[IGSREPORT-7499] Wk 1076 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Fri Sep 1 08:51:29 PDT 2000


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IGS Electronic Report   01 Sep 08:51:29 PDT 2000      Message Number 7499
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1076 (DAYS 233-239, DATES 2000 Aug 20 - Aug 26)
******************************************************************************

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/1076.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl10767.sum         This text file.
jpl10767.erp         Earth rotation parameters for GPS week 1076.
jpl10767.snx         Ground station coordinates for GPS week 1076, SINEX format.
jpl1076[0-6].sp3     GPS ephemerides for GPS week 1076, sp3 format.
jpl1076[0-6].tro     Ground station troposphere estimates for GPS week 1076.
jpl1076[0-6].clk     GPS and ground station clocks for GPS week 1076, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 8.0 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 PRN28 excluded the entire GPS week 1076.
WARNING: Data from PRN15 excluded day 237.
WARNING: Data from BARH, ESTI, GRAZ, RIOG, SANT excluded day 233.
WARNING: Data from NTUS, WTZT excluded day 234.
WARNING: Data from KODK, WES2, WTZT excluded day 235.
WARNING: Data from DGAR, KODK, NTUS, WTZT excluded day 236.
WARNING: Data from HARV, NTUS, REYK, WTZT excluded day 237.
WARNING: Data from DGAR, JAMA, SUTH excluded day 238.
WARNING: Data from JAMA, NTUS, WTZT excluded day 239.

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 1076 (2000 Aug 20 - Aug 26)
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
51776.50   66782  244166   1775841   4637  28  32  117  117 42  0 27 -1625  -413
51777.50   65116  243963   1771158   4730  29  32  117  117 42  0 27 -1751    51
51778.50   62910  243783   1765750   6085  28  31  115  115 42  0 27 -1869  -971
51779.50   61396  243447   1759696   6024  28  31  117  117 42  0 27 -1418  -245
51780.50   59917  243064   1753758   5852  32  34  122  122 42  0 25 -1320  -216
51781.50   58470  242846   1748053   5557  28  31  120  120 42  0 27 -1404   434
51782.50   56617  243055   1742348   5854  28  30  105  105 42  0 27 -2020    78
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1076:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1076 (2000 Aug 20 - Aug 26)
      00  8 20   00  8 21   00  8 22   00  8 23   00  8 24   00  8 25   00  8 26
prn   3d rss (cm)
  1       8         10          9          6          6          6          8   
  2       8          5          6          7          4          6          6   
  3      10         14         10         25         27         22          8   
  4       7          5         11          8          8          5          7   
  5       8          7          8          6          6          8          5   
  6       9         12         10          5          7          8          4   
  7      12          9         19          5          7          4          4   
  8       6          4          9          6          8          6          5   
  9       7          7          9          9         11          8          7   
 10       6          5         10          5          8          6          4   
 11      15          8          9         14         10         12         14   
 13       5          8         12          5          7          7          8   
 15      21         31         36         21                    32         36   
 16      12          8         11          9          6          7         12   
 17       5         10         10         10         21         20          7   
 19       9          9         15          6          8         15          9   
 20       9          8         10          7          6         14          6   
 21      14         16         14          6         12         10          6   
 22       4         17         12          8         13         12          5   
 23      19         23         14         18         13         21         15   
 24       8         29         26         38         33          8          6   
 25       8         16          8         11         14         16         17   
 26       4         12         15         11          7          5          7   
 27       8          8         12          7         10          8          6   
 29       8         18         13          9                     8          9   
 30       4          7          6          7          7          5          4   
 31      11         12          8         12         11         18         14   
_______________________
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 1076 (2000 Aug 20 - Aug 26)
 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    .741e-01    .792        36.0        5.18        3.38    
AREQ*  6.0    27.3        105.        28.4        5.35        3.65    
ARTU   7.0    14.9       -.857e-01    36.7        5.45        2.65    
ASC1   6.7    35.4       -.600e-02    78.6        6.16        2.74    
AUCK*  6.0    21.4        .251e-02    51.4        5.33        2.71    
BAHR*  7.0    .543        785.        32.0        6.31        3.70    
BARB   7.0    20.5       -.937e-01    26.9        8.81        3.35    
CAS1*  1.0    11.3       -.401e-03    28.0        4.00        .975    
CIC1   2.0    39.0       -.234e-03    50.0        5.53        2.53    
COCO   6.9    15.7       -.330e-03    32.3        6.15        3.88    
DAV1*  6.9    14.1       -.103e-02    79.3        4.18        1.41    
DGAR   4.0    22.9       -.520e-02    32.9        5.93        3.01    
EISL   5.2    .183e+05   -2.33        70.8        4.84        2.83    
FAIR*  7.0    .135       -.154        26.9        5.35        1.98    
FORT*  7.0    .214        .452        93.0        5.47        1.83    
GOUG   1.0    .288e+06    496.        64.0        6.00        2.66    
GUAM*  6.9    24.8       -.137        45.2        8.43        2.83    
HOB2*  6.7    .315       -25.7        31.8        5.15        2.34    
HOLB   5.0    96.2        288.        44.5        4.85        3.34    
HRAO   7.0    .288e+06    504.        78.4        4.74        3.63    
IISC   4.6    54.6       -.386e-01    86.0        5.43        1.99    
IRKT*  5.9    .534        .270e+04    69.5        5.18        2.71    
JAB1   6.9    25.5       -.108        59.0        5.61        2.76    
KELY   1.0    17.0       -.465e-02    77.0        6.00        1.57    
KERG*  7.0    .289e+06    502.        48.9        5.45        2.39    
KOKB*  7.0    .104       -2.35        64.8        6.78        2.88    
KUNM   4.3    64.0       -.257e-01    88.2        6.00        2.54    
KWJ1*  5.4    .553e+06    .949        54.9        5.86        .895    
LHAS*  2.0    12.6        .504e-02    34.0        5.52        3.32    
LPGS   1.0    70.0       -.138e-01    47.0        6.00        2.74    
MAC1*  6.8    14.9       -.938e-01    31.7        4.55        2.44    
MAD2   2.0    .116       -1.22        42.0        8.26        2.88    
MAG0   6.0    617.       -.853e-01    44.7        5.36        2.75    
MALI*  6.8    .244e+05   -76.5          .         7.72        1.64    
MANA   1.0    .288e+06    505.        105.        7.00        2.08    
MCM4*  5.7    .771e+04    24.8        58.7        5.54        1.09    
MDO1*  4.3    23.2       -1.80        56.5        7.49        2.69    
NKLG   6.9    .284e+06    497.        71.3        7.15        1.70    
NYA1   7.0    .847e-01   -.554        36.5        5.30        1.78    
ONSA*  3.7    9.91       -.514e-01    42.2        4.74        2.52    
REYK   1.8    8.16       -.657e-03    65.9        6.00        1.90    
RIOG   4.0    14.2       -.769e-01    33.3        5.27        2.77    
SANT*  5.8    65.7        .138        31.5        5.35        2.58    
SFER   5.0    .666        115.        74.1        4.81        2.61    
STJO   1.0    4.02        .371        29.0        7.00        3.42    
SYOG   1.0    .294e+06    483.        45.0        5.00        1.98    
TEGU   6.0    .289e+06    501.        92.6        8.92        1.65    
THTI   7.0    .289e+06    500.        81.6        6.22        2.17    
TIDB*  7.0    .143        522.        33.4        5.48        3.59    
TRAB   1.0    14.2        .474e-01    47.0        7.00        3.08    
TSKB*  1.0    126.       -275.        63.0        5.00        3.16    
USNO   7.5    .           .           49.2        6.45        3.56    
USUD   7.0    138.       -.963        47.7        5.19        2.03    
WTZR*  7.0    .215       -.624        52.0        6.22        3.05    
WUHN   1.0    26.5       -.956e-01    79.0        7.00        3.68    
YAKZ   1.0    14.4       -.900e-01    51.0        6.00        2.54    
YAR1*  6.8    396.        .382        53.5        4.31        1.93    
YELL*  7.0    .168e+05   -11.6        43.9        5.78        1.85    
PRN01  7.0    3.47        142.        49.8        5.31        2.46    
PRN02  7.0    2.89       -260.        53.8        5.15        2.56    
PRN03  7.0    2.48        33.4        53.6        6.03        2.31    
PRN04  6.8    .993        353.        55.3        5.74        2.31    
PRN05  7.0    2.68        262.        55.0        5.45        2.49    
PRN06  7.0    7.35        .670e-02    53.0        5.87        2.42    
PRN07  7.0    1.75        123.        56.3        5.45        2.34    
PRN08  7.0    2.39        424.        48.7        5.31        2.46    
PRN09  7.0    2.36       -4.84        52.8        5.87        2.26    
PRN10  7.0    2.96        55.6        55.3        5.45        2.44    
PRN11  7.0    .426        550.        56.9        6.30        2.21    
PRN13  7.0    .855       -827.        54.4        5.31        2.37    
PRN15  5.7    2.80        851.        58.2        9.11        2.16    
PRN16  6.8    9.76       -2.27        52.6        4.88        2.08    
PRN17  6.7    4.02       -270.        59.6        5.95        2.34    
PRN19  6.9    3.34        268.        53.1        5.48        2.23    
PRN20  7.0    .478       -64.3        56.2        5.45        2.34    
PRN21  7.0    3.06        14.8        55.5        6.38        2.50    
PRN22  7.0    1.16        221.        56.9        6.23        2.41    
PRN23  7.0    4.27        14.5        57.8        7.02        2.41    
PRN24  6.7    .733        778.        52.6        6.36        2.33    
PRN25  7.0    2.67        7.60        52.9        6.20        2.34    
PRN26  7.0    .833        543.        52.9        5.73        2.36    
PRN27  7.0    4.05        28.9        49.6        5.16        2.39    
PRN29  6.0    .852        477.        57.0        6.79        2.25    
PRN30  7.0    1.41       -34.4        55.1        5.59        2.23    
PRN31  7.0    2.46        8.52        54.0        6.04        2.32    
_______________________
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
      00  8 20   00  8 21   00  8 22   00  8 23   00  8 24   00  8 25   00  8 26
prn   3d rss (cm)
  1     432        601        648        570        533        703        507   
  2     256        517        366        510        390        361        510   
  3     257        383        288        417        415        356        413   
  4     446        722        549        320        522        691        726   
  5     820        514        212        246        568        434        356   
  6     489        518        477        445        525        413        444   
  7     262        492        174        174        324        208        189   
  8     233        215        272        298        204        198        173   
  9     246        451        277        333        225        230        186   
 10     758        437        429        581        489        550        551   
 11     210        322        422        574        334        456        295   
 13     280        168        249        319        534        371        203   
 15     265        432        380       1071                   431        473   
 16     753        506        428        435        407        852        727   
 17     332        327        293        241        561        397        427   
 19     382        283        353        226        323        364        398   
 20     251        297        352        262        241        281        334   
 21     407        341        508        323        593        480        250   
 22     296        308        140        473        257        367        319   
 23     749        481        465        531        715        297        480   
 24     215        251        467        312        485        912        310   
 25     213        206        233        214        279        328        274   
 26     467        766        238        378        458        567        208   
 27     308        502        396        304        443        352        518   
 29     209        268        274        546                  1088        614   
 30     421        344        319        295        251        236        261   
 31     528        507        197        333        327        278        227   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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