Subject: [IGSREPORT-5288] Wk 0972 JPL Analysis Report
From: M B Heflin
Date: Tue, 8 Sep 1998 13:29:58 PDT

******************************************************************************
IGS Electronic Report    Tue Sep  8 13:29:58 PDT 1998      Message Number 5288
******************************************************************************

Author: M B Heflin
Subject: Wk 0972 JPL Analysis Report

******************************************************************************
JPL ANALYSIS REPORT   GPS-WEEK 0972 (DAYS 235-241, DATES 1998 Aug 23 - Aug 29)
******************************************************************************

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/0972.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09727.sum         This text file.
jpl09727.erp         Earth rotation parameters for GPS week 972.
jpl09727.snx         Ground station coordinates for GPS week 972, SINEX format.
jpl0972[0-6].sp3     GPS ephemerides for GPS week 972, sp3 format.
jpl0972[0-6].tro     Ground station troposphere estimates for GPS week 972.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 11.0 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: GOL2 (not USNO) used as reference clock day 235-237.
WARNING: NRC1 (not USNO) used as reference clock days 238.
WARNING: Data from COCO, HOB2 excluded day 235.
WARNING: Data from COCO, HOB2, IISC, LPGS, NYA1 excluded day 236.
WARNING: Data from BAHR, COCO, DAV1, HOB2, HOLC, HRAO, IISC, LPGS, MALI, NYAL, PENC, TROM, YAR1 excluded day 237.
WARNING: Data from ANKR, BAHR, COCO, DAV1, HOB2, HRAO, IISC, LPGS, MALI, PENC, STJO, YAR1 excluded day 238.
WARNING: Data from COCO, DAV1, HARK, HOB2, HRAO, IISC, KELY, MALI, PENC, YAR1 excluded day 239.
WARNING: Data from COCO, HARK, HERS, HOB2, LPGS, MCM4, NYAL excluded day 240.
WARNING: Data from COCO, HARK, LPGS, MCM4, YELL excluded day 241.

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 972 (1998 Aug 23 - Aug 29)
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
51048.50   53373  476592  -1355302   4924  48  50  187  187 37  0 27  1471   -44
51049.50   55379  476332  -1360493   5458  51  51  182  182 37  0 27  1625   175
51050.50   57221  476429  -1366186   5928  48  55  189  189 37  0 27  1950  -447
51051.50   59489  476445  -1372665   7031  52  56  192  192 37  0 27  1807  -462
51052.50   61963  476551  -1379824   7286  62  73  211  211 37  0 25  1831  -639
51053.50   64539  476189  -1386618   6303  49  54  183  183 37  0 27  2352   105
51054.50   66819  476234  -1393031   6522  48  50  178  178 37  0 27  1701   103
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 972:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 972 (1998 Aug 23 - Aug 29)
      98  8 23   98  8 24   98  8 25   98  8 26   98  8 27   98  8 28   98  8 29
prn   3d rss (cm)
  1      13         10          8         12          8         10          7   
  2      12         10          7          9          9         14          4   
  3      14         14         12         22         35         17         24   
  4       8         10         12         14         18         15          9   
  5      11          5          8         12          8         18          6   
  6      11          8         13         15          6         14          5   
  7      22          9         11          9         13          8          6   
  8      15          7          9         12          7         10          6   
  9       9          7          7         12          7          9          9   
 10      13         10         20         26         15         11         11   
 13      16         14         17         14                    11         11   
 14      15         14         13         17         25         16         15   
 15      10         14          9         16         20         16          7   
 16       5         12         11          7         14          8          6   
 17      25         11         12         19         13         13         11   
 18       8          9          8         22         14          8         15   
 19      17         13         15         16         17          8         10   
 21      13         16          8          9         17          8         14   
 22      14         10          6         15         16         10         14   
 23      12         14         15         21         14         18         14   
 24      20         10          8         67         25         14         11   
 25      10          6          6         11         12          9          6   
 26      20         11         10         25         20         11          6   
 27      16          9         11          8         16         16          8   
 29      12         11         10         10         12         10          9   
 30      16          8          6          6                     5          5   
 31      15          8          8         16          8         10          8   
_______________________
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 972 (1998 Aug 23 - Aug 29)
 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    .149       -.349        63.5        5.80        2.41    
AOML   1.9    110.       -1.40        59.9        7.49        2.69    
AREQ*   .9    111.        .777e-01    67.0        4.00        1.96    
ASC1   6.4    212.       -.596        77.3        4.74        1.69    
AUCK   6.0    89.3       -.670        43.9        4.85        2.74    
BOGT   3.7    314.       -1.04        71.1        6.08        1.73    
BRUS   1.0    .479        3.90        64.0        5.00        2.80    
CAS1   6.7    11.9        .133e+04    34.0        5.15        1.28    
CASA   1.0    21.1        17.6        45.0        6.00        2.83    
CHAT   1.0    107.        .630e-01    87.0        5.00        3.06    
CRO1    .9    157.        .329e-01    53.0        6.00        1.68    
DAV1*  3.8    147.       -.655          .         5.00        1.26    
DGAR   2.3    .231e+04   -.233        73.4        6.00        1.69    
DRAO   1.0    .225        .322        35.0        4.00        3.06    
EISL   7.0    151.       -.577        61.1        5.03        2.74    
FAIR*  6.5    52.1       -.515        52.1        5.26        1.62    
FORT*  4.8    .177       -1.03        75.6        5.22        1.79    
GALA   2.8    296.        .698e-01    66.1        4.70        1.63    
GOL2*  7.2    1.38        1.62        50.6        5.18        2.32    
GUAM*  4.9    123.       -.857        67.4        6.38        1.99    
HARK*  2.9    14.0        22.4          .         4.00        2.56    
HRAO   4.0    8.83       -.527        45.1        4.00        2.64    
IISC   1.8    134.       -.742          .         5.00        1.67    
KELY    .7    101.       -1.47          .         5.00        1.00    
KERG*  3.7    729.        828.          .         5.00        2.41    
KIT3*  2.6    140.       -1.40        72.2        4.70        1.81    
KOKB*  6.9    .796        48.7        82.0        6.16        2.58    
KOSG*  1.0    .622       -5.94        45.0        5.00        2.58    
KOUR*  1.8    102.       -.278        69.5        5.00        1.76    
KSTU   1.0    92.6       -1.41          .         4.00        2.57    
KWJ1*  7.0    136.       -.577        79.3        7.01        1.89    
LHAS*  2.0    153.        .510e-01    81.5        5.55        2.48    
MAC1*  6.7    .124e+05    .270        37.5        4.96        1.83    
MAD2*  1.0    .788e-01   -.128        58.0        6.00        2.52    
MALI*  4.0    11.0       -172.        91.0        6.77        1.88    
MAS1*  6.0    2.73        .118        55.1        4.18        2.48    
MATE*  2.0    574.        1.52        49.5        5.09        2.73    
MCM4   4.0    159.       -1.04        61.3        6.00        1.36    
MDVO    .9    .217        226.        69.0        6.00        2.12    
METS   1.0    .340       -.194        47.0        4.00        2.18    
MKEA   4.0    .858e-01   -.704        62.1        4.78        2.73    
NANO   2.0    10.6        250.        45.0        4.50        2.67    
NICO   2.0    114.       -1.41        60.0        5.52        2.28    
NOTO   3.0    .124        996.        77.5        6.36        2.94    
NRC1   2.1    .158       -1.53        65.0        5.53        2.40    
NTUS   4.4    .425e+04   -.814        84.1        6.04        1.39    
NYA1   4.4    .268e+04   -15.2        45.8        5.39        1.53    
OHIG*  6.7    431.       -.578        55.2        4.46        1.99    
ONSA*  7.0    253.       -.989        42.8        4.16        2.18    
PERT*  1.8    1.68       -1.32        57.0        4.50        2.82    
PETR   6.9    .285e+06    489.        48.9        5.88        2.76    
PIE1*  1.0    .629e-01    .127        51.0        5.00        2.81    
POL2    .8    82.2        .463e-01    84.0        4.00        2.56    
REYK   3.0    89.0       -.899        56.7        6.00        1.96    
SANT*  6.4    .104e+04   -.701        45.8        4.81        1.47    
SELE   1.9    107.        .572e-01    36.9        4.00        3.14    
STJO   1.9    .131e+06    12.1        56.8        4.55        2.58    
THTI    .8    250.       -1.51        82.0        5.00        1.87    
THU1*  2.0    72.0       -.685        47.5        6.00        1.78    
TID2*  7.0    131.        .396        42.1        5.00        2.53    
TSKB*  7.0    1.69       -3.28        48.0        6.18        3.05    
USNO   3.3    .           .           59.9        6.00        2.88    
USUD   4.0    .991e-01   -.520e-01    42.6        6.59        3.10    
WTZR*  6.8    1.36       -3.08        63.3        4.62        2.72    
WUHN   1.9    .112e+05   -25.2        50.9        6.00        2.13    
XIAN   3.7    94.8       -.617        46.0        5.00        2.41    
YAKA   2.6    103.       -.399        58.7        5.00        2.28    
YAKZ    .8    .289e+06    435.        46.0        5.00        2.31    
YAR1*  3.5    95.4       -.586        36.5        4.74        2.43    
YELL*  6.0    .208       -2.34        50.3        5.48        1.28    
ZECK   2.8    67.3       -.437        48.6        4.35        2.68    
PRN01  6.6    82.1        56.4        57.5        5.15        2.08    
PRN02  7.0    79.6       -525.        60.1        5.00        2.09    
PRN03  7.0    78.9        41.5        59.1        5.44        2.11    
PRN04  7.0    79.1        44.4        57.7        5.46        1.90    
PRN05  7.0    81.6        161.        57.3        5.30        2.34    
PRN06  7.0    82.7       -1.22        59.2        5.00        2.06    
PRN07  7.0    80.4        788.        58.0        5.00        2.02    
PRN08  7.0    81.2        529.        56.8        5.17        2.04    
PRN09  7.0    79.6       -8.38        58.5        5.15        2.11    
PRN10  6.9    80.7        25.0        60.7        5.00        1.89    
PRN13  6.0    80.7       -245.        58.3        5.18        2.10    
PRN14  7.0    81.8        2.24        58.8        5.44        2.33    
PRN15  6.9    3.05        592.        60.0        5.45        2.23    
PRN16  7.0    80.4        76.0        59.3        5.31        2.11    
PRN17  6.8    81.6       -187.        61.5        5.00        1.98    
PRN18  6.8    81.9        15.5        56.9        5.31        2.06    
PRN19  7.0    80.2       -32.3        60.1        5.00        2.12    
PRN21  7.0    78.8        54.3        58.1        5.31        2.05    
PRN22  7.0    80.9        .243        57.7        5.45        2.17    
PRN23  7.0    80.5        2.62        61.9        5.47        2.10    
PRN24  7.0    81.7        765.        58.6        5.45        1.94    
PRN25  7.0    82.4       -6.65        58.7        5.15        1.95    
PRN26  6.6    82.8        283.        55.0        5.30        2.05    
PRN27  7.0    83.4        38.9        58.5        5.00        2.14    
PRN29  6.7    81.8        475.        55.2        5.87        2.05    
PRN30  6.0    79.4       -7.42        53.8        5.18        2.06    
PRN31  7.0    81.5        5.60        58.8        5.15        2.09    
_______________________
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 23   98  8 24   98  8 25   98  8 26   98  8 27   98  8 28   98  8 29
prn   3d rss (cm)
  1     473        450        471        461        585        320        544   
  2     170        216        178        202        332        288        156   
  3     294        230        211        312        253        308        232   
  4     279        287        281        283        435        564        310   
  5     281        352        191        424        419        284        253   
  6     420        529        603        532        448        549        595   
  7     340        353        344        328        304        548        488   
  8     395        248        198        220        501        292        364   
  9     460        427        288        397        274        630        178   
 10     345        390        368        187        230        376        251   
 13     219        340        189        187                   435        202   
 14     503        796       1266        580        773        910       1338   
 15     380        714        625        366        616        449        290   
 16     296        456        452        361        473        498        681   
 17     269        335        221        170        198        254        237   
 18     532        479        396        325        824        873        618   
 19     181        241        138        207        251        329        231   
 21     441        250        236        176        344        317        191   
 22     403        476        330        399        398        383        327   
 23     502        510        772        581        638        400        360   
 24     710        346        423        457        602        807        584   
 25     611        695        676        343        334        714        448   
 26     310        318        227        426        631        539        646   
 27     296        318        229        253        305        287        260   
 29     289        291        315        395        338        343        171   
 30     238        265        555        206                   752        326   
 31     356        184        169        241        344        325        336   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo aoml areq asc1 auck bogt brus cas1 casa chat cro1 dav1 dgar drao eisl fair fort gala gol2 guam hark hrao iisc kely kerg kit3 kokb kosg kour kstu kwj1 lhas mac1 mad2 mali mas1 mate mcm4 mdvo mets mkea nano nico noto nrc1 ntus nya1 ohig onsa pert petr pie1 pol2 reyk sant sele stjo thti thu1 tid2 tskb usno usud wtzr wuhn xian yaka yakz yar1 yell zeck

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