Subject: [IGSREPORT-3706] Wk 0902 JPL Analysis Report
From: D C Jefferson
Date: Mon, 5 May 1997 15:11:48 PDT

******************************************************************************
IGS Electronic Report    Mon May  5 15:11:48 PDT 1997      Message Number 3706
******************************************************************************

Author: D C Jefferson
Subject: Wk 0902 JPL Analysis Report

******************************************************************************
JPL ANALYSIS REPORT   GPS-WEEK 0902 (DAYS 110-116, DATES 1997 Apr 20 - Apr 26)
******************************************************************************

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/0902.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09027.sum         This text file.
jpl09027.erp         Earth rotation parameters for GPS week 902.
jpl09027.snx         Ground station coordinates for GPS week 902, SINEX format.
jpl0902[0-6].sp3     GPS ephemerides for GPS week 902, sp3 format.
jpl0902[0-6].tro     Ground station troposphere estimates for GPS week 902.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 12.0 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: NLIB (not ALGO) used as reference clock on day 112.
WARNING: FAIR (not ALGO) used as reference clock on day 113.
WARNING: Data from PRN28 excluded for the entire GPS week 902.
WARNING: Data from ONSA, TROM excluded day 110.
WARNING: Data from ONSA, SANT, TROM excluded day 111.
WARNING: Data from HVLK, NYAL, THU1 excluded day 112.
WARNING: Data from HOB2, MADR, TROM, WHC1 excluded day 113.
WARNING: Data from MADR, TROM excluded day 114.
WARNING: Data from CSN1, HOLC, SANT, WES2 excluded day 116.

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 902 (1997 Apr 20 - Apr 26)
     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
50558.50 -17423  39876  -336380  2258    3    3     9      9 37 10 25   86  315 
50559.50 -17332  40236  -338657  2296    3    4     9      9 37 10 25   71  378 
50560.50 -17278  40607  -340900  2191    3    3     9      9 37 10 25  101  346 
50561.50 -17214  40950  -343067  2142    3    3     9      9 37 10 25  110  340 
50562.50 -17108  41265  -345223  2170    4    4    10     10 37  9 25  158  349 
50563.50 -16960  41560  -347388  2161    4    3     9      9 37 10 25  205  329 
50564.50 -16760  41905  -349526  2115    4    4    10     10 37  9 25  191  346 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 902:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 902 (1997 Apr 20 - Apr 26)
      97  4 20   97  4 21   97  4 22   97  4 23   97  4 24   97  4 25   97  4 26
prn   3d rss (cm)
  1      11         18         25         12          9         13         12   
  2      16         11          9         10         18         16         14   
  3      34         38         23         26         27         23         34   
  4      11         12         16          8          9          8          9   
  5      22         14         15         12         12         11         14   
  6      12         14         13          5          5          7          6   
  7      16         16         13         15         12         18         16   
  9      11         44         57         12         20         15         15   
 10       8         14         14         10         10          7          9   
 14      11         13         13         11         11          9         14   
 15      12         14          7         11         14          9         11   
 16       8         12         13          9          8          8         10   
 17      17         11         12         13         14         14         18   
 18       6         10         13          7          5          9         10   
 19      11          9         16         15         14         13         14   
 21      20         11         11         12         12         21         13   
 22      12         14         10         11         10         13          9   
 23      17         16         23         24         27         18         10   
 24       9         11         12          6          7         11          7   
 25       8         12         14          9         11          9          8   
 26      82         51         13         12         17          9         17   
 27      19         21         12         12         22         16         11   
 29       8          8          9          7          6         10          8   
 30      11         13         12         10          7          8         10   
 31      12         18         19         16         12         11         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 902 (1997 Apr 20 - Apr 26)
 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   1.0    36.4       -57.8        46.0        3.00        2.89    
ALGO*  6.9    239.       -1.18        45.7        4.00        2.66    
ANKR   2.9    91.1       -.590        59.0        5.00        2.83    
ASC1   7.0    162.       -.832        70.9        6.29        1.71    
AUCK   7.0    73.8       -.825        40.7        5.03        2.88    
BAHR   7.0    2.08        262.        49.0        5.30        3.94    
BOGT   6.9    111.       -.821        63.1        6.29        1.84    
BRAZ   1.0    97.7       -.853        60.0        7.00        2.34    
BRUS   6.0    .296        5.18        58.8        4.00        2.86    
CAS1   5.9    8.73        .172e+04    41.8        5.68        1.90    
CASA   5.0    11.8        111.        40.6        4.05        2.86    
COCO   7.0    126.       -677.        35.7        7.06        3.02    
DAV1   2.0    44.4        .252e+04    33.0        5.00        1.51    
DGAR   7.0    176.       -.830        63.3        7.25        1.80    
FAIR*  6.0    .911        .357        37.7        4.37        2.43    
FLIN   3.0    85.1       -.153        53.0        4.36        2.53    
FORT   6.0    .101       -1.39        50.8        7.46        3.16    
GOL2*  7.0    2.06       -.717        46.3        5.34        3.15    
GUAM   7.0    124.       -.824        80.8        6.76        2.35    
HART*  3.9    11.1       -.528        46.5        5.78        2.59    
IISC   3.8    77.7       -1.35        71.5        5.78        2.64    
IRKT   4.8    .217       -1.07        62.0        5.00        2.78    
KELY   6.1    .254e+04   -.688        39.5        5.70        1.79    
KERG   1.0    97.2        112.          .         6.00        2.46    
KIRU   2.0    6.50        2.77        50.5        6.00        2.01    
KIT3   4.0    178.       -.326        78.5        5.51        2.78    
KOKB*  6.6    99.0       -.820        72.1        5.93        1.81    
KOSG*  7.0    5.47       -25.8        40.3        3.32        2.49    
KOUR   1.0    6.73        4.83          .         10.0        1.98    
KWJ1   7.0    97.1       -.829        67.1        7.49        1.67    
LHAS   6.5    407.       -.857        69.4        5.52        2.44    
MAC1   5.9    78.2       -.823        33.4        4.92        2.22    
MADR*  4.9    137.       -1.94          .         6.06        2.35    
MALI   7.0    38.8       -850.          .         9.60        2.19    
MAS1   7.0    102.       -.955        42.8        5.34        2.54    
MCM4   5.0    82.5       -.406        33.8        4.22        2.04    
MKEA   6.0    .907e-01   -.874        48.7        6.00        2.57    
NLIB   1.0    .           .           48.0        4.00        2.79    
NYAL   3.9    33.7       -.794          .         4.79        1.81    
PERT   7.0    3.05       -14.4        53.6        5.18        2.89    
RCM6   6.0    90.3       -.493        65.1        5.78        2.53    
SANT*  3.7    784.       -.684          .         5.56        1.67    
SHAO   1.0    91.9       -.150        44.0        4.00        2.87    
STJO   3.0    236.       -.320e-02    37.3        4.00        2.70    
TAHI   3.8    395.       -1.36        77.4        7.60        2.06    
TIDB   4.9    2.42        .179          .         5.61        2.93    
TSKB   1.0    4.78       -.808        42.0        5.00        2.79    
USUD   5.0    1.77        2.95        35.8        4.22        2.95    
WTZR*  7.0    71.4       -.959        58.7        4.49        2.67    
WUHN   2.9    23.8       -.180e+04    45.8        5.00        2.80    
YAR1*  6.8    778.       -4.45          .         4.63        2.45    
YELL*  7.0    2.03       -.876        42.5        4.91        1.64    
PRN01  7.0    76.4        17.2        53.4        5.45        2.48    
PRN02  7.0    75.9       -357.        58.0        5.45        2.32    
PRN03  7.0    76.1        6.03        54.1        5.45        2.28    
PRN04  6.7    78.1        23.3        54.7        6.03        2.37    
PRN05  6.9    76.7        92.6        54.0        5.16        2.58    
PRN06  7.0    77.9        3.68        48.0        5.59        2.66    
PRN07  7.0    78.0        742.        55.1        5.87        2.15    
PRN09  6.7    76.6       -36.3        56.3        5.62        2.21    
PRN10  7.0    79.8        6.08        54.6        5.31        2.44    
PRN14  7.0    76.8        17.5        52.3        5.62        2.24    
PRN15  6.9    4.15        417.        56.5        5.46        2.26    
PRN16  7.0    78.4        8.19        54.6        6.02        2.28    
PRN17  7.0    78.5       -147.        51.8        5.16        2.33    
PRN18  7.0    75.5        25.1        49.4        6.04        2.53    
PRN19  6.6    75.0        231.        51.4        5.45        2.25    
PRN21  7.0    74.6        47.6        55.8        5.46        2.36    
PRN22  7.0    75.3        385.        53.1        5.73        2.47    
PRN23  7.0    75.1        11.2        54.3        5.45        2.31    
PRN24  6.8    78.1        382.        55.2        5.74        2.43    
PRN25  6.8    75.9       -6.00        55.2        5.59        1.94    
PRN26  7.0    77.0       -160.        54.0        5.86        2.17    
PRN27  6.6    76.2        25.4        56.3        8.02        2.38    
PRN29  7.0    75.3        8.54        51.5        5.00        2.44    
PRN30  7.0    75.4       -51.3        51.1        5.31        2.49    
PRN31  7.0    77.2        321.        55.4        5.87        2.45    
_______________________
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  4 20   97  4 21   97  4 22   97  4 23   97  4 24   97  4 25   97  4 26
prn   3d rss (cm)
  1     294        310        405        227        305        577        756   
  2     226        462        553        310        259        165        252   
  3     254        314        359        298        289        473        389   
  4     371        446        262        408        364        515        556   
  5     323        346        304        254        288        516        345   
  6     524        486        400        468        458        412        387   
  7     402        371        478        327        404        468        497   
  9     305        368        348        268        716        503        738   
 10     349        294        244        170        231        513        357   
 14     582       1431       3576        551        457        544        455   
 15     403        528        416        396        306        356        511   
 16     151        320        335        268        308        605        191   
 17     216        259        319        324        288        342        344   
 18     486        507        819        716        435        451        239   
 19    1208        770        345        307        665        457        686   
 21     185        176        182        360        424        352        282   
 22     432        307        367        414        439        454        449   
 23     283        256        182        382        373        488        779   
 24     313        187        203        236        341        589        624   
 25     348        251        329        268        296        354        328   
 26     337        158        513        247        200        577        254   
 27     498        388        682        665        407        345        446   
 29     290        377        270        230        346        802       1417   
 30     218        197        341        289        394        586        452   
 31     269        198        322        381        211        235        273   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   albh algo ankr asc1 auck bahr bogt braz brus cas1 casa coco dav1 dgar fair flin fort gol2 guam hart iisc irkt kely kerg kiru kit3 kokb kosg kour kwj1 lhas mac1 madr mali mas1 mcm4 mkea nlib nyal pert rcm6 sant shao stjo tahi tidb tskb usud wtzr wuhn yar1 yell

[Mailed From: [email-masked]]