[IGSREPORT-8927] Wk 1146 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Tue Jan 8 11:44:03 PST 2002


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IGS Electronic Report   08 Jan 11:44:04 PST 2002      Message Number 8927
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1146 (DAYS 357-363, DATES 2001 Dec 23 - Dec 29)
******************************************************************************

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/1146.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl11467.sum         This text file.
jpl11467.erp         Earth rotation parameters for GPS week 1146.
jpl11467.snx         Ground station coordinates for GPS week 1146, SINEX format.
jpl1146[0-6].sp3     GPS ephemerides for GPS week 1146, sp3 format.
jpl1146[0-6].tro     Ground station troposphere estimates for GPS week 1146.
jpl1146[0-6].clk     GPS and ground station clocks for GPS week 1146, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 7.0 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 1146.
WARNING: Data from PRN06 excluded day 357.
WARNING: Data from PRN05 excluded day 363.
WARNING: Data from DUBR, LBCH, MONP, RIOG, SLOR, WTZA excluded day 357.
WARNING: Data from DUBR, KODK, LBCH, MONP, RIOG, SLOR, WHIT, WTZA excluded day           358.
WARNING: Data from DUBR, LBCH, RIOG, WTZA, YAKT excluded day 359.
WARNING: Data from DUBR, HOLM, HOLP, LBCH, MALI, PIMO, RABT, RIOG, THTI, WTZA            excluded day 360.
WARNING: Data from DUBR, HOLP, IISC, LBCH, PERT, PIMO, RIOG, RIOP, YAKT                  excluded day 361.
WARNING: Data from DRAG, DUBR, HOLM, HOLP, IISC, LBCH, LHUE, PERT, PIMO, RIOG            excluded day 362.
WARNING: Data from DARW, DRAG, DUBR, GRAZ, HFLK, LBCH, LHUE, PERT, PIMO, RIOG,           RIOP, WTZA excluded day 363.

JPL REFERENCE CLOCK TABLE                   GPS week 1146 (2001 Dec 23 - Dec 29)
 2001-12-23 USNO
 2001-12-24 USNO
 2001-12-25 USNO
 2001-12-26 USNO
 2001-12-27 USNO
 2001-12-28 DRAO
 2001-12-29 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 1146 (2001 Dec 23 - Dec 29)
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
52266.50 -171863  260923  -1235309   9337  35  42  156  156 42  0 24 -1370  3082
52267.50 -172313  264607  -1244838   9721  35  41  157  157 42  0 25  -993  3818
52268.50 -172910  268515  -1254707  10017  33  38  156  156 42  0 25  -462  3942
52269.50 -173248  272681  -1265920  12409  36  43  159  159 42  0 25  -589  4030
52270.50 -174088  276840  -1277299  10349  39  45  165  165 42  0 25 -1173  3609
52271.50 -175130  280579  -1287578  10209  37  42  159  159 42  0 25  -987  3376
52272.50 -175635  284513  -1297926  10488  35  44  160  160 42  0 24  -559  3843
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1146:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1146 (2001 Dec 23 - Dec 29)
      01 12 23   01 12 24   01 12 25   01 12 26   01 12 27   01 12 28   01 12 29
prn   3d rss (cm)
  1       5          8          5          6          2          4          6   
  3      10          7         11         17         10         15          8   
  4       6          7         10         10         13          6          7   
  5       2          3          7          5          3          4              
  6                  4          5          4          3          5          6   
  7      10          7          6         12          5          4         10   
  8      10         10          7         11         12         13          8   
  9       4          6         10          7          6          4          7   
 10       7          6          8          7          6          5          7   
 11       9          8          7          5          5          5          5   
 13      15         14          9          8          5          7          9   
 14       4          6          6          5          4          4          5   
 18       7          4          4          5          8          7          6   
 20       5          6          7          5          5          4          7   
 21       4          7          4          4          9          6          6   
 22       5          4          3          8          9         12         15   
 23      11         14          8          6         12          7          7   
 24       8          7          8          8          4          5          8   
 25       4          6          4          7          4          6          6   
 26       7          9         11         11         16          9         12   
 27      10          9          9         10         13          9          7   
 28      23          3          4          8          4          5         11   
 29       4          6          7          3          8          6          6   
 30       3          4          5          6          2          4          4   
 31       7          6          8          5          7          8          6   
_______________________
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 1146 (2001 Dec 23 - Dec 29)
 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   0.731e-01    1.66        35.9        4.00        3.07    
ALIC   1.0    54.7      -0.634e-02    49.0        6.00        3.64    
AOML   1.0    23.1      -0.651e-02    65.0        4.00        2.02    
ARTU   7.0    28.9      -0.892e-01    37.0        4.00        2.49    
AUCK*  5.5    22.2      -0.123        45.1        5.51        3.05    
BAHR*  6.6   0.865e+04    754.        31.3        4.00        3.55    
BILI   1.0    13.6      -0.810e-01    36.0        4.00        1.51    
CHAT*  0.9    16.1      -0.120        59.0        5.00        2.22    
CHUM   1.0    36.6      -0.140e-01    67.0        7.00        2.70    
CIC1   5.0    53.0      -0.204e-01    66.8        4.00        2.59    
CRO1   6.9   0.140        323.        36.2        4.15        3.07    
DARW   5.9    34.7      -0.151        65.2        6.68        1.88    
DAV1*  7.0    18.8      -0.127e-01    41.0        4.00        1.46    
DRAO*  1.0    .           .           40.0        3.00        2.30    
EISL   6.8    47.8      -0.612e-02    73.0        4.58        2.72    
FAIR*  6.8    1.03       0.227e-01    38.0        4.00       0.900    
FORT*  5.9    4.08       0.929          .         5.26        1.18    
GALA   7.0    37.0      -0.121        30.2        4.00        3.20    
GOUG   2.0   0.289e+06    496.        69.0        5.53        2.27    
GUAM*  6.9    43.7      -0.165        48.9        6.45        3.32    
HOB2*  2.0   0.128        3.01        45.0        5.52        3.43    
HRAO   2.0    25.3      -0.112        77.5        5.51        3.66    
IISC   4.9    42.6      -0.121        55.8        5.64        3.60    
IRKT*  7.0   0.759       0.194        60.7        5.00        2.72    
JPLM   1.0    61.2        7.30        70.0        3.00        3.11    
KELY   5.8    15.0      -0.705e-01    26.4        4.73        1.13    
KERG*  7.0    2.07        864.        69.0        5.78        2.44    
KOKB*  6.7    1.35        1.89        47.1        5.14        1.32    
KOUC   2.0    28.2      -0.142        39.5        5.52        3.51    
KUNM   3.9    84.4      -0.480e-01    81.8        4.79        2.28    
KWJ1*  5.8   0.847e+06    90.9        38.6        5.00       0.950    
MAC1*  5.8   0.132e+04   0.313e-01    33.1        3.86        1.80    
MAD2   2.0    14.1       0.853        37.5        4.00        2.01    
MAG0   3.6    25.0      -0.805e-01    39.4        4.29        2.42    
MALI*  5.6    935.        408.        71.7        7.00        2.57    
MAS1*  4.8    3.09        406.        42.2        4.67        2.45    
MCM4*  2.0    27.1        219.        61.0        4.00        1.08    
MDO1*  0.9    29.2        2.12        73.0        4.00        2.76    
MSKU   2.0    33.6      -0.129        34.0        6.00        3.92    
NICO   1.0    16.1      -0.106e-01    28.0        5.00        3.73    
NKLG   5.0   0.290e+06    524.        69.8        6.40        1.62    
NOUM   1.8   0.286e+06    3.09        59.5        6.07       0.845    
NRIL   7.0    15.5      -0.864e-01    21.2        4.16        1.87    
NTUS   7.0    7.56      -0.149e-01    60.2        6.15        4.42    
NYA1   5.9    20.7      -0.248        28.8        3.18        1.03    
NYAL*  1.0   0.289      -0.771e-01    37.0        4.00       0.915    
ONSA*  7.0   0.472        233.        44.3        4.00        2.52    
PARC   5.7    15.4      -0.121        60.0        5.68        3.00    
PETP   2.0    28.2      -0.832e-01    46.0        5.00        2.92    
PIMO   1.5    40.8      -0.142        22.0        5.00        2.09    
SANT*  7.0    20.6      -0.126        40.1        5.00        2.32    
SELE   3.8    209.      -0.633e-02    69.6        3.00        2.70    
SIMO   4.7    144.      -0.173e-01    55.0        5.22        2.74    
STJO   4.0    2.51      -0.888e-02    30.5        4.27        3.08    
THTI   3.8   0.133e+06    599.        74.4        6.00        2.17    
TIDB*  7.0   0.363e+05    379.        25.1        5.59        3.24    
TOW2   1.0    11.6      -0.160e-01    21.0        5.00        2.81    
TRAB   2.8    18.9       0.306e-01    46.0        5.00        2.84    
TSKB*  6.9    1.47       -1.45        67.9        3.45        2.79    
USNO   5.9    .           .           38.7        4.00        3.27    
USUD   2.0   0.244        355.        29.0        4.00        3.88    
WHIT   1.0    22.7        1.46        32.0        5.00        2.49    
WTZR*  7.0   0.109      -0.350        47.7        5.02        2.95    
WUHN   3.0    45.3      -0.125        67.6        5.37        3.67    
YAR1*  6.8    203.       0.575e-01    82.9        3.91        2.23    
YELL*  6.9   0.249       0.184        37.5        4.00        1.40    
PRN01  6.7    4.10        209.        50.3        5.00        2.04    
PRN03  7.0    2.09        95.3        52.0        5.00        2.25    
PRN04  7.0   0.919        342.        48.8        5.00        2.05    
PRN05  6.0    3.53        330.        48.0        4.84        2.08    
PRN06  6.0    9.65       -1.94        49.2        5.00        2.05    
PRN07  7.0    2.08        659.        50.2        5.00        2.12    
PRN08  6.9    4.23        660.        52.9        5.00        1.97    
PRN09  7.0    2.38       -22.9        48.2        5.00        2.02    
PRN10  7.0    3.25        15.9        51.2        5.00        2.24    
PRN11  7.0   0.324        6.55        50.6        5.00        2.13    
PRN13  7.0   0.285      -0.588        52.7        5.16        2.11    
PRN14  7.0   0.367       -114.        50.0        5.00        2.28    
PRN18  7.0   0.485       -75.8        49.8        5.00        2.33    
PRN20  7.0   0.268       -125.        51.7        5.00        2.19    
PRN21  7.0    3.90        5.04        47.8        5.00        2.34    
PRN22  7.0    1.77        532.        55.1        5.00        2.29    
PRN23  7.0    6.37        3.28        50.6        5.16        2.31    
PRN24  7.0    3.00        15.4        50.2        5.00        2.30    
PRN25  7.0    2.47        21.0        49.3        5.00        2.43    
PRN26  6.7   0.908       -19.5        49.5        5.00        1.90    
PRN27  6.9    3.79        6.11        51.9        5.00        2.20    
PRN28  6.9   0.816       -50.0        51.8        4.45        1.95    
PRN29  6.7   0.826        580.        49.4        5.00        2.29    
PRN30  7.0    2.36        249.        49.2        5.00        2.07    
PRN31  7.0    5.51        82.9        53.9        5.00        2.15    
_______________________
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 12 23   01 12 24   01 12 25   01 12 26   01 12 27   01 12 28   01 12 29
prn   3d rss (cm)
  1     514        510        555        575        588        482        523   
  3     298        294        363        411        259        215        249   
  4     147        209        152        323        272        182        211   
  5     265        250        588        441        172        161              
  6                720        642        602        803        609        678   
  7     128        188        179        225        769        640        472   
  8     324        321        325        388        407        417        304   
  9     429        208        210        367        317        267        513   
 10     222        227        313        367        427        439        442   
 11     323        340        244        211        197        203        296   
 13     213        223        241        254        371        344        268   
 14     330        202        212        227        287        284        216   
 18     242        542        316        269        266        306        220   
 20     300        359        297        262        215        181        183   
 21     391       1425        406        321        263        715       1094   
 22     260        359        341        333        320        334        692   
 23    1011        668        885        576        583       1034        942   
 24     303        861        742        666        771        624        290   
 25     393        291        429        597        256        291        240   
 26     360        282        278        273        370        253        268   
 27     327        340        447        437        390        513        379   
 28     229        224        223        290        362        256        194   
 29     289        212        298        357        511        427        500   
 30     344        285        162        164        259        189        154   
 31     482        368        509        420        566        681        891   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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