[IGSREPORT-8629] Wk 1131 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Thu Sep 20 16:39:41 PDT 2001


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IGS Electronic Report   20 Sep 16:39:42 PDT 2001      Message Number 8629
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1131 (DAYS 252-258, DATES 2001 Sep 09 - Sep 15)
******************************************************************************

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/1131.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl11317.sum         This text file.
jpl11317.erp         Earth rotation parameters for GPS week 1131.
jpl11317.snx         Ground station coordinates for GPS week 1131, SINEX format.
jpl1131[0-6].sp3     GPS ephemerides for GPS week 1131, sp3 format.
jpl1131[0-6].tro     Ground station troposphere estimates for GPS week 1131.
jpl1131[0-6].clk     GPS and ground station clocks for GPS week 1131, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 6.0 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 PRN19 excluded the entire GPS week 1131.
WARNING: Data from PRN17 excluded days 252-254 and 256-258.
WARNING: Data from PRN21 excluded day 257.
WARNING: Data from BAHR, BJFS, DRAG, IRKT, JAB1, LAMA, LBCH, WLSN excluded day           252.
WARNING: Data from BJFS, DRAG, HARV, JAB1, KELY, LBCH, MALI, MEDI, SSIA, WLSN            excluded day 253.
WARNING: Data from BAHR, BJFS, DRAG, JAB1, JAMA, LBCH, MEDI, NICO, SSIA, WLSN            excluded day 254.
WARNING: Data from AREQ, DRAG, JAMA, LBCH, SSIA, WLSN excluded day 255.
WARNING: Data from DRAG, KARR, LAE1, LBCH, NICO, WLSN excluded day 256.
WARNING: Data from DRAG, HFLK, JAMA, KARR, LAE1, LBCH, THU1, WLSN excluded day           257.
WARNING: Data from DRAG, JAB1, JAMA, KARR, KOUR, LAE1, LBCH, WLSN excluded day           258.

JPL REFERENCE CLOCK TABLE                   GPS week 1131 (2001 Sep 09 - Sep 15)
 2001-09-09 NRC1
 2001-09-10 NRC1
 2001-09-11 NRC1
 2001-09-12 NRC1
 2001-09-13 NRC1
 2001-09-14 NRC1
 2001-09-15 NRC1
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 1131 (2001 Sep 09 - Sep 15)
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
52161.50  136005  136408   -486371   2443  32  40  178  178 42  0 26 -2139 -1518
52162.50  133438  135202   -488735   2284  32  40  177  177 42  0 26 -2418 -1580
52163.50  130439  134036   -490812   1871  33  40  178  178 42  0 26 -3258 -1332
52164.50  127276  132822   -492602   1708  32  39  177  177 42  0 27 -2756 -1183
52165.50  124125  131693   -494280   1649  34  42  181  181 42  0 26 -3296  -990
52166.50  120643  130578   -495861   1513  35  43  181  181 42  0 25 -3693  -940
52167.50  116982  129672   -497691   2147  35  43  178  178 42  0 26 -3922  -874
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1131:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1131 (2001 Sep 09 - Sep 15)
      01  9  9   01  9 10   01  9 11   01  9 12   01  9 13   01  9 14   01  9 15
prn   3d rss (cm)
  1       3          5          5          4          6          6          6   
  2       9          6         18         21          8          4          5   
  3       8          6          4         13          6          8          6   
  4       6          5          4          4          8          8          6   
  5       4          6          4          6          4          7          6   
  6       4          3          5          7          4          8          6   
  7       5          3          6         11         10          6          6   
  8       4          4          4          5          4          5          6   
  9       6          6          6          5          5          5         11   
 10       6          2          5          5          3          5         12   
 11      13         10          8         14         16         12         12   
 13       4          5          4          6          5          6          5   
 14       8          6          8         12          7          6          9   
 18       6          6          4          5          3          5          5   
 20      10         12         11          5          6         16         12   
 21      16          8         11          9          5                    11   
 22       3          4          5          6          4          6          5   
 23       8         11         12         11          8          8          9   
 24       5          4          4          4          5          6          7   
 25       8          5          4          6          6          5          6   
 26       3          6          4          8          4          7          6   
 27       5          4          5          8          5          8          3   
 28       4          4          5          8          7          5          6   
 29      11         12          8          5         13         10          4   
 30       3          4          4          4          4          7          5   
 31       6          5          4          2          7          6          5   
_______________________
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 1131 (2001 Sep 09 - Sep 15)
 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   1.0   0.679      -0.256e-01    68.0        4.00        3.03    
ALGO*  7.0   0.125       0.224        35.9        4.55        3.54    
ALIC   1.0    168.      -0.603e-01    62.0        5.00        3.92    
AOML   1.0    25.5      -0.107e-01    55.0        5.00        2.98    
AREQ   5.0    38.7        50.4        27.2        4.00        2.78    
ARTU   6.0    21.9      -0.961e-01    36.0        4.69        2.65    
AUCK*  7.0    20.3      -0.875e-03    54.5        4.03        2.82    
BAHR*  3.9   0.536        839.        32.0        5.27        3.58    
BILI   6.0    13.2      -0.928e-01    38.8        5.00        2.72    
CIC1   6.0    55.5      -0.108e-01    61.5        4.00        2.95    
COCO   1.0    12.2      -0.127e-01    17.0        7.00        3.08    
CRO1   3.0   0.398        790.        36.7        5.00        3.83    
DAV1*  7.0    24.8      -0.968e-02    29.4        3.64        1.14    
EISL   6.8    61.6      -0.322e-01    77.3        4.47        2.68    
FAIR*  5.5    1.86       -5.26          .         3.00       0.911    
FORT*  3.5    1.18      -0.888e-01    86.1        4.79        1.91    
GALA   1.9    25.0      -0.110        34.5        4.49        2.73    
GOUG   0.9   0.289e+06    488.        55.0        4.00        2.42    
GUAM*  6.9    34.7      -0.152        56.4        6.14        3.29    
HARB   3.0    9.45        328.        61.3        5.00        2.74    
HOB2*  6.0   0.122       -2.56        31.8        4.71        3.48    
HRAO   4.0    35.9      -0.959e-01    72.5        4.81        3.74    
IISC   5.7    29.7      -0.135        57.0        6.17        2.44    
IRKT*  4.7   0.169       0.207        60.5        4.39        2.57    
JAB1   1.9    33.6      -0.133        41.0        5.00        2.61    
JAMA   1.0    26.8      -0.950e-01    41.0        7.00        3.48    
KELY   1.0    20.0      -0.505e-02    35.0        6.00        1.16    
KERG*  7.0    1.82        13.1        56.4        5.00        2.52    
KOKB*  7.0    1.48      -0.158e-01    43.8        5.16        1.25    
KOUR*  4.0    31.1      -0.111        44.3        5.76        3.78    
KSTU   0.8    15.9       0.176e-03    46.0        5.00        2.10    
KUNM   0.9   0.328e+04   0.174        82.0        5.00        2.23    
LAE1   4.0    30.5      -0.141        61.0        6.50        3.33    
LHAS*  4.0    14.9      -0.429e-02    32.8        5.00        3.84    
MAC1*  6.9    14.8      -0.554e-02    30.1        3.31        2.00    
MAD2   1.0   0.116       0.936e-01    42.0        5.00        2.90    
MALI*  4.7    90.2        227.        66.8        7.23        2.39    
MAS1*  4.0    2.96        59.3        43.0        4.76        3.03    
MATE*  1.0   0.114        969.        67.0        6.00        2.21    
MBAR   2.0    41.9      -0.114        30.0        6.00        2.62    
MCM4*  6.7   0.952e+04    25.6        64.0        4.82        1.02    
MDO1*  1.0    53.0       -1.30        71.0        4.00        3.09    
MSKU   3.0    40.5      -0.108        33.4        5.00        3.05    
NKLG   4.0   0.285e+06    474.        66.8        6.00        1.53    
NOT1   2.9   0.481        988.        79.8        6.00        2.09    
NRC1   7.4    .           .           40.3        4.63        3.50    
NRIL   1.9    16.4      -0.958e-01    23.0        4.54        2.27    
NTUS   6.0    40.6      -0.129e-01    63.2        7.17        3.42    
NYAL*  7.0   0.187       0.921e-01    35.1        4.00        1.30    
OHIG*  7.0    16.3      -0.640e-02    45.2        4.15        2.43    
ONSA*  7.0    1.77        316.        42.6        4.34        2.48    
PERT*  1.0    22.7      -0.955e-01    63.0        6.00        3.08    
REYK   1.0    8.50      -0.702e-02    46.0        6.00        1.70    
SANT*  6.9    25.1      -0.117        22.1        5.00       0.998    
SELE   1.0    58.3       0.133e-02    67.0        3.00        2.82    
SLOR   0.5   0.289e+06    499.        70.0        6.00        2.01    
SSIA   4.0   0.289e+06    496.        77.8        6.02        1.57    
SYOG   0.9   0.815        286.        43.0        5.00        2.39    
THTI   7.0    3.72        672.        73.6        5.87        2.26    
TIDB*  7.0   0.183        318.        28.9        5.30        3.84    
TRAB   3.0    18.5       0.331e-01    46.0        5.35        3.09    
TSKB*  7.0    160.       -1.01        58.9        4.61        2.97    
URUM   0.9    19.4      -0.122e-01    36.0        6.00        3.27    
USUD   6.0   0.461        355.        31.0        6.02        3.36    
WHIT   4.0    23.6       -42.7        28.5        4.26        2.35    
WTZR*  7.0   0.116      -0.973        46.0        5.00        2.93    
WUHN   5.0    72.2      -0.129        69.8        6.00        3.72    
YAKT   1.0   0.890        496.        26.0        4.00       0.807    
YAR1*  6.1    336.      -0.627e-01    75.6        3.16        1.93    
YAR2   2.0    3.90      -0.116e+05    29.5        3.54        3.55    
YEBE   2.0   0.435        638.        51.0        4.54        1.96    
YELL*  7.0   0.115       0.401e-01    42.5        4.32        1.90    
PRN01  7.0    3.80        194.        49.0        5.00        2.15    
PRN02  7.0    2.92       -73.3        48.3        5.00        2.43    
PRN03  7.0    2.16        65.1        48.3        5.00        2.37    
PRN04  7.0   0.955        564.        52.2        5.00        2.37    
PRN05  7.0    3.82        314.        49.8        5.00        2.18    
PRN06  7.0    6.94      -0.207        47.9        5.00        2.28    
PRN07  7.0    1.77        420.        51.3        5.00        2.34    
PRN08  6.8    3.06        534.        46.9        5.00        2.11    
PRN09  6.9    2.29       -7.15        49.1        5.00        2.17    
PRN10  7.0    2.57        10.1        51.6        5.00        2.55    
PRN11  6.7   0.647        3.85        50.6        5.00        2.15    
PRN13  7.0   0.327       -5.04        52.5        5.00        2.37    
PRN14  7.0   0.298       -123.        50.0        5.00        2.18    
PRN17  1.0    4.38       -243.        44.0        5.00        2.36    
PRN18  7.0   0.505       -74.3        49.1        5.00        2.40    
PRN20  7.0   0.312       -98.0        51.8        5.16        2.25    
PRN21  6.0    3.80        4.89        49.7        5.00        2.33    
PRN22  7.0    2.28        165.        52.5        5.00        2.41    
PRN23  7.0    5.77        19.9        50.6        5.16        2.50    
PRN24  7.0    2.70        79.4        52.2        5.00        2.26    
PRN25  7.0    2.42        17.5        48.9        5.16        2.24    
PRN26  7.0   0.725        1.86        48.6        5.15        2.34    
PRN27  6.9    4.89        33.8        47.3        5.00        2.25    
PRN28  7.0    1.10       -19.1        52.1        4.74        2.16    
PRN29  7.0   0.778        628.        49.2        5.00        2.21    
PRN30  7.0    3.33      -0.311        50.5        5.00        2.19    
PRN31  7.0    3.42        63.5        50.2        5.00        2.22    
_______________________
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  9  9   01  9 10   01  9 11   01  9 12   01  9 13   01  9 14   01  9 15
prn   3d rss (cm)
  1     248        201        288        287        246        270        342   
  2    1379        881        707       1004        244        264        219   
  3     241        300        243        248        283        225        339   
  4     529        442        193        282        378        346        300   
  5     381        292        385        455        533        415        476   
  6     456        467        526        550        627        573        462   
  7     426        428        255        193        346        408        312   
  8     304        307        375        383        340        427        355   
  9     503        346        462        303        343        473        367   
 10     249        486        159        190        341        272        420   
 11     193        243        221        232        319        332        395   
 13     234        206        252        272        276        366        369   
 14     304        285        285        300        308        372        364   
 17                                      706                                    
 18     213        265        253        274        278        253        260   
 20     207        255        276        318        304        342        382   
 21     430        455        274        649        308                   872   
 22     245        221        462        532        435        337        232   
 23     554        990       1036       1423       1138        834        477   
 24     341        574        426        279        386        437        492   
 25     339        550        569        512        430        525        444   
 26     163        251        374        230        277        235        335   
 27     478        586        959        779        663        492        439   
 28     250        228        242        278        261        234        242   
 29     262        338        395        494        306        219        250   
 30     239        231        274        165        194        295        467   
 31     313        300        261        258        271        218        216   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   albh algo alic aoml areq artu auck bahr bili cic1 coco cro1 dav1 eisl fair fort gala goug guam harb hob2 hrao iisc irkt jab1 jama kely kerg kokb kour kstu kunm lae1 lhas mac1 mad2 mali mas1 mate mbar mcm4 mdo1 msku nklg not1 nrc1 nril ntus nyal ohig onsa pert reyk sant sele slor ssia syog thti tidb trab tskb urum usud whit wtzr wuhn yakt yar1 yar2 yebe yell



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