Subject: [IGSREPORT-5402] Wk 0977 JPL Analysis Report
From: D C Jefferson
Date: Mon, 12 Oct 1998 14:14:27 PDT

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IGS Electronic Report    Mon Oct 12 14:14:27 PDT 1998      Message Number 5402
******************************************************************************

Author: D C Jefferson
Subject: Wk 0977 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0977 (DAYS 270-276, DATES 1998 Sep 27 - Oct 03)
******************************************************************************

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/0977.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09777.sum         This text file.
jpl09777.erp         Earth rotation parameters for GPS week 977.
jpl09777.snx         Ground station coordinates for GPS week 977, SINEX format.
jpl0977[0-6].sp3     GPS ephemerides for GPS week 977, sp3 format.
jpl0977[0-6].tro     Ground station troposphere estimates for GPS week 977.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 12.0 cm

Data from PRN08 were mismodeled on day 272 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: NRC1 (not USNO) used as reference clock day 273.
WARNING: Data from COCO, FORT, HARK, HOLC excluded day 270.
WARNING: Data from COCO, CRO1, HARK, LPGS, TROM excluded day 271.
WARNING: Data from PRN08, COCO, CRO1, HOB2, LPGS excluded day 272.
WARNING: Data from COCO, CRO1, HOB2 excluded day 273.
WARNING: Data from COCO, HOB2, LPGS excluded day 274.
WARNING: Data from COCO, HOB2, KERG, LHAS excluded day 275.
WARNING: Data from COCO, HOB2, KELY, LPGS excluded day 276.

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 977 (1998 Sep 27 - Oct 03)
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
51083.50  121833  450693  -1681017  11975  48  53  207  207 37  0 27   707 -1995
51084.50  122931  448897  -1692706  11402  50  55  216  216 37  0 27  1276 -2140
51085.50  124024  447172  -1704643  12472  52  60  222  222 37  0 26  1169 -1686
51086.50  125007  445682  -1716881  12005  59  59  222  222 37  0 27  1493 -1531
51087.50  126126  444489  -1729203  12638  51  57  226  226 37  0 27  1068 -1439
51088.50  127344  443267  -1742167  13290  53  60  227  227 37  0 27  1671 -1700
51089.50  129084  441881  -1755546  13469  52  57  220  220 37  0 27  1550 -1372
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 977:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 977 (1998 Sep 27 - Oct 03)
      98  9 27   98  9 28   98  9 29   98  9 30   98 10  1   98 10  2   98 10  3
prn   3d rss (cm)
  1       9         11          7         14         18         11          6   
  2       9          6         18         14         12         19         11   
  3      30         22         17         18         21          9         17   
  4       5          9         14         14          9          8          6   
  5       8         10         16         11          8         12          7   
  6      16         17         15         16         12         16         16   
  7       8          7         14         10         10         13          7   
  8      15          9                     8         16         11         11   
  9      10         12         19         12         13         11          8   
 10       4          6         12         12          9         13          9   
 13       6          7         11         18         12         13          7   
 14       5          8         10         17         13         15         17   
 15      16         11          6         12         13         17         14   
 16       9         10         16         27         23          9          8   
 17       7          6         14         11         14         13         18   
 18       8          8         15          8         12         11          9   
 19      18         19         20         16         14         20         20   
 21       6         14          9         11         12         16         15   
 22       8          7         14         12         10         11         13   
 23      27         16         10          9         20         19         10   
 24      10         19         25         16          9         15         12   
 25      11         12          9         12         10         12          9   
 26       7          8         15         24         16         13          7   
 27       6          7         12         16         11         15         12   
 29       7          8          8         15         15          9          8   
 30       9         10          8         18         10         17          8   
 31      10         12         11         14          5         23         10   
_______________________
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 977 (1998 Sep 27 - Oct 03)
 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    .767e-01    .142        63.4        4.35        2.70    
AREQ*  4.0    276.        .116        70.5        4.00        1.94    
ASC1   4.0    .169e+04    .156          .         5.18        1.56    
AUCK   6.0    85.4        .970e-01    48.0        4.85        2.59    
BAHR   4.0    .927        774.        42.5        5.27        2.55    
BARB    .8    102.        .161e-01    33.0        7.00        2.21    
BOGT   2.8    .283e+04    .131        66.3        5.00        1.56    
CAS1   5.8    15.6        .250e+04    40.2        6.19        1.16    
DAV1*  6.9    145.        .111          .         5.00        1.37    
EISL   6.8    127.        .871e-01    67.9        4.87        2.75    
FAIR*  7.0    31.2        .784e-01    54.7        4.73        2.06    
FORT*  2.7    50.9        .224        80.2        5.75        1.61    
GALA   2.2    420.        .161        72.2        4.34        1.50    
GOL2*  7.0    .800e-01    .779        60.7        4.74        2.32    
GOUG   1.0    .288e+06    506.        64.0        4.00        2.43    
GUAM*  6.8    136.        .397e-01    85.1        6.18        1.93    
HARK*  5.0    817.        4.57          .         4.81        2.75    
HOFN   2.6    .289e+06    491.        47.7        6.31        1.61    
HRAO   6.0    444.        1.46        65.0        5.06        2.58    
IISC   6.8    251.        .519e-01    78.9        5.21        1.74    
IRKT*  1.7    .257       -.988e-02    60.5        5.00        2.49    
KELY    .4    .220e+05    8.50          .         5.00        1.60    
KERG*  5.7    .242e+04    .187e+04      .         5.19        2.28    
KIT3*  7.0    121.        .903e-01    70.9        4.46        2.37    
KOKB*  7.0    .107       -.469e-01    89.2        5.60        2.78    
KOUR*  3.7    87.8       -.227        81.4        5.28        1.47    
KSTU    .9    84.0        .909e-01    39.0        5.00        2.56    
KWJ1*  6.5    .180e+05   -1.17        86.7        6.47        1.87    
MAC1*  6.9    89.8        .969e-01    40.3        4.44        1.94    
MAD2*  4.0    .713e-01    1.50        64.1        6.00        2.51    
MALI*  5.8    7.05        9.51        98.6        6.52        1.79    
MAS1*  3.0    3.16        .219        63.4        4.34        2.18    
MATE*  2.0    .131       -3.49        60.5        5.52        2.77    
MCM4   2.0    95.3        .121        48.2        5.51        1.19    
MDVO    .8    .309        226.        69.0        6.00        1.77    
MKEA   7.0    29.8       -.251        67.8        5.00        2.87    
NOTO   1.0    .639        996.        87.0        7.00        2.54    
NRC1   1.1    .           .           103.        4.00        2.69    
NTUS   5.3    99.4        .448e-01    90.7        5.88        1.34    
NYA1    .8    .106       -35.1        55.0        7.00        1.21    
OHIG*  6.9    132.        .101        51.5        4.00        2.11    
ONSA*  3.6    .209       -.682        42.8        4.00        2.18    
PETR    .9    .286e+06    522.        43.0        5.00        2.65    
PRDS   1.0    10.8        1.43        80.0        4.00        2.35    
SANT*  4.9    .225e+04   -.118        49.7        4.41        1.26    
SUTH   1.0    107.        .175        57.0        4.00        3.10    
THU1*  2.0    68.7        .772e-01    47.5        6.08        1.68    
TID2*  7.0    84.3        .870        43.9        5.73        2.47    
TSKB*  7.0    1.49       -2.94        56.0        5.18        2.90    
USNO   6.4    .           .           64.0        5.90        2.72    
USUD   7.0    .225        1.39        47.5        5.05        2.73    
VESL   4.9    .290e+06    507.        48.6        4.61        2.21    
WTZR*  6.7    .152       -2.47        66.7        4.32        2.77    
WUHN    .8    8.96       -365.        59.0        5.00        2.79    
XIAN   2.0    101.        .885e-01    54.5        4.52        2.86    
YAKA   3.9    113.        .121        57.6        4.54        2.45    
YAKZ   1.0    .289e+06    438.        44.0        5.00        2.51    
YAR1*  6.9    84.3        .969e-01    47.2        4.00        2.36    
YELL*  7.0    32.9       -.184e-01    53.6        5.01        1.55    
PRN01  7.0    82.0        60.5        57.9        5.00        2.03    
PRN02  7.0    79.9       -538.        64.1        5.00        2.17    
PRN03  7.0    80.5        52.8        63.4        5.00        2.06    
PRN04  6.8    82.4        53.1        63.6        5.00        2.02    
PRN05  7.0    79.8        166.        60.6        5.00        2.35    
PRN06  7.0    82.0       -.606        63.3        5.16        2.17    
PRN07  7.0    78.4        793.        58.5        5.00        2.21    
PRN08  5.7    79.9        184.        61.8        5.18        1.96    
PRN09  6.6    78.9       -12.4        61.5        5.00        2.04    
PRN10  7.0    80.4        27.0        65.4        5.00        2.03    
PRN13  7.0    80.5       -288.        58.8        5.15        2.20    
PRN14  6.9    81.4        4.78        62.7        5.00        2.11    
PRN15  6.7    3.40        605.        65.7        5.00        1.95    
PRN16  7.0    81.7        81.7        69.6        5.00        2.24    
PRN17  6.9    81.8       -190.        63.9        5.00        2.07    
PRN18  7.0    83.2        17.2        63.3        5.16        2.15    
PRN19  6.8    79.4       -50.0        65.8        5.00        1.98    
PRN21  7.0    82.0        60.1        61.5        5.00        1.89    
PRN22  7.0    80.6        1.34        64.5        5.00        2.16    
PRN23  7.0    81.6        4.85        61.2        5.00        2.20    
PRN24  6.7    79.8        707.        64.5        5.15        1.97    
PRN25  6.6    82.5       -5.99        61.3        5.16        1.96    
PRN26  7.0    81.1        468.        57.2        5.00        2.33    
PRN27  6.8    80.6        42.7        63.9        5.15        1.92    
PRN29  7.0    79.3        404.        57.6        5.00        2.05    
PRN30  7.0    80.5       -11.1        57.4        5.00        2.25    
PRN31  7.0    81.2        7.51        60.7        5.00        2.15    
_______________________
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  9 27   98  9 28   98  9 29   98  9 30   98 10  1   98 10  2   98 10  3
prn   3d rss (cm)
  1     345        397        344        296        243        194        239   
  2     276        258        330        179        303        276        451   
  3     218        252        231        297        262        221        206   
  4     289        232        337        440        416        307        254   
  5     321        306        325        492        439        392        412   
  6     499        414        456        597        707        420        451   
  7     345        285        435        505        295        377        337   
  8    1406        419                   694        233        629       1207   
  9     262        707        812        281        331        272        337   
 10     385        368        408        478        505        468        351   
 13     224        158        170        168        272        216        226   
 14    1545       1048        529        466       1081        610        449   
 15     376        183        379        214        379        242        190   
 16     394        373        441        372        319        632        504   
 17     333        320        182        271        360        595        428   
 18     787        590        512        470        617        634        347   
 19     358        328        244        427        220        310        358   
 21     199        208        168        502        670        317        224   
 22     537        387        468        639        709        466        304   
 23     359        348        461        418        231        488        415   
 24     371        354       1354        325        303        453       1040   
 25     456        519        848        443        310        314        379   
 26     604        452        283        317        268        337        455   
 27     624        461        458        563        505        611        444   
 29     206        192        243        255        349        312        314   
 30     377        360        458        237        291        228        239   
 31     187        248        470        176        272        954        848   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo areq asc1 auck bahr barb bogt cas1 dav1 eisl fair fort gala gol2 goug guam hark hofn hrao iisc irkt kely kerg kit3 kokb kour kstu kwj1 mac1 mad2 mali mas1 mate mcm4 mdvo mkea noto nrc1 ntus nya1 ohig onsa petr prds sant suth thu1 tid2 tskb usno usud vesl wtzr wuhn xian yaka yakz yar1 yell

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