Subject: [IGSREPORT-5514] Wk 0983 JPL Analysis Report
From: D C Jefferson
Date: Mon, 23 Nov 1998 16:48:12 PST

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IGS Electronic Report    Mon Nov 23 16:48:12 PST 1998      Message Number 5514
******************************************************************************

Author: D C Jefferson
Subject: Wk 0983 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0983 (DAYS 312-318, DATES 1998 Nov 08 - Nov 14)
******************************************************************************

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/0983.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09837.sum         This text file.
jpl09837.erp         Earth rotation parameters for GPS week 983.
jpl09837.snx         Ground station coordinates for GPS week 983, SINEX format.
jpl0983[0-6].sp3     GPS ephemerides for GPS week 983, sp3 format.
jpl0983[0-6].tro     Ground station troposphere estimates for GPS week 983.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 11.0 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: PIE1 (not USNO) used as reference clock days 314-317.
WARNING: NRC1 (not USNO) used as reference clock day 318.
WARNING: Data from COCO, LPGS excluded day 312.
WARNING: Data from COCO, CRO1, LPGS, MONP excluded day 313.
WARNING: Data from COCO, CRO1, LPGS, SANT excluded day 314.
WARNING: Data from ASC1, COCO, CRO1, GRAZ, LPGS, SANT excluded day 315.
WARNING: Data from ASC1, COCO, GRAZ, KELY, LPGS excluded day 316.
WARNING: Data from ASC1, COCO, GRAZ, HARK, KELY, NYAL excluded day 317.
WARNING: Data from COCO, FORT, HARK, IISC, LHAS, LPGS, VNDP excluded day 318.

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 983 (1998 Nov 08 - Nov 14)
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
51125.50  164023  384642  -2287511  15382  63  69  190  190 37  0 27   765 -2406
51126.50  164763  382267  -2303281  16158  63  71  194  194 37  0 27   665 -2365
51127.50  165347  380007  -2319364  16009  51  54  170  170 37  0 27   574 -2899
51128.50  165982  377736  -2335279  15821  47  55  168  168 37  0 27   314 -2235
51129.50  166773  375930  -2351056  15733  54  57  173  173 37  0 27   516 -2121
51130.50  166866  373659  -2366391  14936  59  67  189  189 37  0 27  -222 -1982
51131.50  166775  371803  -2381267  14817  50  63  178  178 37  0 27  -766 -1592
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 983:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 983 (1998 Nov 08 - Nov 14)
      98 11  8   98 11  9   98 11 10   98 11 11   98 11 12   98 11 13   98 11 14
prn   3d rss (cm)
  1       9         12         11         11         11         12         17   
  2      22          6         10          6          7         10          5   
  3      10         10         11         13         10         10          6   
  4       7          6          5         15          9          4         11   
  5      19         10          8         14         14          7          5   
  6       9         11         18         11          9          7          4   
  7      20         23          8         10         11         17         10   
  8      21         10          6         18         16         10          6   
  9      20         10          8         18         11          6          5   
 10      22         24          7         18         11          9         10   
 13      10          7          5         13         11          8         12   
 14      18         20         23         11         21         26         32   
 15      17         18         20          7          8         10         19   
 16       7         14          7          5         16         19         10   
 17       9         10         17         13         10         14          8   
 18       6         14          6         29         18          9         10   
 19      15         12          8         15         15         19         16   
 21      12         12         12         17         12         18         10   
 22       8          5         10          6         11         14         18   
 23      15         13         20         13         19          9         18   
 24      10          9          9         18         18          9          9   
 25       8         16         12         14         11         12         11   
 26      10         14         10          8         14         15         12   
 27      11          6          8          8          6         11         13   
 29       9         13          8         10         13          9         18   
 30      16         12         11         23         11          8          7   
 31       9         17          7         14         11         10          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 983 (1998 Nov 08 - Nov 14)
 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    .182        .906e-02    52.7        4.00        2.48    
AOML   2.0    98.3       -.275        60.4        5.00        2.54    
AREQ*  6.3    .960e+04    1.08        66.7        4.31        1.87    
ASC1    .7    .290e+04   -.241          .         4.00        1.17    
AUCK   4.0    92.5       -.218        54.0        4.00        2.52    
BAHR   7.0    1.26        30.7        41.5        5.76        1.88    
BOGT   2.9    704.       -.328        75.5        5.11        1.68    
CAS1   4.8    23.3        306.        43.4        5.40        .976    
CHAT   3.0    115.       -.367e-01    89.0        5.00        2.58    
CRO1   2.0    539.       -.113        66.5        5.51        2.00    
DAV1*  5.6    .926e+04    .279          .         5.01        1.15    
DGAR   3.4    358.       -.237        61.0        4.76        1.52    
EISL   5.8    535.       -.139        66.8        4.72        2.60    
FAIR*  6.7    46.3       -.110        53.8        4.82        1.57    
FLIN   1.0    84.6       -.260        43.0        3.00        2.84    
FORT*  4.8    1.14       -.150        83.9        5.89        1.33    
GALA    .7    312.       -.272          .         4.00        1.34    
GOL2*  7.0    .184       -1.40        56.1        4.31        2.38    
GOUG   4.9    .289e+06    499.        55.3        4.64        1.86    
GUAM*  6.0    126.       -.207        78.3        7.34        2.30    
HARK*  5.0    .351e+04    23.3          .         4.00        1.00    
HOB2*   .9    .332       -.809        54.0        5.00        2.24    
HRAO   7.0    279.        .696        54.3        4.19        1.72    
IISC   3.7    105.       -.146        76.0        5.53        1.86    
IRKT*  5.9    .254       -.374e-01    59.3        4.19        2.50    
KERG*  4.7    .287e+05    53.5          .         5.48        1.97    
KOKB*  6.7    .796       -.144        86.4        5.35        2.44    
KOUR*  1.0    3.37        2.51        88.0        6.00        1.56    
KWJ1*  6.3    181.       -.139        77.8        6.87        1.79    
LHAS*  3.0    114.       -.278        64.7        4.70        2.32    
MAC1*  4.5    .361e+04   -.181e-02    41.9        4.84        1.57    
MAD2*  6.4    .104e+04    .291        69.9        5.61        2.00    
MAG0   5.9    .289e+06    479.        29.0        4.36        2.37    
MALI*   .9    9.60        14.4        96.0        7.00        1.42    
MATE*  1.0    .116       -.216e-01    62.0        4.00        2.98    
MCM4   4.0    99.8       -.932e-01    51.7        5.26        1.15    
MEDI   1.0    .722       -2.81        43.0        3.00        2.19    
METS   1.0    .141       -.766        52.0        4.00        1.86    
MKEA   1.9    .100e+04   -3.77        72.3        4.61        2.12    
NANO   1.0    3.80        81.9        45.0        4.00        2.64    
NOTO   3.9    .281        934.        80.5        5.51        2.34    
NOUM   1.0    .288e+06    487.        76.0        5.00        1.93    
NRC1   1.1    .           .           84.0        4.00        2.85    
NTUS   4.4    196.       -.141        84.4        5.26        1.25    
NYA1   3.8    .850e-01   -3.25        41.5        5.76        1.37    
OHIG*  6.8    87.3       -.145        63.5        5.00        1.90    
ONSA*  6.8    252.       -1.36        40.3        4.00        1.93    
PETP   1.0    114.       -.257        64.0        5.00        2.68    
PIE1*  4.0    .           .           49.3        4.27        2.54    
POL2   2.9    86.6       -.655e-01    59.7        4.04        2.30    
SANT*  1.3    .220e+04   -.318          .         4.00        1.09    
SHAO*  1.0    110.       -.276        53.0        4.00        2.53    
THU1*  2.0    70.8       -.285        43.0        6.00        2.00    
TID2*  7.0    .117        .717        51.0        5.31        2.22    
TSKB*  7.0    1.66        .387        55.1        4.16        2.85    
USNO   2.1    .           .           78.5        5.00        2.31    
USUD   6.0    .415       -.431        51.2        4.18        2.62    
VESL   4.8    .289e+06    501.        56.2        4.60        1.66    
WES2   4.0    .302        2.03        64.2        4.27        2.80    
WTZR*  6.0    .201       -10.9        70.3        4.53        2.47    
WUHN   2.0    11.0       -823.        54.5        5.00        2.31    
XIAN   1.0    102.       -.269        57.0        4.00        2.81    
YAKZ   1.0    .290e+06    435.        42.0        5.00        1.83    
YAR1*  6.0    90.6       -.124        48.2        4.36        1.95    
YELL*  5.9    .353       -.162        44.5        4.80        1.32    
PRN01  6.9    81.9        64.6        58.1        4.86        1.99    
PRN02  6.7    77.7       -554.        64.9        5.00        1.90    
PRN03  7.0    80.6        65.0        59.2        4.86        2.06    
PRN04  7.0    79.2        213.        57.4        5.00        1.92    
PRN05  6.8    81.2        171.        60.9        4.74        1.88    
PRN06  6.8    79.5       -.711        56.0        5.00        1.52    
PRN07  7.0    83.1        798.        58.6        5.00        2.03    
PRN08  7.0    81.5        426.        59.7        4.73        1.66    
PRN09  7.0    80.8       -18.2        58.8        5.00        1.72    
PRN10  7.0    79.9        28.4        65.9        5.00        1.79    
PRN13  7.0    80.9       -346.        58.6        5.03        2.06    
PRN14  6.8    79.2        7.29        63.6        5.00        1.76    
PRN15  6.8    3.43        619.        63.8        5.00        1.74    
PRN16  7.0    79.9        87.6        66.0        5.00        1.83    
PRN17  6.7    83.3       -194.        61.7        4.87        1.77    
PRN18  7.0    81.4        18.3        60.0        4.87        1.99    
PRN19  7.0    82.2       -71.4        60.1        5.00        1.99    
PRN21  7.0    78.9        65.8        59.6        5.16        1.86    
PRN22  6.6    80.8        270.        61.2        5.00        1.92    
PRN23  6.9    81.8        6.06        59.3        5.16        1.95    
PRN24  7.0    81.8        618.        58.4        5.00        1.93    
PRN25  6.9    82.3       -6.23        57.1        4.87        1.90    
PRN26  7.0    81.0        628.        54.5        5.00        2.02    
PRN27  7.0    79.3        1.75        58.6        5.15        2.08    
PRN29  6.9    81.5        273.        58.8        4.31        2.02    
PRN30  6.7    78.9       -16.5        57.8        5.49        1.73    
PRN31  7.0    80.6        9.19        58.7        5.00        2.18    
_______________________
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
      98 11  8   98 11  9   98 11 10   98 11 11   98 11 12   98 11 13   98 11 14
prn   3d rss (cm)
  1     477        662        294        586        338        307        593   
  2     395        407        364        194        365        459        282   
  3     224        186        157        172        233        285        262   
  4     389        381        282        412        454        501        771   
  5     632        583        462        469        491        419        471   
  6     613        562        661        531        562        467        704   
  7     298        294        274        294        287        613        458   
  8     450        442        928        613        306        913        394   
  9     192        325        297        298        530        608        323   
 10     395        166        243        353        354        290        268   
 13     375        269        214        392        378        464        524   
 14     422        529        484       1154        458        597        533   
 15     604        233        491        515        536        424        486   
 16     286        306        332        398        370        407        524   
 17     648        347        446        294        330        283        682   
 18     299        420        436        401        605        470        666   
 19     564        561        188        298        522        590        300   
 21     265        377        168        429        201        206        261   
 22     424        605        499        314        986        425       1011   
 23     586        586        649        215        478       1767        516   
 24     242        389        443       1088       1067        283        426   
 25     314       1806        300        636        352        384        487   
 26     148        221        163        196        260        263        272   
 27     323        474        419        403        462        482        443   
 29     433        429        611        272        383        333        409   
 30     359        347        362        253        308        444        446   
 31     495        262        440        273        203        195        160   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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