Subject: [IGSREPORT-3565] Wk 0896 JPL Analysis Report
From: D C Jefferson
Date: Fri, 21 Mar 1997 15:40:02 PST

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IGS Electronic Report    Fri Mar 21 15:40:02 PST 1997      Message Number 3565
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Author: D C Jefferson
Subject: Wk 0896 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0896 (DAYS 68-74, DATES 1997 Mar 09 - Mar 15)
******************************************************************************

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/0896.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08967.sum         This text file.
jpl08967.erp         Earth rotation parameters for GPS week 896.
jpl08967.snx         Ground station coordinates for GPS week 896, SINEX format.
jpl0896[0-6].sp3     GPS ephemerides for GPS week 896, sp3 format.
jpl0896[0-6].tro     Ground station troposphere estimates for GPS week 896.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 13.0 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 ALGO) used as reference clock day 074.
WARNING: Data from BOGT, CHIL, HOB2, SNI1 excluded day 068.
WARNING: Data from CMBB, SANT excluded day 069.
WARNING: Data from CMBB, COCO, HOPB, KELY, MADR excluded day 070.
WARNING: Data from GOLD, HOPB, MADR, ROCK excluded day 071.
WARNING: Data from HOPB, LPGS, MADR, WES2 excluded day 072.
WARNING: Data from WES2 excluded day 073.
WARNING: Data from NYAL, PPT1, WES2 excluded day 074.

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 896 (1997 Mar 09 - Mar 15)
     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
50516.50 -18295  24757  -231809  2262    3    3     8      8 37 12 25 -195  273 
50517.50 -18487  25067  -234114  2349    3    4     8      8 37 11 25 -123  270 
50518.50 -18616  25364  -236455  2332    3    3     9      9 36 11 25 -112  314 
50519.50 -18659  25688  -238831  2421    3    3     8      8 37 11 25  -45  319 
50520.50 -18648  26042  -241248  2412    3    3     8      8 37 11 25  -36  350 
50521.50 -18623  26399  -243704  2500    3    3     9      9 37 12 25  -37  401 
50522.50 -18632  26814  -246235  2562    3    3     8      8 36 12 25  -80  411 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 896:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 896 (1997 Mar 09 - Mar 15)
      97  3  9   97  3 10   97  3 11   97  3 12   97  3 13   97  3 14   97  3 15
prn   3d rss (cm)
  1      13          9         10         14          7         14         11   
  2      17          4         17         18         10         17         15   
  3      30         34         32         18         24         25         25   
  4      10          8         10          4         11          6         10   
  5       6         12         12         13         10         10         11   
  6      12         19         14         11         13         15         12   
  7      10         13         16         12         12          7         11   
  9      12         20          8          9          9         17         11   
 10      10         13         10          9         20         12         12   
 14       8         12         10          6         10          9         11   
 15      11         16         11         13         11         12         10   
 16      11         14          9          7          6          5          9   
 17      11         23         32         26         14         17         18   
 18      27         22         14         13         15         16         14   
 19      21         21         18         12         15         19         17   
 21      13         12         19         15          8         11         12   
 22      19         19         17          9         16         10         12   
 23      16         23         20         16         13         24         16   
 24      18         14         16         15         19         11         12   
 25      11          7         13         11          8         10         10   
 26      11         25          9         13          9         20         22   
 27      14         20         22         15         38         19         12   
 29      21         16         14          6          8         10          9   
 30      16         18         11         12          7         11         11   
 31      19         18         13         28         19         26         24   
_______________________
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 896 (1997 Mar 09 - Mar 15)
 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*  7.1    112.        .318        49.8        4.45        3.15    
ANKR    .9    96.0       -.211        56.0        4.00        2.86    
ASC1   5.5    .150e+04   -.202        79.3        5.71        1.50    
BAHR   5.4    .605        263.        41.8        5.77        3.28    
BRUS   7.0    .366        3.87        60.1        4.00        2.91    
CAS1   1.5    10.6        535.        38.0        4.68        1.82    
CHAT   7.0    110.       -.209        81.3        5.76        2.81    
COCO   3.9    .174e+06   -891.        43.6        7.72        2.75    
CRO1   7.0    135.       -.201        45.7        5.87        2.34    
DAV1   3.7    61.1        .136e+04    32.4        5.02        1.58    
DGAR   6.9    141.       -.205        69.1        6.51        1.72    
EISL    .8    155.       -.139        58.0        7.00        2.67    
FAIR*  6.9    267.        .681        33.9        4.15        2.39    
FLIN   2.5    83.6       -.218        49.1        3.00        2.41    
FORT   7.0    .249       -.643        51.0        7.04        2.93    
GOL2*  6.7    24.4       -.867e-01    43.2        4.62        2.86    
GUAM   7.0    124.       -.207        61.7        6.75        2.32    
HART*  6.9    11.4        4.89        47.0        4.91        2.82    
IISC   7.0    84.4       -.205        72.0        5.62        2.48    
IRKT   6.9    151.       -.329        51.5        5.14        2.80    
KELY   1.0    120.       -.128          .         5.00        1.55    
KERG   6.9    157.        7.75          .         6.86        2.59    
KIRU   1.0    .198e+04   -1.78        49.0        6.00        2.53    
KIT3    .9    149.       -.188        82.0        4.00        2.67    
KOKB*  6.6    278.       -.218        71.5        6.16        1.84    
KOSG*  6.9    .121e+04   -7.76        43.0        3.17        2.53    
KWJ1   7.0    91.9       -.206        66.9        7.33        1.72    
LHAS   6.8    .149e+05   -.470        62.5        5.29        2.35    
MAC1   3.7    84.5       -.177        31.5        4.56        2.19    
MADR*  3.9    .267        .634          .         6.27        2.60    
MALI   2.9    64.0       -224.          .         8.36        2.19    
MAS1   7.0    151.       -.715e-01    43.3        4.16        2.47    
MCM4   7.0    99.3       -.203        41.7        5.02        1.87    
MDVO   2.0    .274        347.        70.6        6.00        2.60    
MKEA   6.0    .202       -.355        47.4        5.69        2.38    
MOIN   1.7    96.5       -.180        67.5        7.11        1.65    
NYAL   1.0    .395        28.4          .         5.00        2.09    
OHIG   6.4    .224e+05    .161        56.6        5.15        1.25    
PAMA   5.8    141.       -.202          .         11.2        2.32    
PERT   7.0    2.40       -9.15        50.3        5.00        3.12    
PIE1   1.0    .           .           38.0        4.00        2.58    
REYK   4.9    79.8       -.249        59.2        6.00        2.25    
SANT*  5.5    .155e+04   -1.21        42.0        4.83        1.99    
STJO   2.0    2.91        .630        32.5        4.00        2.62    
TAIW   2.0    119.       -.138          .         4.00        2.90    
TID2*  6.9    4.40       -.245        40.2        5.76        2.85    
USUD   7.0    3.34        .727e-01    37.9        4.46        2.70    
WTZR*  6.9    73.1       -.227e-01    63.3        4.16        2.67    
YAR1*  6.9    71.0        .270e-01      .         4.47        2.39    
YELL*  7.0    47.3        .960e-01    46.3        4.73        1.78    
PRN01  6.8    83.7        14.9        55.5        5.87        2.28    
PRN02  7.0    80.0       -344.        56.9        5.30        2.30    
PRN03  7.0    83.0        108.        60.3        5.30        2.32    
PRN04  7.0    80.3        17.1        54.2        5.59        2.39    
PRN05  7.0    81.0        86.7        49.0        5.44        2.73    
PRN06  6.9    81.8        4.12        50.5        5.73        2.56    
PRN07  7.0    79.4        740.        52.6        5.59        2.52    
PRN09  6.9    80.7       -31.0        55.6        6.33        2.41    
PRN10  7.0    82.1        4.98        53.0        5.89        2.24    
PRN14  7.0    81.5        17.4        50.1        5.00        2.20    
PRN15  7.0    3.64        402.        57.5        5.30        2.23    
PRN16  7.0    80.8        3.56        51.9        5.60        2.29    
PRN17  7.0    79.8       -143.        56.2        5.74        2.21    
PRN18  6.7    80.7        23.6        52.1        5.44        2.12    
PRN19  7.0    81.3        250.        54.9        5.31        2.17    
PRN21  7.0    80.0        38.2        56.9        5.45        2.19    
PRN22  7.0    81.1        376.        53.3        5.45        2.38    
PRN23  7.0    80.3        10.3        53.9        6.03        2.26    
PRN24  6.9    106.        194.        56.2        6.03        2.37    
PRN25  7.0    81.6       -5.23        50.9        5.75        2.16    
PRN26  6.7    79.8       -135.        55.3        6.30        2.35    
PRN27  6.6    81.6        21.2        53.4        5.30        2.08    
PRN29  6.7    80.0        7.40        50.6        5.15        2.24    
PRN30  7.0    81.4       -41.4        51.4        5.73        2.70    
PRN31  7.0    82.4        255.        55.0        5.73        2.26    
_______________________
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  3  9   97  3 10   97  3 11   97  3 12   97  3 13   97  3 14   97  3 15
prn   3d rss (cm)
  1     752        814        976        975        627        571       1035   
  2     516        730        495        514        510        356        314   
  3     655        487        662        300        457        359        542   
  4     360        388        480        485        562        446        385   
  5     349        295        221        269        265        244        362   
  6     935        750        880        821        586        558        615   
  7     449        354        325        260        313        286        290   
  9     365        377        348        400        351        457        409   
 10     933        911        784        691        626        761        814   
 14     667        627       1255        376        327        714       1047   
 15     370        263        248        311        280        259        281   
 16     919        999        418        366       2114        679        626   
 17     522        369        348        444        440        298        556   
 18     827       1394        480        599       1000        584        635   
 19     704        895        630        638        774        708        242   
 21     553        646        560        622        506        382        393   
 22     589        517        926        615        289        464        233   
 23     904       1324       1130       1037        926        723        958   
 24     306        403        815        342        273        285        269   
 25     396        494        294        435        650        174        354   
 26     449        453        428        492        694        562        427   
 27     469        475        670        655        534        388        636   
 29    1916       1498        748        993       1025        884        308   
 30     290        273        309        272        215        516        786   
 31     383        430        544        423        328        290        237   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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