[IGSREPORT-7465] Wk 1074 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Mon Aug 21 17:43:03 PDT 2000


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IGS Electronic Report   21 Aug 17:43:04 PDT 2000      Message Number 7465
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1074 (DAYS 219-225, DATES 2000 Aug 06 - Aug 12)
******************************************************************************

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/1074.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl10747.sum         This text file.
jpl10747.erp         Earth rotation parameters for GPS week 1074.
jpl10747.snx         Ground station coordinates for GPS week 1074, SINEX format.
jpl1074[0-6].sp3     GPS ephemerides for GPS week 1074, sp3 format.
jpl1074[0-6].tro     Ground station troposphere estimates for GPS week 1074.
jpl1074[0-6].clk     GPS and ground station clocks for GPS week 1074, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 9.0 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: NRC1 (not USNO) used as reference clock day 219.
WARNING: Data from GRAS, HOLP, LBCH, WTZT excluded day 220.
WARNING: Data from FORT, HOLP, KWJ1, LBCH, WTZT, ZECK excluded day 221.
WARNING: Data from ESTI, FORT, HNPT, HOLP, LBCH, NOUM, WTZT excluded day 222.
WARNING: Data from FORT, HARV, HOLP, LBCH, NOUM excluded day 223.
WARNING: Data from DGAR, ESTI, HARK, LBCH, SFER, TORP excluded day 224.
WARNING: Data from HARK, LBCH, TEGU, TORP excluded day 225.

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 1074 (2000 Aug 06 - Aug 12)
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
51762.50   83656  249053   1810810    939  27  31  104  104 42  0 27  -862  -797
51763.50   82878  248475   1809812   1057  29  34  107  107 42  0 26 -1107  -423
51764.50   81795  248177   1808592   1383  27  30  103  103 42  0 27  -855  -561
51765.50   80663  247793   1807392   1018  29  33  142  142 42  0 26 -1194  -355
51766.50   79413  247637   1806034   1698  31  36  113  113 42  0 26 -1911  -310
51767.50   77498  247027   1804001   2368  33  36  118  118 42  0 27 -2059 -1034
51768.50   75816  246242   1801658   2317  30  35  117  117 42  0 27 -1403  -656
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1074:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1074 (2000 Aug 06 - Aug 12)
      00  8  6   00  8  7   00  8  8   00  8  9   00  8 10   00  8 11   00  8 12
prn   3d rss (cm)
  1       4          6          6         21         19          9          8   
  2      10          7         11                    15         11          5   
  3       9          9         27         20         20         17         10   
  4       3          7          6         15          9          8          8   
  5       4          6          5         16         24          7          8   
  6       4         12          7          6          4          6          5   
  7       4          5          7         12         12          5          6   
  8       4          6          8          7         12          7          7   
  9       7          6          9         16         12          9          6   
 10       5          6          5         12          8          9          6   
 11       8          9         16         15         14         11         11   
 13       8          6          8         13         14         10         11   
 15      23                    21         20         32         12          9   
 16       6          6          7         11         13         33         36   
 17       7          7          7          9          6         12         11   
 19       6          8         12         11         16         25         21   
 20       6          7          7          6         20          8         10   
 21       7          9          9          7         16          8          8   
 22       5         15          6          7         12          9          5   
 23      20         19         12         22         27         15         14   
 24      13         12         15         20         13         11         28   
 25       5          8          4         10         10         12          8   
 26      12          7          8         14         15         11         12   
 27       3          8          8          8         13          9          9   
 29       6          8          8          3                     6         11   
 30       3          4          6          5          5          7          6   
 31      12         13          8         10         16          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 1074 (2000 Aug 06 - Aug 12)
 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    .173        .569        34.6        5.18        2.94    
AOML   1.0    20.6       -.127e-01    69.0        8.00        2.31    
AREQ*  1.0    28.0        28.1        30.0        4.00        3.76    
ARTU   5.9    15.7       -.870e-01    36.8        6.40        2.58    
ASC1   5.6    48.7       -.376e-02    79.3        6.50        2.82    
AUCK*  5.0    19.8       -.101e-03    55.7        4.88        2.89    
BAHR*  7.0    .622        785.        31.2        6.17        3.72    
BARB   7.0    19.5       -.961e-01    27.2        7.31        3.20    
BJFS   1.0    3.26        840.        20.0        7.00        3.20    
CHAT*  1.0    26.9       -.541e-02    84.0        6.00        2.71    
CIC1   5.0    44.0       -.810e-02    49.6        5.00        2.65    
COCO   1.0    16.4        .393e-02    28.0        5.00        4.38    
DAV1*  6.9    15.6       -.326e-02    48.6        4.25        1.18    
DGAR   5.5    99.4       -.144e-01    32.8        5.81        3.16    
EISL   7.0    44.4       -.105e-01    74.9        5.29        2.79    
FAIR*  6.8    57.5       -.566        26.5        5.29        1.70    
FORT*  2.9    .302        .362          .         6.84        1.85    
GALA   5.9    27.3       -.101        32.8        5.00        4.54    
GOUG   3.9    .288e+06    499.        59.2        5.27        2.51    
GUAM*  6.9    21.4       -.131        46.4        8.15        3.36    
HARK*  1.5    20.4        263.        65.0        5.68        2.87    
HOB2*  3.0    .174       -11.6        35.1        5.67        3.21    
HOLB   2.0    112.        189.        42.8        4.00        3.19    
HRAO   4.7    1.10        143.        79.8        5.29        3.26    
INEG    .9    .290e+06    3.62        61.0        6.00        .843    
IRKT*  7.0    .517        .270e+04    69.8        5.15        2.72    
JAB1   6.6    20.3       -.108        58.9        5.16        3.15    
KELY   3.5    .144e+04   -.138        56.5        5.97        1.15    
KERG*  7.0    .289e+06    500.        46.0        5.88        2.16    
KOKB*  7.0    .113       -2.36        59.4        6.33        2.82    
KUNM   1.0    73.1       -.563e-01    85.0        6.00        2.46    
KWJ1*  4.6    .442e+06    8.07        65.3        6.24        .950    
LHAS*  6.0    13.8       -.505e-02    34.0        5.55        3.59    
MAC1*  6.8    14.7       -.952e-01    33.4        4.00        1.91    
MAG0   4.6    14.3       -.841e-01    47.4        5.31        2.43    
MALI*  6.8    .221e+06   -628.        96.0        7.28        1.54    
MAS1*  4.0    2.57        .237        29.7        4.53        3.65    
MCM4*  5.8    .668e+04    13.7        55.0        5.00        1.06    
MDO1*  1.0    41.3       -.423        63.0        6.00        2.79    
NKLG   6.9    .286e+06    499.        71.7        7.31        1.77    
NRC1   1.1    .           .           48.0        5.00        3.24    
NTUS   5.2    183.       -.195e-01    64.2        7.51        .916    
NYA1   6.9    44.0       -.284        31.3        4.14        1.67    
ONSA*  7.0    9.65       -.506e-01    42.6        4.77        2.66    
PETP   2.0    16.6       -.777e-01    45.6        6.00        3.07    
PIMO   1.0    31.1        .449e-02      .         5.00        1.71    
RIOG   5.0    16.1       -.796e-01    33.6        4.43        2.74    
SANT*  6.2    21.9        .352e-01    31.4        5.00        2.11    
SELE   1.9    44.9       -.660e-02    69.4        4.00        3.06    
SFER   3.0    .591        950.        84.7        5.00        2.56    
STJO   2.0    4.42        .618        28.5        5.10        3.16    
SUTH   1.0    23.2       -.395e-02    67.0        5.00        2.57    
TEGU    .8    .289e+06    518.        97.0        7.00        1.35    
THTI   7.0    .289e+06    504.        79.8        6.46        2.16    
TIDB*  7.0    .201        522.        31.9        5.45        3.56    
TIXI   2.0    11.1       -.846e-01    44.5        5.00        2.42    
TRAB   1.0    15.6        .388e-01    45.0        5.00        3.05    
TSKB*  7.0    1.93       -.363        67.6        5.15        3.02    
USNO   6.3    .           .           47.8        6.86        3.33    
USUD   2.0    345.       -1.76        38.6        4.52        2.09    
VESL   2.9    .289e+06    497.        44.0        5.30        1.99    
WTZR*  7.0    .271       -.269        54.4        5.45        3.01    
WUHN   3.0    .854e+05   -10.7        86.3        6.69        3.57    
YAR1*  6.8    273.        .487        54.9        4.20        2.01    
YELL*  7.0    .152        .428        43.8        5.00        1.46    
PRN01  6.9    3.78        140.        48.6        5.76        2.30    
PRN02  6.0    2.57       -253.        52.4        5.39        2.40    
PRN03  7.0    2.40        29.3        52.0        5.15        2.31    
PRN04  6.9    .905        308.        52.6        5.73        2.30    
PRN05  7.0    3.15        260.        53.2        5.88        2.23    
PRN06  6.9    78.9        .743        53.2        5.58        2.11    
PRN07  7.0    1.81        148.        54.6        5.59        2.30    
PRN08  7.0    2.74        374.        49.1        5.16        2.20    
PRN09  7.0    2.30       -2.92        50.9        5.73        2.04    
PRN10  7.0    2.22        54.9        53.6        5.63        2.26    
PRN11  7.0    .401        524.        53.3        6.00        2.23    
PRN13  7.0    .872       -822.        53.6        5.63        2.21    
PRN15  6.0    3.04        846.        55.6        6.22        1.96    
PRN16  6.7    17.0       -2.91        51.2        5.30        2.03    
PRN17  7.0    4.08       -268.        54.4        5.33        2.23    
PRN19  7.0    4.02        256.        49.1        5.45        2.24    
PRN20  7.0    .516       -70.7        51.7        5.73        2.39    
PRN21  7.0    3.17        14.1        52.5        5.46        2.32    
PRN22  7.0    6.51        180.        54.3        5.31        2.32    
PRN23  7.0    4.25        13.9        56.1        6.66        2.30    
PRN24  7.0    .920        773.        50.9        6.30        2.45    
PRN25  7.0    2.35        7.33        51.9        5.73        2.45    
PRN26  7.0    .751        532.        51.4        5.87        2.19    
PRN27  7.0    3.94        27.6        47.9        5.16        2.26    
PRN29  6.0    1.06        707.        53.1        5.85        2.41    
PRN30  7.0    1.35       -32.5        53.3        5.31        2.31    
PRN31  7.0    3.14        6.97        52.9        5.31        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
      00  8  6   00  8  7   00  8  8   00  8  9   00  8 10   00  8 11   00  8 12
prn   3d rss (cm)
  1     606        751        796        809        663        895        457   
  2     190        334        353                  1072        432        492   
  3     293        375        364        330        189        240        487   
  4     330        338        469        339        221        269        482   
  5     338        436        617        354        437        386        541   
  6     598        579        717        542        620        688        777   
  7     203        192        183        166        263        304        285   
  8     758        461        369        266        167        355        809   
  9     172        445        207        137        298        578        821   
 10     472        545        581        363        456        399        602   
 11     596        499        192        204        299        231        300   
 13     357        476        403        482        230        394        686   
 15    1781                  1374       2025       1433       1811       1916   
 16    1063        974        599        490        784       1057        713   
 17     243        336        309        238        280        400        354   
 19    1283        648        564        398        382        291        571   
 20     390        539        468        393        387        474        340   
 21     490        350        170        207        265        382        285   
 22     212        370        260        302        271        333        295   
 23     671        634        615        707        781        550        623   
 24     712        918        542        847        265        410        752   
 25     306        316        357        370        354        374        394   
 26     674        591        585        395        708        422        613   
 27     441        440        426        431        393        424        455   
 29     411        444        449        380                  3085        896   
 30     377        348        276        462        401        209        250   
 31     171        240        402        444        358        543        641   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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