Subject: [IGSREPORT-5744] Wk 0993 JPL Analysis Report
From: D C Jefferson
Date: Tue, 2 Feb 1999 14:00:31 PST

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IGS Electronic Report    Tue Feb  2 14:00:31 PST 1999      Message Number 5744
******************************************************************************

Author: D C Jefferson
Subject: Wk 0993 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0993 (DAYS 17-23, DATES 1999 Jan 17 - Jan 23)
******************************************************************************

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/0993.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09937.sum         This text file.
jpl09937.erp         Earth rotation parameters for GPS week 993.
jpl09937.snx         Ground station coordinates for GPS week 993, SINEX format.
jpl0993[0-6].sp3     GPS ephemerides for GPS week 993, sp3 format.
jpl0993[0-6].tro     Ground station troposphere estimates for GPS week 993.
______________________________________________________________________________

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: NRC1 (not USNO) used as reference clock day 017.
WARNING: Data from PRN19 excluded day 018.
WARNING: Data from PRN18, PRN21, PRN22 excluded day 021.
WARNING: Data from PRN16, PRN18, PRN21, excluded day 022.
WARNING: Data from PRN18 excluded day 023.
WARNING: Data from COCO, KSTU, NICO, TROM excluded day 017.
WARNING: Data from ASC1, COCO, KSTU, LPGS, NICO, NYAL excluded day 018.
WARNING: Data from COCO, KSTU, LPGS, NICO, NYAL excluded day 019.
WARNING: Data from COCO, KERG, KSTU, LPGS, NICO, TROM excluded day 020.
WARNING: Data from BAHR, COCO, HARK, HRAO, LPGS, MADR, NICO, NOTO, SUTH, TROM            excluded day 021.
WARNING: Data from BAHR, COCO, HARK, HRAO, KSTU, LPGS, MADR, NICO, NOTO, NYAL,           SUTH, TROM, VESL excluded day 022.
WARNING: Data from BAHR, COCO, HARK, HRAO, LAMA, LPGS, NICO, NOTO, NYAL, SUTH,           VESL excluded day 023.

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 993 (1999 Jan 17 - Jan 23)
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
51195.50  119835  273542   6881662   7536  50  58  178  178 37  0 27 -1649 -1946
51196.50  118505  272134   6874042   7703  52  57  182  182 37  0 26 -1210 -1662
51197.50  117205  270790   6866444   7494  51  59  182  182 37  0 27 -1112 -1814
51198.50  116288  269250   6859031   7332  53  60  186  186 37  0 27  -723 -1700
51199.50  116215  267949   6850953   8824  61  70  204  204 37  0 24   166 -1288
51200.50  116566  266961   6842009   9063  70  75  215  215 37  0 24   154 -1164
51201.50  116530  266095   6832689   9577  68  73  206  206 37  0 26  -788  -709
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 993:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 993 (1999 Jan 17 - Jan 23)
      99  1 17   99  1 18   99  1 19   99  1 20   99  1 21   99  1 22   99  1 23
prn   3d rss (cm)
  1       8          6          8          8         11          7         10   
  2      13         12          7          5          9         37         32   
  3       9          9         11         13         18         17         16   
  4       8         12         11         12          7         13         10   
  5       8         10         14         11         10          8          8   
  6      19         16         11         18         18         12         13   
  7       9         12         12         13          9         16         19   
  8       6          7          6         22          9          8          7   
  9      10          8          8         11          9         14         13   
 10      10          8         16          8          9         29         20   
 13       9         15         17         20         24         43         24   
 14      19         17          5         26         18         18         14   
 15       7          5          8          9         13         19         18   
 16      10          9          6         18          9                    21   
 17      12          6         13         15          8         17          8   
 18       7          7          8         18                                    
 19      18                    10         30         27         29         28   
 21       9          9          9         14                                4   
 22      17         11         14         11                    40         30   
 23      13         12         16         11          9         16         20   
 24      10         12          9          9         10         14         29   
 25      13          7         11         12         12          8          8   
 26      19         10          9          5         32         30         28   
 27       8          9          9          8         16         35         20   
 29       8          6          9          7         14          6         11   
 30       5          7          8          9          8          9          7   
 31       5          8         10         14         13         14         13   
_______________________
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 993 (1999 Jan 17 - Jan 23)
 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    510.       -.602        65.4        4.50        2.60    
AREQ*  3.8    519.       -.783        66.6        4.28        2.13    
ASC1    .5    164.       -1.03          .         6.00        1.34    
AUCK   2.0    105.       -1.06        58.5        5.00        2.44    
BAHR   4.0    1.33        72.6        41.0        4.81        2.71    
CAS1   2.6    13.1        .265e+04    38.0        5.00        .957    
CRO1   4.9    967.       -.853        54.6        5.39        1.81    
DAV1*  6.9    152.       -.877          .         4.76        1.45    
DGAR   1.6    283.       -.578        73.0        6.53        1.55    
EISL   6.8    149.       -.889        66.2        5.00        2.78    
FAIR*  6.6    47.5       -.906        81.2        4.36        2.29    
FORT*  7.0    1.70       -.823        87.4        6.03        1.38    
GALA   5.4    514.       -.872        67.0        4.00        1.66    
GOL2*  6.6    .134       -4.47        70.6        4.62        2.33    
GOUG   3.8    .289e+06    491.        61.5        5.27        2.89    
GUAM*  4.9    121.       -.880        86.7        6.83        2.08    
HARK*  3.9    3.87       -.400        73.1        5.76        2.76    
HOB2*  4.0    632.        4.79        52.2        5.06        2.94    
HOLB   3.0    4.50        4.56        41.2        3.37        2.91    
IISC   5.9    111.       -1.06        77.1        4.69        2.25    
IRKT*  7.0    .415e+04    38.4        50.7        4.59        2.61    
KELY   1.0    85.4       -1.04        50.0        5.00        1.23    
KERG*  2.9    .245e+04    182.          .         6.07        2.52    
KOKB*  6.6    .626       -.793        80.3        5.14        2.40    
KUNM   1.5    528.       -1.03        68.8        4.00        2.51    
KWJ1*  6.7    .565e+04   -1.01        79.9        6.45        2.06    
LPGS   1.0    194.        .722e-02    68.0        4.00        1.41    
MAC1*  6.9    .306e+04   -1.01        44.6        4.45        2.24    
MAD2*  5.8    .458e+04   -.131        76.5        5.96        2.00    
MAG0   4.3    .289e+06    474.        32.8        4.97        2.32    
MALI*  5.9    129.        61.9        97.4        6.37        1.98    
MATE*  3.9    .185        3.04        48.2        4.00        2.80    
MCM4   2.9    100.       -1.05        51.5        5.00        1.00    
MDVO   2.0    .112        225.        69.6        5.52        2.31    
MEDI   1.9    .207        1.47        34.5        3.54        2.86    
METS    .9    .807e-01    1.87        60.0        3.00        2.44    
NANO   1.0    8.80        499.        52.0        4.00        3.03    
NLIB*  1.0    .517e-01    .212        63.0        5.00        2.76    
NRC1   1.1    .           .           94.0        4.00        2.51    
NTUS   6.8    110.       -.946        90.3        5.62        1.47    
NYA1   6.9    .160       -.833        39.8        6.12        1.51    
ONSA*  5.5    620.       -3.84        41.3        3.74        2.17    
PIE1*  4.0    93.7       -.647        57.7        4.81        2.50    
POL2   2.9    75.5       -.676        58.1        4.00        2.79    
RAMO   2.0    .294e+06    508.        47.3        4.00        2.35    
SANT*  4.8    .453e+04   -1.02          .         4.00        2.51    
SHAO*   .9    103.       -1.04        58.0        4.00        2.40    
STJO   1.0    2.37       -.831        87.0        4.00        2.90    
TID2*  6.9    166.       -1.05        51.7        5.49        2.51    
TIXI   2.0    99.1       -1.04        41.0        5.00        1.73    
TOUL   1.0    .426       -1.16        68.0        4.00        2.88    
TSKB*  7.0    1.88       -.823        48.1        4.00        3.12    
USNO   6.2    .           .           70.8        5.35        2.81    
USUD   4.0    .114        1.05        46.3        4.07        2.85    
VESL   3.9    .288e+06    495.        61.1        4.81        2.31    
WILL   1.0    1.57        123.        28.0        4.00        2.89    
WSRT   2.0    2.99       -1.90        38.5        3.00        2.61    
WTZR*  7.0    .332       -.687        67.5        4.16        2.81    
WUHN   2.0    7.42       -195.        54.1        5.06        2.50    
YAR1*  7.0    98.6       -.893        51.2        4.61        2.38    
YELL*  6.9    23.5       -.861        60.4        4.60        1.62    
PRN01  6.9    80.5        70.9        64.8        4.73        2.29    
PRN02  7.0    82.4       -15.7        63.3        5.00        2.10    
PRN03  6.6    83.5        85.4        68.1        4.89        1.85    
PRN04  6.9    81.7        430.        61.4        4.74        2.14    
PRN05  7.0    83.6        181.        60.6        5.00        2.38    
PRN06  6.8    80.6       -1.24        58.9        4.87        2.07    
PRN07  6.7    82.2        805.        68.9        5.00        2.18    
PRN08  7.0    81.3        688.        62.2        5.00        2.28    
PRN09  7.0    81.8       -28.4        65.3        5.00        2.29    
PRN10  7.0    82.7        30.5        60.5        5.00        2.06    
PRN13  6.9    81.7       -454.        64.8        5.00        2.30    
PRN14  6.9    84.7        11.6        59.2        5.00        2.35    
PRN15  6.9    2.86        642.        64.4        4.74        2.43    
PRN16  6.0    82.9        97.1        61.4        5.00        2.23    
PRN17  6.9    80.4       -202.        57.7        4.87        2.28    
PRN18  4.0    78.9        20.0        67.7        5.54        2.06    
PRN19  5.9    81.1       -99.5        68.4        4.69        1.92    
PRN21  5.0    78.9        3.47        60.7        5.00        2.17    
PRN22  6.0    79.8        35.2        63.4        4.86        1.93    
PRN23  6.9    84.1        7.82        62.4        5.31        2.19    
PRN24  7.0    80.6        453.        64.3        5.32        2.17    
PRN25  7.0    82.8       -.722        59.3        5.16        2.07    
PRN26  7.0    81.3        47.6        62.8        5.16        2.02    
PRN27  7.0    82.0        7.82        64.1        5.00        2.24    
PRN29  6.9    80.1        137.        61.8        4.60        2.19    
PRN30  7.0    80.2       -5.88        57.6        5.00        2.10    
PRN31  6.6    80.2        11.6        67.7        5.00        2.01    
_______________________
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  1 17   99  1 18   99  1 19   99  1 20   99  1 21   99  1 22   99  1 23
prn   3d rss (cm)
  1     645        609        895        421        557        669        478   
  2     451        200        232        454        366        425        381   
  3     366        293        344        358        326        267        252   
  4     156        227        311        229        167        175        225   
  5     433        449        353        285        262        256        662   
  6     736        779        712        800        650        798        681   
  7     322        508        326        402        517        511        316   
  8     878        313        588        556        498        442        530   
  9     314        490        242        423        491        306        624   
 10     299        344        334        313        252        385        357   
 13     195        414        215        304        451        352        527   
 14    1080        637        719        918        798        453        634   
 15     225        331        310        206        188        202        302   
 16     419        961        520        810        627                   255   
 17     378       1079       1265        212        197        222        312   
 18     299        391        539        371                                    
 19     274                   292        144        238        193        140   
 21     384        416        252        261                              605   
 22     270        264        258        316                   287        208   
 23    1026        906        702        385        407        501        551   
 24     372        237        182        185        329        311        229   
 25     291        479        867        242        175        214        403   
 26     205        354        414        337        220        289        434   
 27     244        512        326        269        553        367        491   
 29     325        503        431       1581        574        397        743   
 30     392        376        187        200        248        135        176   
 31     678        314        263        596        359       1375        579   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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