Subject: [IGSREPORT-4048] Wk 0917 JPL Analysis Report
From: D C Jefferson
Date: Tue, 19 Aug 1997 16:43:31 PDT

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IGS Electronic Report    Tue Aug 19 16:43:31 PDT 1997      Message Number 4048
******************************************************************************

Author: D C Jefferson
Subject: Wk 0917 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0917 (DAYS 215-221, DATES 1997 Aug 03 - Aug 09)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

J F Zumberge, D C Jefferson, M B Heflin, M M Watkins, F H Webb

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 (128.149.70.41),
directory pub/jpligsac/0917.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09177.sum         This text file.
jpl09177.erp         Earth rotation parameters for GPS week 917.
jpl09177.snx         Ground station coordinates for GPS week 917, SINEX format.
jpl0917[0-6].sp3     GPS ephemerides for GPS week 917, sp3 format.
jpl0917[0-6].tro     Ground station troposphere estimates for GPS week 917.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 11.0 cm

Data from PRN03 were mismodeled on day 217, and have been excluded from this
day's analysis accordingly.

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: FAIR (not ALGO) used as reference clock day 217.
WARNING: Data from CSN1, NYAL excluded day 215.
WARNING: Data from CSN1, TAIW, ZWEN excluded day 216.
WARNING: Data from PRN03, CSN1, PIN1, TAIW, TRAK, ZWEN excluded day 217.
WARNING: Data from CAGL, COCO, CRFP, CSN1 excluded day 218.
WARNING: Data from COCO, CSN1, LEEP, ZWEN excluded day 219.
WARNING: Data from COCO, CSN1, LEEP, QUIN, ZWEN excluded day 220.
WARNING: Data from COCO, LEEP, ZWEN excluded day 221.

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 917 (1997 Aug 03 - Aug 09)
     MJD  XPole  Ypole UT1R-UTC  LODR Xsig Ysig UTsig LODsig Nr Nf Nt  Xrt  Yrt 
            10**-5"      usec    us/d  10**-5"    us   us/d            10**-5"/d
50663.50  13119  50992   487042  1539    3    3     6      6 37 10 25  297 -123 
50664.50  13373  50867   485505  1536    3    3     6      6 37 10 25  259 -114 
50665.50  13665  50714   483989  1496    3    3     8      8 37  9 24  266 -128 
50666.50  13916  50572   482476  1530    4    5     6      6 37  6 25  227 -112 
50667.50  14132  50469   480938  1546    3    3     6      6 37  9 25  215 -126 
50668.50  14370  50318   479402  1525    3    3     7      7 37  9 25  208 -164 
50669.50  14601  50147   477853  1574    3    3     6      6 37  8 25  212 -186 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 917:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 917 (1997 Aug 03 - Aug 09)
      97  8  3   97  8  4   97  8  5   97  8  6   97  8  7   97  8  8   97  8  9
prn   3d rss (cm)
  1       8         14         12         11          6          8          8   
  2      12         11          9         12         11         10          8   
  3      18         23                    13         14         18         12   
  4      23          7          7         12         13         24         18   
  5      15          7         11          7          9          8          6   
  6      20         29         33         41         46         34         23   
  7      18          9         13          8         14         33         16   
  9      12          7         12         10         10         10         12   
 10       4          7          8          5          8         12         22   
 14      17          8          6         13         28         20          9   
 15      13         11         16         16         13         13          9   
 16       5          4          9          5          9         12          5   
 17       9          8          8          9         10         16         14   
 18       5          9          9         12          9         13          8   
 19       8         14         16          7         19         14          9   
 21       7         10          6          9         10         19         17   
 22      10          8          9         20         14         20         17   
 23       8          6          5          9         11         13         21   
 24      14          9          8         12          6         10         22   
 25      11         14          3          7          9         18         10   
 26       9          7         10         11         11          9         11   
 27       7         11         11          5          8          9         13   
 29      11          9          9         10          9          8          8   
 30      18         13         31         13         13         18         10   
 31      10         11          9         13         12         33         25   
_______________________
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 917 (1997 Aug 03 - Aug 09)
 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)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALBH    .9    .717e+04   -34.1        41.0        5.00        2.42    
ALGO*  7.1    .131        .351        50.1        4.31        2.94    
ANKR   5.8    143.       -.345        53.8        5.17        2.82    
AUCK   1.0    86.6       -.439        40.0        5.00        2.78    
BAHR   7.0    .644        128.        58.3        5.76        3.92    
BRAZ    .9    172.       -.597        56.0        6.00        3.46    
BRMU   1.0    118.       -.436        40.0        9.00        3.03    
CAS1   6.9    14.1        197.        45.7        6.15        1.80    
CASA   2.0    33.2        337.        37.6        6.00        3.10    
CHAT   7.0    108.       -.386        77.2        5.31        2.67    
COCO   3.0    117.       -.268e+04      .         5.68        3.02    
CRO1   7.0    158.       -.393        56.5        6.33        2.32    
DGAR   5.8    92.8       -.460        56.7        5.69        1.71    
FAIR*  4.6    13.1       -.345        35.3        5.83        2.21    
FLIN   7.0    82.1       -.392        47.8        5.76        2.69    
FORT   7.0    .127       -.961        49.2        5.47        3.32    
GODE   1.0    1.02        5.52        42.0        6.00        3.40    
GOL2*  7.0    .133       -.697        42.5        6.17        2.28    
GUAM   7.0    119.       -.395        76.7        9.05        2.29    
HARK   7.0    22.4        5.84        47.6        4.73        3.02    
HBRK   1.0    .289e+06    504.        51.0        8.00        2.94    
HKLO   2.0    .289e+06    502.        49.5        6.52        2.60    
HOB2   1.0    89.5       -.433        55.0        5.00        2.85    
IISC   4.9    78.8       -.276        66.0        6.22        2.48    
IRKT   4.6    .255       -.268        65.7        5.63        2.72    
KERG   5.9    .121e+04    2.27          .         6.03        2.54    
KIRU   4.9    5.87       -3.57        54.2        7.21        2.37    
KIT3   1.0    161.       -.427        55.0        5.00        2.96    
KOKB*  6.1    76.2       -.247        66.8        6.04        1.84    
KOSG*  5.8    .924       -11.6        44.9        5.37        2.45    
KOUR   1.0    2.39       -1.25          .         7.00        2.40    
KWJ1   7.0    107.       -.389        60.0        9.01        1.89    
LAMA   1.0    112.       -.456        58.0        5.00        2.68    
MAC1   6.9    91.3       -.386        30.1        4.33        2.55    
MAD2   5.0    .120e+04   -1.11        83.8        7.44        2.15    
MADR*  6.9    .637        .389          .         7.22        2.36    
MALI   5.9    116.       -175.          .         8.35        2.41    
MAS1   5.0    55.0       -.217        44.1        6.32        2.47    
MCM4   6.9    102.       -.383        31.9        4.59        1.97    
MDVO   2.0    .474        450.        69.0        7.00        1.95    
MKEA   7.0    .114       -.414        39.5        6.30        2.85    
NOTO   1.0    .292e+04   -5.85        41.0        6.00        2.80    
PERT   6.9    3.13       -8.05        56.6        5.90        2.76    
RCM6   1.0    111.       -.609        62.0        9.00        2.67    
REYK   5.8    .103e+04   -.321        56.6        6.90        2.09    
SANT*  3.1    826.       -.561        33.7        5.23        1.47    
SELE   5.9    115.       -.381        36.2        5.36        3.14    
STJO   6.0    162.        .580        39.0        5.52        2.94    
THU1   4.8    75.2       -.326        46.0        6.42        2.70    
TID2*  6.0    .157       -.337        38.4        5.69        2.87    
TOUL   1.9    .481       -.324        50.0        6.00        2.69    
USUD   6.0    5.79       -.390        41.7        7.70        2.80    
WHIT   2.0    84.5       -.648        38.0        5.00        2.43    
WTZR*  6.0    .624       -2.43        63.7        6.03        2.70    
WUHN   2.9    8.33       -.544e+04    45.7        8.12        2.93    
XIAN   1.0    103.       -.604        43.0        6.00        3.06    
YELL*  6.0    67.0       -.705        44.7        5.18        1.99    
PRN01  7.0    80.6        25.3        53.8        6.30        2.56    
PRN02  7.0    79.9       -390.        57.3        6.00        2.19    
PRN03  5.8    80.7        39.6        55.3        6.35        2.37    
PRN04  7.0    81.1        40.2        53.7        6.31        2.36    
PRN05  7.0    81.6        107.        50.0        5.87        2.70    
PRN06  6.3    80.1       -.609        52.3        6.75        2.33    
PRN07  6.6    82.7        751.        53.4        7.06        2.30    
PRN09  7.0    80.4       -7.31        52.6        6.00        2.61    
PRN10  7.0    83.6        10.9        54.8        6.00        2.33    
PRN14  7.0    80.2        20.8        49.3        6.18        2.43    
PRN15  7.0    2.84        454.        51.9        6.00        2.33    
PRN16  6.9    79.0        22.2        52.6        6.46        2.45    
PRN17  7.0    81.7       -156.        53.2        6.19        2.41    
PRN18  6.9    81.6        2.86        50.7        5.73        2.67    
PRN19  7.0    79.2        149.        51.5        5.87        2.54    
PRN21  7.0    80.1        71.7        50.0        6.30        2.50    
PRN22  7.0    83.2        8.17        49.7        6.03        2.56    
PRN23  7.0    81.9        1.99        53.3        6.31        2.65    
PRN24  7.0    82.3        694.        54.9        6.15        2.44    
PRN25  6.9    80.3       -6.05        49.1        6.31        2.27    
PRN26  7.0    80.3       -2.14        51.3        5.87        2.25    
PRN27  7.0    80.7        38.1        51.6        5.73        2.61    
PRN29  7.0    79.0        259.        49.0        6.16        2.89    
PRN30  6.6    81.3       -73.4        52.7        6.03        2.74    
PRN31  6.8    81.9       -.592        52.2        6.16        2.50    
_______________________
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
      97  8  3   97  8  4   97  8  5   97  8  6   97  8  7   97  8  8   97  8  9
prn   3d rss (cm)
  1     394        348        289        263        226        323        228   
  2     196        215        261        266        270        266        299   
  3     710        530                   397        306        444        656   
  4     606        445        270        256        221        222        320   
  5     154        200        272        273        176        306        194   
  6     710        618        546        518        489        553        942   
  7     428        285        294        393        475        295        365   
  9     162        164        181        208        198        231        196   
 10     702        726        763        461        564        229        521   
 14     749        694        330        404        412        698        681   
 15     405        301        416        465        293        418        330   
 16     932       1103       2031       2211       1397       1724        332   
 17     336        202        391        272        325        192        304   
 18     390        367        537        445        438        380        424   
 19     247        348        527        753        328        212        239   
 21     243        292        285        312        360        239        211   
 22     645        529        323        485        292        334        431   
 23     327        703        447        510        357        937       1528   
 24     301        454        337        696        702        326        365   
 25     218        339        330        215        285        329        401   
 26     411        360        194        247        323        384        236   
 27     339        318        383        491        519        546        504   
 29     605        268        273        482        516        422        382   
 30     172        152        283        256        192        243        223   
 31     183        449        822        599        427        483        679   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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