Subject: [IGSREPORT-4849] Wk 0954 JPL Analysis Report
From: D C Jefferson
Date: Fri, 1 May 1998 16:32:31 PDT

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IGS Electronic Report    Fri May  1 16:32:31 PDT 1998      Message Number 4849
******************************************************************************

Author: D C Jefferson
Subject: Wk 0954 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0954 (DAYS 109-115, DATES 1998 Apr 19 - Apr 25)
******************************************************************************

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/0954.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09547.sum         This text file.
jpl09547.erp         Earth rotation parameters for GPS week 954.
jpl09547.snx         Ground station coordinates for GPS week 954, SINEX format.
jpl0954[0-6].sp3     GPS ephemerides for GPS week 954, sp3 format.
jpl0954[0-6].tro     Ground station troposphere estimates for GPS week 954.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 9.0 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: Data from PRN08 deweighted the entire GPS week 954.
WARNING: Data from EBRE, GRAZ, KIT3, ONSA excluded day 109.
WARNING: Data from OHIG excluded day 110.
WARNING: Data from CMP9, CSN1 excluded day 111.
WARNING: Data from CMP9, CSN1, ONSA excluded day 112.
WARNING: Data from CMP9, ONSA excluded day 113.
WARNING: Data from ONSA, YAKZ excluded day 114.
WARNING: Data from YAKZ excluded day 115.

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 954 (1998 Apr 19 - Apr 25)
     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
50922.50 -11336  30012    -6003  1971    2    3    10     10 37 20 27  -41  256 
50923.50 -11335  30270    -7973  1968    3    3    10     10 37 23 27  -69  271 
50924.50 -11337  30542    -9916  1918    2    3    10     10 37 21 27  -53  265 
50925.50 -11358  30833   -11845  1940    2    3    10     10 37 23 27  -53  258 
50926.50 -11341  31123   -13801  1973    2    3    10     10 37 22 27  -12  270 
50927.50 -11345  31408   -15784  1992    2    3    10     10 37 19 27   -3  218 
50928.50 -11321  31603   -17804  2048    2    2     9      9 37 23 27   21  176 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 954:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 954 (1998 Apr 19 - Apr 25)
      98  4 19   98  4 20   98  4 21   98  4 22   98  4 23   98  4 24   98  4 25
prn   3d rss (cm)
  1       9         11         13          5         11          8          8   
  2       8          9          8          8          8         11         11   
  3       6          4          7          7         12          6          5   
  4      16         17         10          8         14         13          7   
  5      11          7         12          5          8          6          5   
  6       8          5          9          5          7         11         10   
  7      14         11          7          8         14          8          8   
  8      85        175        208        142        164        100         86   
  9       7          9         17          9         14          9          6   
 10      18         13          8          5          8         10          4   
 13      10         15         13         11         18         10          9   
 14      14         12          6          6          9          9          6   
 15      28         20         18         20         25         12          4   
 16       8         11          9          8         10          5          2   
 17       6          6          7         10         14          8          7   
 18       4         10          9         10          9          7         19   
 19       6          9          7          6         14         11          5   
 21       9          9         10          6          9          9         10   
 22       7          9         10          9          8          6          7   
 23       6          9         10          8         19         21          8   
 24       8         20         26          6          9         10          9   
 25       6          9         11          8         10          7          6   
 26      19         17         13          8          9          4         13   
 27       6          7          8          9          9         11          7   
 29       8         10          9          4          5          7          5   
 30       8          9         12          4          6          9          9   
 31       7          7         12         20         14         10         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 954 (1998 Apr 19 - Apr 25)
 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    .706e-01    .564        56.4        4.00        2.69    
ASC1   4.9    .152e+05   -.403e-01    79.7        5.00        1.63    
AUCK   1.0    87.0        .874e-01    39.0        5.00        2.51    
BAHR   5.1    .471        97.8        39.8        5.00        3.33    
BOGT   5.8    .135e+04    .504e-01    70.5        6.00        1.66    
CAS1   4.9    .759e+07   -.149e+05    36.0        5.64        1.35    
CHAT   6.0    108.        .834e-01    79.9        5.35        2.68    
COCO   2.9    98.8       -.187e+05    53.0        5.67        3.22    
CRO1   1.0    .185e+04    .799e-01    61.0        5.00        1.93    
DAV1*  4.7    131.        .104          .         5.00        1.36    
DGAR   5.9    .184e+04    .103        68.6        5.48        1.62    
DRAO   2.0    .505e+04    27.5        34.5        4.00        2.58    
EISL   6.9    129.        .871e-01    62.2        5.91        2.69    
FAIR*  3.8    .277       -.457        48.0        5.25        1.82    
FORT*  7.0    29.8       -.430e-01    79.6        6.15        1.63    
GALA    .8    142.        .930e-01    83.0        6.00        1.44    
GOL2*  6.9    123.        1.08        48.4        4.31        2.07    
GUAM*  6.9    122.        .640e-01    66.3        6.30        2.09    
HARK*  5.7    12.5       -5.42        54.3        4.54        2.67    
HRAO   1.0    65.7        .830e-01    36.0        5.00        2.33    
IRKT*  1.6    .213        .426        55.0        5.00        2.58    
KELY   2.5    .180e+04   -.225          .         5.71        1.52    
KERG*  6.7    .269e+04    146.          .         5.33        2.43    
KIT3*  4.8    146.        .908e-01    70.3        5.25        2.62    
KOKB*  7.0    36.4        .395        75.7        5.00        2.53    
KSTU    .8    104.        .576e-01      .         4.00        2.59    
KWJ1*  6.9    148.        .880e-01    78.1        5.58        1.73    
LHAS*  6.0    104.        .801e-01    70.6        4.68        2.60    
MAC1*   .9    87.8        .966e-01    38.0        5.00        1.92    
MAD2*  7.0    .193        .306        52.5        5.30        2.14    
MAG0    .9    .289e+06    491.        34.0        5.00        2.41    
MALI*  7.0    48.0       -625.        90.4        7.20        1.90    
MATE*  1.0    .697e-01   -1.74        42.0        4.00        2.89    
MCM4   5.0    89.7        .929e-01    41.3        4.81        1.06    
MDVO   1.0    .364        375.        67.0        6.00        1.80    
MKEA   6.0    .174       -.586        54.9        4.69        2.55    
NOUM   3.7    .289e+06    500.        60.6        5.28        2.03    
NRC1   7.6    .           .           78.8        4.00        2.94    
NTUS    .4    .121e+05   -17.5          .         6.00        1.36    
NYA1   1.0    .769e-01   -1.33        40.0        5.00        1.83    
NYAL   5.6    .206       -1.08        71.7        4.83        1.56    
OHIG*  4.5    .175e+06   -14.5        53.7        4.64        1.74    
ONSA*  3.0    .777e-01   -.703e-02    39.3        3.37        2.24    
PETR   2.9    88.3        .828e-01    50.4        5.00        2.30    
POL2   1.0    87.0        .744e-01    70.0        4.00        2.40    
RCM6   4.0    120.        .855e-01    87.7        4.77        2.43    
REYK   1.0    86.8        .825e-01    59.0        6.00        2.02    
SANT*  6.6    722.       -.647        50.1        5.16        1.89    
SFER    .9    .796        26.8        75.0        5.00        3.32    
TID2*  6.9    .113        6.60        41.0        5.31        2.35    
TSKB*  7.0    1.57       -1.88        49.7        4.60        2.96    
USUD   5.9    .734       -.780        47.5        4.69        2.60    
WTZR*  6.8    177.        .583        61.9        4.47        2.71    
WUHN   5.9    7.57       -.121e+04    51.3        5.72        2.39    
XIAN    .9    93.5        .648e-01    42.0        5.00        2.89    
YAKA   2.7    101.        .906e-01    59.7        4.00        2.36    
YAKZ    .8    .289e+06    450.        46.0        5.00        2.61    
YAR1*  7.0    81.1        .862e-01    40.5        4.76        2.28    
YELL*  7.0    .165e+05    9.23        47.9        5.00        1.41    
ZECK   1.9    71.6        .764e-01    51.5        4.55        2.47    
PRN01  7.0    82.0        45.5        54.8        5.16        2.11    
PRN02  7.0    80.0       -478.        64.9        5.00        2.38    
PRN03  7.0    82.4        120.        60.3        5.00        2.19    
PRN04  6.6    78.3        23.1        61.9        5.58        1.89    
PRN05  7.0    81.4        146.        66.5        5.00        2.35    
PRN06  7.0    82.0       -.137        61.9        4.87        2.10    
PRN07  7.0    79.8        776.        62.5        5.00        2.19    
PRN09  6.9    82.5       -38.3        61.5        5.00        2.20    
PRN10  7.0    81.5        21.0        65.2        5.00        2.18    
PRN13  7.0    81.8        832.        59.9        5.16        2.11    
PRN14  7.0    80.7        28.9        56.7        5.00        2.29    
PRN15  6.6    2.65        548.        63.8        5.15        1.93    
PRN16  7.0    81.3        58.8        63.1        5.00        2.38    
PRN17  6.8    83.7       -178.        64.0        5.00        2.12    
PRN18  7.0    79.8        13.6        61.0        5.15        2.20    
PRN19  7.0    81.7        390.        60.8        5.00        2.10    
PRN21  7.0    83.0        35.5        61.4        5.00        2.15    
PRN22  7.0    81.6        .785        58.4        5.15        2.35    
PRN23  7.0    81.7        12.5        61.3        5.15        2.18    
PRN24  6.6    81.3        836.        65.7        5.30        2.05    
PRN25  7.0    85.1       -6.47        57.4        5.00        2.08    
PRN26  7.0    82.3       -17.1        56.8        5.00        2.27    
PRN27  7.0    83.7        25.2        63.0        5.00        2.14    
PRN29  7.0    80.7        424.        53.8        5.16        2.31    
PRN30  7.0    78.1       -35.2        59.9        5.16        2.24    
PRN31  7.0    80.9        3.23        59.2        5.00        2.21    
_______________________
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  4 19   98  4 20   98  4 21   98  4 22   98  4 23   98  4 24   98  4 25
prn   3d rss (cm)
  1     429        359        294        342        334        387        491   
  2     520        322        232        314        505        316        428   
  3     337        276        414        386        476        374        175   
  4     807        672        564        314        496        455        278   
  5     344        262        596        329        162        306        356   
  6     389        466        599        506        594        507        464   
  7     460        498        450        429        401        262        253   
  8     366        464        496        340        375        321        326   
  9     273        330        263        266        240        334        557   
 10     234        493        299        332        258        348        426   
 13     546        748        308        717        649        411        309   
 14     701        730        450       1012        810        463        419   
 15     580        329        334        419        479        625        344   
 16     876        284        274        446        315        748        324   
 17     602        472        327        274        284        274        349   
 18     602        460        331        268        280        504        478   
 19     260        225        310        325        568        233        395   
 21     282        305        194        405        474        186        432   
 22     540        559        592        469        370        580        318   
 23     519        563        400        416        303        376        450   
 24     363        341       2093        910        351        282        347   
 25     368        364        501        490        317        301        356   
 26     195        262        422        655        289        326        155   
 27    1041        838        668        591        596        534        633   
 29     543        401        324        332        319        244        378   
 30     284        313        370        326        282        266        344   
 31     244        246        302        371        216        221        355   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo asc1 auck bahr bogt cas1 chat coco cro1 dav1 dgar drao eisl fair fort gala gol2 guam hark hrao irkt kely kerg kit3 kokb kstu kwj1 lhas mac1 mad2 mag0 mali mate mcm4 mdvo mkea noum nrc1 ntus nya1 nyal ohig onsa petr pol2 rcm6 reyk sant sfer tid2 tskb usud wtzr wuhn xian yaka yakz yar1 yell zeck

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