[IGSREPORT-5245] Wk 0970 JPL Analysis Report

D D
Tue Aug 25 14:27:32 PDT 1998


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IGS Electronic Report    Tue Aug 25 14:27:32 PDT 1998      Message Number 5245
******************************************************************************

Author: D C Jefferson
Subject: Wk 0970 JPL Analysis Report

******************************************************************************
JPL ANALYSIS REPORT   GPS-WEEK 0970 (DAYS 221-227, DATES 1998 Aug 09 - Aug 15)
******************************************************************************

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/0970.  These files (except for *.tro) have also
been sent to the CDDIS.


______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09707.sum         This text file.
jpl09707.erp         Earth rotation parameters for GPS week 970.
jpl09707.snx         Ground station coordinates for GPS week 970, SINEX format.
jpl0970[0-6].sp3     GPS ephemerides for GPS week 970, sp3 format.
jpl0970[0-6].tro     Ground station troposphere estimates for GPS week 970.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 10.0 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 223.
WARNING: FAIR (not USNO) used as reference clock day 224.
WARNING: PIE1 (not USNO) used as reference clock day 225.
WARNING: Data from HARK, SANT excluded day 221.
WARNING: Data from FAIR, HARK, NSSP, SANT excluded day 222.
WARNING: Data from NOTO, NSSP excluded day 223.
WARNING: Data from AUCK, CASA, LPGS, NOTO, NSSP, SCIP excluded day 224.
WARNING: Data from CASA, LPGS excluded day 225.
WARNING: Data from CASA, HARK, HOB2 excluded day 226.
WARNING: Data from CASA, HARK, HOB2, LAMA, LPGS, NYAL excluded day 227.

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 970 (1998 Aug 09 - Aug 15)
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
51034.50   21193  478372  -1287288   6216  39  45  179  179 37  0 27  2143   553
51035.50   23678  478480  -1293190   5589  41  46  180  180 37  0 27  2164    28
51036.50   26300  478429  -1298706   5443  42  46  182  182 37  0 27  2791    46
51037.50   29450  478494  -1304267   5679  47  48  185  185 37  0 27  2774   385
51038.50   32263  478500  -1309742   5271  45  52  184  184 37  0 27  2429   -51
51039.50   34729  478228  -1314829   4902  42  48  186  186 37  0 27  1861   107
51040.50   36717  478242  -1319721   4883  39  42  148  148 37  0 27  1674  -307
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 970:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 970 (1998 Aug 09 - Aug 15)
      98  8  9   98  8 10   98  8 11   98  8 12   98  8 13   98  8 14   98  8 15
prn   3d rss (cm)
  1       8          5          6         11          9         14         19   
  2       8          4          6         11         10          7          6   
  3      20         21         29         23         20         17         34   
  4      12         16          7         13         15          7          7   
  5      10          7          7          6         10         15         12   
  6       6         10          6         13         12         10          6   
  7       9         10          6         13         11          7          6   
  8       7          6          5         10          8          7          8   
  9      10          6          5          8          7          7          2   
 10      11         10          6          8         16         14          8   
 13      16         13          8          8         11          8         20   
 14      20         18         24         24         10         16         22   
 15      12         10         14         21         16         14          7   
 16      11          8          9         12         13          7          8   
 17      14         18         10         15         24         14         16   
 18      10          6          7          9         15          9          9   
 19      10          8          8         14         11          7         15   
 21       6          6         21         14         16         12         14   
 22       6         11         14         18         10         12          8   
 23      12         18         10         10         18         18         17   
 24      13          7          8         12         18          9         13   
 25       6          8          4         13         13         12          9   
 26       9          6          5         12         14          8         17   
 27       8          5          7          8          8          7          9   
 29       6          6          6         13         13         11         16   
 30      10          6          9          9          9          8          7   
 31       8         13         18         12         15         18         16   
_______________________
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 970 (1998 Aug 09 - Aug 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*  6.9    8.51        .737e-01    64.2        5.35        2.73    
AOML   1.0    97.4       -.493e-01    55.0        6.00        2.67    
AREQ*  2.0    98.5       -.462        50.6        4.00        2.18    
ASC1   6.8    169.       -.106        77.8        5.78        1.72    
BAHR   3.8    .584        495.        40.9        6.00        3.06    
BARB    .9    96.7        .320e-01    32.0        7.00        3.05    
BOGT   2.0    162.        .626e-01    68.5        6.00        1.85    
BRUS    .9    .654        .770        76.0        5.00        3.02    
CAS1   4.6    12.6        868.        36.5        6.00        1.21    
CHAT   2.0    160.        .247e-01    84.0        5.52        2.76    
CRO1   2.9    157.       -.315        58.7        5.69        1.77    
DAV1*  5.3    131.       -.293e-01      .         4.50        1.66    
DGAR   6.3    646.       -.805e-01    73.1        5.56        1.78    
EISL   6.9    116.       -.110        55.3        5.00        2.94    
FAIR*  5.9    162.        .205        56.7        5.00        2.37    
FORT*  5.6    .274       -.276        71.1        5.67        1.81    
GALA   2.7    292.        .358e-01    65.0        4.34        1.54    
GODE    .9    .288       -.850        48.0        5.00        2.73    
GOL2*  6.6    .140        .877        53.0        5.91        2.35    
GRAZ*  1.0    .555       -1.98        74.0        4.00        2.70    
GUAM*  6.0    116.       -.134        65.7        7.17        2.09    
HARK*  2.9    14.8        16.7          .         4.00        1.91    
HRAO   3.0    .174        75.1        38.0        4.36        2.54    
IISC   6.0    94.9       -.132        76.3        5.71        2.13    
IRKT*   .8    .170       -.524        65.0        5.00        2.50    
KELY   1.7    94.5        .254e-01      .         5.56        1.78    
KERG*  4.6    .145e+04    167.          .         5.00        2.34    
KIT3*  6.8    173.       -.102        71.0        5.05        2.32    
KOKB*  6.1    .688e+04    33.4        86.8        6.26        2.51    
KOUR*  1.0    .191e+04    8.39        76.0        5.00        1.74    
KSTU    .9    92.6        .986e-01      .         4.00        2.54    
KWJ1*  6.9    119.       -.113        73.3        6.74        1.88    
LPGS   1.9    132.       -.441        57.4        5.00        2.92    
MAC1*  4.3    92.3       -.167        39.4        4.19        2.28    
MAD2*  6.1    .196       -.350        62.1        5.90        2.52    
MAG0    .9    .289e+06    502.        33.0        5.00        2.44    
MALI*  6.9    843.       -156.        81.3        7.15        1.89    
MATE*  1.0    .162       -1.72        43.0        5.00        3.01    
MCM4   2.9    92.1        .512e-01    41.7        5.35        1.49    
MEDI    .8    .259        2.11        34.0        4.00        3.11    
MKEA   4.9    43.1        .406e-01    62.8        5.00        2.57    
NANO   1.0    7.28        183.        47.0        5.00        2.76    
NICO    .9    112.        .718e-01    58.0        6.00        2.64    
NOUM   2.0    .289e+06    508.        60.6        5.52        2.19    
NRC1   1.1    .           .           79.0        7.00        2.96    
NTUS   3.7    122.       -.268        89.3        6.05        1.45    
NYA1   6.9    .175       -22.1        42.6        5.16        2.10    
OHIG*  6.8    130.       -.112        59.1        5.00        1.97    
ONSA*  6.7    411.       -2.38        44.2        4.46        2.26    
PETR   1.0    .290e+06    475.        39.0        5.00        2.97    
PIE1*  1.0    .           .           46.0        5.00        2.81    
SANT*  4.3    .174e+04   -.549        41.5        5.00        1.28    
SUTH   3.9    100.        .250e-01    44.7        4.53        2.40    
THTI   1.2    457.       -.798e-01    79.0        4.00        2.44    
TID2*  6.3    .131        .563e-01    41.1        5.54        2.45    
TSKB*  6.9    1.61       -2.74        50.8        5.33        3.25    
USNO   4.5    .           .           60.8        6.00        2.70    
USUD   4.9    .154       -1.32        42.2        5.84        3.15    
WTZR*  6.9    .943       -3.75        65.6        5.33        2.71    
WUHN   1.0    7.01       -88.4        54.0        6.00        2.64    
XIAN   5.9    95.8       -.133        47.1        5.00        2.60    
YAKA   1.8    112.        .535e-01    55.6        5.00        2.10    
YAKZ   2.5    .289e+06    437.        44.1        5.76        2.20    
YAR1*  6.9    82.8       -.110        40.0        4.87        2.35    
YELL*  6.9    .169       -1.66        50.9        5.45        1.91    
PRN01  6.7    81.6        55.6        58.7        5.45        2.08    
PRN02  6.9    83.0       -519.        61.6        5.00        2.24    
PRN03  6.8    81.4        37.5        60.5        5.46        2.18    
PRN04  6.9    79.0        42.3        58.4        5.15        1.90    
PRN05  6.9    82.6        160.        57.4        5.16        2.44    
PRN06  6.6    81.9       -.713        63.9        5.45        2.04    
PRN07  6.8    78.2        787.        59.2        5.15        2.22    
PRN08  6.9    81.0        510.        58.5        5.16        2.13    
PRN09  6.9    81.9       -6.11        58.9        5.30        2.36    
PRN10  6.9    83.4        25.0        59.0        5.15        2.07    
PRN13  6.9    82.8       -228.        58.0        5.46        2.28    
PRN14  6.9    81.7        1.99        58.5        5.30        2.41    
PRN15  6.9    3.75        587.        64.2        5.30        2.26    
PRN16  6.9    82.8        74.4        59.7        5.45        2.18    
PRN17  6.9    78.9       -186.        63.1        5.30        2.10    
PRN18  6.7    82.8        15.8        58.7        5.31        2.13    
PRN19  6.9    81.1       -24.9        60.1        5.00        2.03    
PRN21  6.9    81.5        52.6        60.0        5.46        2.12    
PRN22  6.9    81.5        .537        57.3        5.15        2.40    
PRN23  6.9    82.5        2.58        60.9        6.00        2.17    
PRN24  6.9    81.4        784.        57.3        5.60        2.17    
PRN25  6.9    81.7       -6.23        57.6        5.31        2.05    
PRN26  6.6    82.0        197.        56.4        5.45        2.33    
PRN27  6.9    79.0        38.0        59.4        5.00        2.00    
PRN29  6.7    81.7        495.        57.9        6.87        2.33    
PRN30  6.9    80.5       -5.00        54.5        5.16        2.32    
PRN31  6.8    82.8        5.63        57.3        5.31        2.13    
_______________________
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  8  9   98  8 10   98  8 11   98  8 12   98  8 13   98  8 14   98  8 15
prn   3d rss (cm)
  1     366        359        350        404        392        443        486   
  2     183        229        472        307        259        474        463   
  3     270        163        222        391        208        190        308   
  4     238        273        259        371        451        352        306   
  5     395        227        338        449        374        321        205   
  6     630        917       1098        953        422        562        499   
  7     343        515        344        488        436        387        412   
  8     566        336        455        408        432        316        396   
  9     129        289        413        413        424        189        213   
 10     262        274        467        247        183        346        366   
 13     174        293        317        302        320        183        246   
 14     840        816        756        768        578       1352        735   
 15     189        233        283        257        165        228        409   
 16     360        257        423        693        348        463        424   
 17     164        390        387        413        313        302        523   
 18     345        538        497        367        457        340        295   
 19     199        190        229        267        210        248        186   
 21     297        215        222        519        353        207        353   
 22     284        172        404        439        236        730        808   
 23     886       1032       1089        603        881        844        913   
 24     461        453        322        400        981        608        418   
 25     380        269        301        408        439        633        539   
 26     249        473        289        449        315        405        275   
 27     260        348        393        357        317        365        377   
 29     220        298        346        268        417        477        334   
 30     299        155        174        253        199        523        237   
 31     254        358        376        228        228        241        184   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo aoml areq asc1 bahr barb bogt brus cas1 chat cro1 dav1 dgar eisl fair fort gala gode gol2 graz guam hark hrao iisc irkt kely kerg kit3 kokb kour kstu kwj1 lpgs mac1 mad2 mag0 mali mate mcm4 medi mkea nano nico noum nrc1 ntus nya1 ohig onsa petr pie1 sant suth thti tid2 tskb usno usud wtzr wuhn xian yaka yakz yar1 yell


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