Subject: [IGSREPORT-6399] Wk 1023 JPL Analysis Report
From: D C Jefferson
Date: Tue, 31 Aug 1999 16:22:19 PDT

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IGS Electronic Report    Tue Aug 31 16:22:19 PDT 1999      Message Number 6399
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Author: D C Jefferson
Subject: Wk 1023 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 1023 (DAYS 227-233, DATES 1999 Aug 15 - Aug 21)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

D C Jefferson, Y E Bar-Sever, M B Heflin, M M Watkins, 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/1023.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl10237.sum         This text file.
jpl10237.erp         Earth rotation parameters for GPS week 1023.
jpl10237.snx         Ground station coordinates for GPS week 1023, SINEX format.
jpl1023[0-6].sp3     GPS ephemerides for GPS week 1023, sp3 format.
jpl1023[0-6].tro     Ground station troposphere estimates for GPS week 1023.
jpl1023[0-6].clk     GPS and ground station clocks for GPS week 1023, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 10.0 cm

Beginning this week, we add several new candidate global stations.  As with
other sites, these stations are given the opportunity to participate in the
orbit and clock solution as the global site distribution varies.  The following
nominal coordinates were assumed:
                                        X (m)          Y (m)          Z (m)
ALIC (Alice Springs, Australia)   -4052052.0118   4212836.1571  -2545105.7681
CEDU (Ceduna, Australia)          -3753472.4218   3912741.0428  -3347960.8161
DARW (Darwin, Australia)          -4091358.9468   4684606.7710  -1408580.3470
JAB1 (Jabiru, Australia)          -4236442.9935   4559929.6719  -1388624.5419
KARR (Karratha, Australia)        -2713832.4408   5303935.1952  -2269514.9453
MAW1 (Mawson, Antarctica)          1111287.1792   2168911.3065  -5874493.7239
NRC2 (Ottawa, Ontario, Canada)     1112777.3149  -4341475.9124   4522955.8496
STR1 (Canberra, Australia)        -4467102.4973   2683039.4897  -3666949.7338
TOW2 (Cape Ferguson, Australia)   -5054582.8820   3275504.4653  -2091539.6297

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: PIE1 (not USNO) used as reference clock days 231-233.
WARNING: Data from PRN15, FORT, KOUR, TABL excluded day 227.
WARNING: Data from BRUS, FORT, NYAL excluded day 228.
WARNING: Data from AMC2, BRUS excluded day 229.
WARNING: Data from BRUS, CAS1, KELY, MADR, MAS1, NYAL, TRO1, TROM excluded               day 230.
WARNING: Data from PRN23, CAS1, EISL, NYAL, POL2 excluded day 231.
WARNING: Data from PRN02, PRN15, CAS1 excluded day 232.
WARNING: Data from PRN15, JAB1 excluded day 233.

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 1023 (1999 Aug 15 - Aug 21)
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
51405.50  -11745  350322   4860668   5303  38  42  129  129 39  0 26   -17   995
51406.50  -11378  351436   4854926   6182  44  44  135  135 39  0 27   304  1395
51407.50  -10631  352743   4848826   6017  39  43  125  125 39  0 27   717  1312
51408.50  -10053  353935   4842678   6280  45  47  125  125 39  0 27   356  1127
51409.50   -9545  355138   4836489   6097  44  50  137  137 39  0 26   669  1534
51410.50   -8960  356086   4830232   6417  53  52  181  181 39  0 25  1403  1010
51411.50   -8336  357495   4823768   6512  48  52  152  152 39  0 26   762  1474
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1023:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1023 (1999 Aug 15 - Aug 21)
      99  8 15   99  8 16   99  8 17   99  8 18   99  8 19   99  8 20   99  8 21
prn   3d rss (cm)
  1       9          9          9          6         10          9          9   
  2      10          9          5          7          5                     5   
  3      15         22         18         24         23         18         20   
  4       8          9          8          7          9         11          8   
  5      10         10          9         14          9         14         11   
  6       8         11          9         12          9         14         16   
  7       8         11          9          7          6          5          6   
  8       9          9         10          9          9         13          9   
  9      12          9         18         14         11         10         11   
 10       7         15          6         10          9         14         10   
 13      11         18         10          7          6          7         14   
 14      14         13         11         16          8          8          8   
 15                  6          5          6          5                         
 16      11          7          6          4          8          6          6   
 17      10         18         16          6         16          7          9   
 18       8          6          6          6          6         13          8   
 19       9         16         12         10          7         11         10   
 21      12         12         15          8         11         12          8   
 22      15         16          4          5         10         10         17   
 23      24         19         18         36                    23         21   
 24      14         16         11          7          8         10         12   
 25      13         11         11          9         10          6          9   
 26      12         14         19         12         12         15         15   
 27       8         14          6          6          4          5          7   
 29      11         10         10          6          7          9          9   
 30      12          8         16         20         11         15         17   
 31      13         10          9         22         13          9          9   
_______________________
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 1023 (1999 Aug 15 - Aug 21)
 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    160.       -.687        64.4        5.12        2.75    
AOML   2.0    .861e+04   -.142        51.7        6.00        2.42    
AREQ*  1.9    96.5       -.179e-02    56.5        4.00        2.45    
ASC1   2.9    118.       -.626e-02    95.4        5.00        1.71    
AUCK*  4.0    84.6       -.134e-01    46.8        4.28        2.76    
BAHR   3.0    .914        910.        39.7        6.35        3.26    
BARB   1.9    98.0       -.850e-01    44.6        7.54        3.75    
BOGT   3.6    .576e+05   -.670        88.1        6.00        1.30    
BOR1    .9    4.18       -.483        32.0        5.00        2.52    
CHAT*  2.0    99.7       -.367e-02    84.5        5.00        2.73    
CHUR   1.0    7.03        4.95        39.0        6.00        1.79    
COCO   3.9    261.       -.349e-02    78.1        6.00        2.17    
DAEJ   1.0    2.96        124.        69.0        6.00        2.69    
DAV1*  1.9    137.       -.971e-02      .         5.47        1.44    
DGAR   6.0    112.       -.285e-01    69.8        5.77        1.72    
EISL   5.8    124.       -.153e-01    59.3        5.37        2.78    
FAIR*  7.0    7.16       -.649        36.5        5.73        1.67    
FORT*  2.9    .186        .115        73.5        5.00        1.98    
GOL2*  6.5    203.        1.67        65.1        5.15        2.28    
GOUG   1.8    .290e+06    501.        58.1        5.53        3.09    
GUAM*  7.0    134.       -.132e-01    78.5        6.45        2.07    
HARK*  5.1    .288e+06    501.        56.3        4.61        3.09    
HOB2*  3.2    .194e+04   -6.19        51.4        5.33        2.74    
HOLB    .2    8.13        126.        26.0        5.00        1.90    
HRAO   5.0    64.7       -2.74        49.8        4.00        2.56    
IRKT*  4.9    .297        315.        60.6        5.00        2.77    
JAB1   3.7    92.4       -.953e-01    41.5        5.00        3.68    
JPLM   1.0    3.12        23.9        47.0        4.00        3.05    
KELY   1.7    101.       -.182e-01      .         6.00        1.21    
KERG*  6.2    .289e+06    501.          .         5.51        2.80    
KIT3*  4.9    303.        .487e-03    78.9        5.00        3.01    
KOKB*  7.0    72.4       -.185        46.5        7.00        3.89    
KWJ1*  7.0    114.       -.176e-01    86.4        6.62        1.91    
LPGS    .9    137.        .419e-01    57.0        5.00        3.21    
MAC1*  4.2    90.8       -.120e-01    38.2        5.42        1.74    
MAD2   2.8    .622e-01   -.598        79.8        6.29        2.72    
MAG0   1.9    .289e+06    463.        32.5        5.00        2.50    
MALI   3.4    .323e+04   -39.9        85.7        8.00        2.00    
MCM4*  5.7    117.        .327e-03    48.5        5.19        1.03    
MKEA   5.0    .112       -.300        61.2        5.00        2.56    
NANO    .9    4.92        158.        43.0        6.00        2.72    
NOTO   2.0    .964e-01    176.        65.5        5.52        3.24    
NRC1   2.0    8.18        .366e-01    69.1        6.36        2.33    
NTUS    .8    192.       -.858e-01    97.0        6.00        1.42    
NYA1   5.9    254.       -.168        43.3        5.86        1.48    
ONSA*  3.6    31.6       -.528e-01    47.1        4.83        2.11    
PETP   4.9    .138e+06    94.5        37.3        6.62        2.79    
PIE1*  2.9    .           .           48.0        5.69        2.69    
PIMO   7.0    127.       -.199e-01    67.1        6.59        2.15    
POL2   1.0    98.8       -.814e-02    63.0        4.00        2.73    
RAMO   3.0    .288e+06    498.        71.7        5.00        3.02    
RIOG   1.9    .289e+06    476.        27.9        4.00        3.25    
RIOP   3.0    94.3       -.233e-01    65.3        4.00        1.86    
SANT*  7.0    .457e+04    18.6        53.7        4.61        2.62    
SCH2   1.0    115.        1.86        54.0        6.00        3.07    
SELE   1.0    101.        .558e-02    42.0        4.00        2.90    
SEY1   1.0    111.       -.223e-01    80.0        6.00        2.14    
SFER    .8    .353        151.        70.0        4.00        2.75    
STJO   1.0    3.86        .383e-01    52.0        5.00        3.56    
SYOG   2.9    142.        .827        42.6        5.66        1.25    
THTI   5.1    .289e+06    510.        83.7        5.33        2.51    
THU1*  2.0    81.1       -.609e-02    47.0        7.69        1.89    
TID2*  6.7    .125        1.10        40.3        5.28        2.50    
TIXI   2.9    102.       -.732e-01    31.4        5.37        2.08    
TOUL   1.9    .476        1.13        62.9        5.57        2.70    
TSKB*  3.9    1.67       -.655        55.3        5.00        3.11    
USNO   4.4    .           .           60.0        6.27        2.75    
USUD   4.9    .132e+04    .808        44.2        5.80        2.92    
VESL   1.0    .289e+06    498.        33.0        5.00        2.43    
WSLR   1.0    37.5        837.        41.0        4.00        3.12    
WTZR*  4.9    3.31        .461e-01    56.3        6.40        3.11    
WUHN   2.0    238.       -.331e-01    55.1        5.00        2.44    
YAKZ   1.0    81.1       -.761e-01    44.0        6.00        2.78    
YAR1*  7.0    81.9       -.577e-02    40.2        4.61        2.27    
YELL*  6.9    .167        .167        45.1        5.04        1.34    
ZWEN*  1.9    95.4       -.130e-01    64.5        6.00        2.58    
PRN01  6.8    79.2        95.1        53.6        5.46        2.51    
PRN02  6.0    83.7       -98.9        60.6        5.17        2.40    
PRN03  7.0    82.1        33.1        61.6        5.00        2.38    
PRN04  7.0    83.3        68.4        58.2        5.86        2.20    
PRN05  7.0    82.8        213.        62.1        5.32        2.31    
PRN06  7.0    81.6       -.417e-01    59.5        5.31        2.04    
PRN07  7.0    81.7        577.        55.1        5.15        2.30    
PRN08  7.0    80.5        103.        59.1        5.31        2.19    
PRN09  7.0    81.8       -6.49        58.7        5.47        2.28    
PRN10  7.0    81.0        39.7        61.4        5.45        2.02    
PRN13  7.0    80.2       -99.2        59.0        5.44        2.31    
PRN14  7.0    78.0        30.2        54.8        5.73        2.39    
PRN15  4.0    3.05        716.        58.1        5.00        2.21    
PRN16  7.0    82.7        131.        57.5        5.64        2.45    
PRN17  7.0    79.1       -219.        61.2        5.16        1.93    
PRN18  6.9    82.4        26.0        54.5        5.74        2.33    
PRN19  7.0    80.9        35.8        58.8        5.31        2.18    
PRN21  7.0    83.8        27.6        59.4        5.30        2.39    
PRN22  7.0    81.0        34.5        62.5        5.36        2.34    
PRN23  6.0    81.2        3.98        62.3        6.00        2.32    
PRN24  7.0    81.3        587.        56.2        6.00        2.14    
PRN25  7.0    80.2        2.03        57.9        5.61        2.39    
PRN26  6.8    80.0        669.        55.4        6.00        2.18    
PRN27  7.0    84.6        29.5        59.4        5.16        2.20    
PRN29  6.8    81.6        523.        60.2        5.87        2.18    
PRN30  7.0    79.6       -28.8        59.4        5.72        2.36    
PRN31  7.0    78.9        23.6        58.2        5.31        2.19    
_______________________
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
      99  8 15   99  8 16   99  8 17   99  8 18   99  8 19   99  8 20   99  8 21
prn   3d rss (cm)
  1     285        364        397        430        280        385        352   
  2     186        226        265        243        185                   203   
  3     416        305        206        260        296        171        221   
  4     364        502        292        271        453        382        293   
  5     375        397        388        382        410        241        247   
  6     880        654        694        510        595        594        536   
  7     148        182        210        197        277        478        529   
  8     249        378        230        322        379        398        219   
  9     148        429        253        227        210        165        234   
 10     252        231        231        224        218        267        347   
 13     152        139        146        275        212        196        165   
 14     713        683        658       1166        684        433       1136   
 15                281        311        483        322                         
 16     466        670        364        374        492        815        678   
 17     288        234        201        271        210        202        287   
 18     805       1153        579        549        309        322        608   
 19     159        164        229        426        351        295        453   
 21     453        367        290        225        414        265        203   
 22     443        236        258        196        295        600        330   
 23     916        399        468        534                   554        965   
 24     449        457        760        572        805       1404        438   
 25     357        384        442        633        943        393        645   
 26     203        346        496        468        528        267        382   
 27     352        432        252        347        455        326        330   
 29     335        585        482        366        352        288        259   
 30     128        184        218        328        376        158        332   
 31     228        534        253        246        470        560        384   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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