        5.00        2.45    
PRN26  6.6   0.631        530.        46.4        5.00        2.08    
PRN27  7.0    3.05        25.8        45.4        4.74        2.42    
PRN28  7.0   0.851       -2.24        47.6        5.00        2.37    
PRN29  6.8    1.03        613.        46.2        5.74        2.33    
PRN30  7.0    1.51       -26.2        44.8        5.00        2.13    
PRN31  7.0    3.86        51.6        46.7        5.00        2.24    
_______________________
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
      01  7  1   01  7  2   01  7  3   01  7  4   01  7  5   01  7  6   01  7  7
prn   3d rss (cm)
  1     698        599        645        889        766        802        731   
  2     320        335        220        311        564        271        279   
  3     340        204        242        298        586        226        340   
  4     248        239        176        252        287        306        242   
  5     320        263        277        184        237        316        242   
  6     538        961        564        526        568        588        613   
  7     512        452        428        345        461        571        522   
  8     335        336        306        325        377        364        283   
  9     303        315        202        249        260        216        329   
 10     206        261        512        345        224        440        332   
 11     328        363        479        453        541        253        288   
 13     266        221        254        246        206        228        243   
 14     223        293        192        182        173        187        187   
 17     337        368        335        431        345        829       1042   
 18     213        176        182        305        217        179        297   
 19     444        314        280        264        285        397              
 20     338        215        219        191        256        312        180   
 21     697        961        470        427        664        974        508   
 22     326        231        358        386        247        516        342   
 23     491        381        689        605        519        418        542   
 24     532        722        267        551        823        294        738   
 25     299        206        337        276        287        241        219   
 26     248        176        209        188        279        208        185   
 27     394        371        317        323        287        378        223   
 28     320        315        275        276        312        252        291   
 29     415        219        174        247        224        236        195   
 30     320        268        303        164        201        225        273   
 31     440        262        258        290        404        626        563   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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