Subject: [IGSREPORT-4916] Wk 0957 JPL Analysis Report
From: D C Jefferson
Date: Tue, 26 May 1998 16:52:47 PDT

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IGS Electronic Report    Tue May 26 16:52:47 PDT 1998      Message Number 4916
******************************************************************************

Author: D C Jefferson
Subject: Wk 0957 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0957 (DAYS 130-136, DATES 1998 May 10 - May 16)
******************************************************************************

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/0957.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09577.sum         This text file.
jpl09577.erp         Earth rotation parameters for GPS week 957.
jpl09577.snx         Ground station coordinates for GPS week 957, SINEX format.
jpl0957[0-6].sp3     GPS ephemerides for GPS week 957, sp3 format.
jpl0957[0-6].tro     Ground station troposphere estimates for GPS week 957.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 8.0 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 135.
WARNING: FORT (not USNO) used as reference clock day 136.
WARNING: Data from KSTU, LHAS, NYAL excluded day 130.
WARNING: Data from KOSG, LHAS excluded day 131.
WARNING: Data from LHAS excluded day 132.
WARNING: Data from CASA excluded day 133.
WARNING: Data from CASA, KSTU, NYAL excluded day 134.
WARNING: Data from BILL, BOR1, CASA, KSTU, SUTH excluded day 135.
WARNING: Data from BOR1, NYAL excluded day 136.

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 957 (1998 May 10 - May 16)
     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
50943.50 -11336  34828   -46755  1809    2    2     8      8 37 19 27   80  182 
50944.50 -11282  35044   -48580  1840    2    2     8      8 37 22 27   72  250 
50945.50 -11248  35249   -50397  1795    3    3     9      9 37 19 27  123  211 
50946.50 -11197  35477   -52177  1765    2    2     8      8 37 23 27   97  249 
50947.50 -11153  35675   -53938  1757    2    2     8      8 37 22 27   58  215 
50948.50 -11092  35872   -55700  1767    2    2     8      8 37 20 27   57  196 
50949.50 -11048  36056   -57500  1832    2    2     8      8 37 21 27   22  165 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 957:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 957 (1998 May 10 - May 16)
      98  5 10   98  5 11   98  5 12   98  5 13   98  5 14   98  5 15   98  5 16
prn   3d rss (cm)
  1       9         13          7          4          8          8          9   
  2       5          6         10          9         15         10          4   
  3      14          6          9          6          5          6          8   
  4      22          9         12          9          6          7          6   
  5       4         15          9          6          4          7          6   
  6      10         14         12          9         12         18         21   
  7       8         10          7          7          7          5          7   
  8       6         12          9          3          5          6          6   
  9       2         15         14          4          6          4          8   
 10       4          7          7         10          7          8          5   
 13       8         12          8          8          9          9          5   
 14       7         16         17         12         12          6          8   
 15      11          8          6         11         10          8          6   
 16      20          9          6          4          5          4          5   
 17       9          6         10          6          8          6          7   
 18       8          8          6          8          4          7          5   
 19       9         14          8         11         16          9          5   
 21       5          8         13          7          4          4          5   
 22       4          6          9         11         12          8          6   
 23      14          9         15         12         18          9         18   
 24       9          9          7          9          9         11         10   
 25       4          6          7          5         23         10          6   
 26       6          6         14         10          6          4         10   
 27       5          7          8          6         10          6          6   
 29       6          7          5          6         14          6          7   
 30       8         13         14         12          6         12          5   
 31       9          9          8          5          6          9          5   
_______________________
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 957 (1998 May 10 - May 16)
 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    .165        .599        67.5        4.49        2.56    
ASC1   6.9    223.       -.163        79.0        5.74        1.47    
AUCK   6.0    80.8       -.144        42.0        4.69        2.73    
BAHR   6.0    .471        130.        42.2        5.18        3.49    
BARB   2.6    92.8       -.234        31.3        6.68        3.20    
CAS1   6.7    .825e+07   -.137e+05    38.4        6.00        1.18    
CASA   1.0    39.2        135.        46.0        6.00        2.68    
COCO   4.4    90.4       -.212e+05    48.6        7.15        2.69    
CRO1   4.0    479.       -.140        65.9        4.54        1.82    
DAV1*  5.7    130.       -.124          .         4.66        1.50    
DGAR   6.6    525.       -.144        63.5        6.45        1.60    
EISL   7.0    128.       -.156        58.5        5.45        3.01    
FAIR*  7.0    .525       -.135        77.7        4.45        2.13    
FORT*  7.0    .152e+05   -59.4        79.9        5.72        1.62    
GALA   2.7    148.       -.121        77.6        5.30        1.68    
GOL2*  6.9    241.        .407        61.7        4.31        1.95    
GUAM*  7.0    660.       -.150        63.3        6.59        2.29    
HARK*  1.9    10.1       -4.57        51.5        4.00        2.56    
HRAO   7.0    330.       -2.74        34.5        3.87        2.74    
IISC   2.0    99.0        .356e-01    73.0        5.53        2.48    
IRKT*  2.7    .283        .387e-01    65.4        5.00        2.61    
KELY   2.0    109.       -.239          .         5.00        1.40    
KERG*   .9    .654e+04    .140e+04      .         5.00        2.32    
KIT3*  4.8    125.       -.113        74.3        4.89        2.24    
KOKB*  6.6    .200        .102        80.5        5.61        2.61    
KWJ1*  7.0    127.       -.152        76.0        6.00        1.86    
LHAS*  1.6    133.       -.235          .         4.00        2.28    
MAC1*  6.6    92.1       -.149        37.5        4.15        2.27    
MAD2*  7.0    219.        .683        54.9        6.59        2.22    
MAG0   3.0    .289e+06    484.        31.3        5.48        2.38    
MALI*  6.9    .415e+05   -67.3        85.3        6.73        1.91    
MATE*  1.0    .894e-01   -.951        47.0        4.00        3.24    
MCM4   2.0    85.0       -.143        36.5        4.52        1.03    
MDVO    .9    .956        238.        67.0        7.00        1.81    
MKEA   6.0    .128       -.108        61.2        4.53        2.73    
NRC1   1.1    .           .           77.0        4.00        2.78    
NSSP    .9    92.3       -.219        65.0        5.00        2.70    
NTUS   1.9    213.       -.248        96.5        5.00        1.60    
NYA1   5.3    63.3       -.504        42.2        4.70        1.86    
OHIG*  5.8    .235e+04    .113        59.6        5.00        1.83    
ONSA*  5.9    .310e+04   -1.12        44.2        4.00        2.10    
REYK   1.0    74.1       -.644e-01    57.0        6.00        2.01    
SANT*  6.5    692.        .943e-01    44.6        5.16        1.71    
SELE   1.9    102.       -.212        45.0        4.00        2.89    
THU1*  1.0    68.5       -.591e-01    46.0        6.00        1.91    
TID2*  7.0    .186        6.44        37.9        5.00        2.47    
TSKB*  7.0    1.59       -2.29        52.7        4.77        3.08    
USNO   5.4    .           .           55.2        5.00        2.74    
USUD   7.0    1.06        1.45        47.0        5.06        2.66    
WES2    .9    1.13       -.103        76.0        4.00        2.26    
WTZR*  7.0    .171        1.70        62.9        5.00        2.94    
WUHN   3.9    7.59       -165.        55.0        5.52        2.36    
YAKA   1.0    106.       -.256        66.0        5.00        2.21    
YAKZ   2.8    .288e+06    455.        49.9        5.00        2.53    
YAR1*  7.0    81.9       -.151        37.5        4.63        2.25    
YELL*  6.9    8.27       -.156        50.9        4.73        1.62    
ZECK    .9    69.1       -.762e-01    50.0        5.00        2.51    
PRN01  7.0    81.6        47.1        55.3        5.00        2.03    
PRN02  6.6    83.2       -486.        60.3        5.00        2.16    
PRN03  7.0    82.1        8.78        56.5        5.16        2.37    
PRN04  6.7    79.3        26.3        57.7        5.00        1.84    
PRN05  6.8    80.1        148.        61.4        5.00        2.09    
PRN06  7.0    80.1       -.460        61.5        5.45        2.09    
PRN07  7.0    83.6        777.        59.2        5.15        2.09    
PRN08  7.0    83.5        612.        56.2        5.00        2.10    
PRN09  7.0    79.1       -41.2        56.5        5.00        2.22    
PRN10  7.0    80.7        21.6        64.1        5.16        1.95    
PRN13  7.0    80.0        815.        58.8        5.15        2.18    
PRN14  7.0    82.1        29.7        53.3        5.00        2.34    
PRN15  6.7    4.15        555.        58.3        5.16        2.22    
PRN16  7.0    82.5        61.5        56.7        5.00        2.23    
PRN17  6.8    84.6       -180.        60.6        5.16        2.09    
PRN18  7.0    81.7        13.9        55.8        5.16        2.18    
PRN19  7.0    80.1        389.        58.7        5.00        2.12    
PRN21  7.0    82.9        38.8        60.3        5.00        2.19    
PRN22  6.8    82.5        1.40        58.2        5.31        2.13    
PRN23  6.9    80.8        13.0        63.1        5.61        1.98    
PRN24  6.7    80.4        839.        59.4        5.16        2.01    
PRN25  7.0    80.3       -6.69        53.0        5.00        2.19    
PRN26  7.0    80.1        53.2        58.2        5.00        2.09    
PRN27  7.0    83.8        27.3        60.8        5.00        2.21    
PRN29  7.0    79.7        468.        52.2        5.16        2.26    
PRN30  6.8    82.3       -38.5        57.2        5.52        2.05    
PRN31  7.0    80.3        3.53        57.7        5.31        2.23    
_______________________
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  5 10   98  5 11   98  5 12   98  5 13   98  5 14   98  5 15   98  5 16
prn   3d rss (cm)
  1     318        346        268        304        282        320        185   
  2     263        254        388        422        276        348        778   
  3     230        285        159        345        325        259        212   
  4     709        360        727        376        673        474        712   
  5     349        277        289        463        504        478        348   
  6     432        440        580        511        472        553        537   
  7     321        304        586        364        444        257       1106   
  8     321        225        224        239        250        259        386   
  9     225        341        324        299        376        173        240   
 10     190        419        384        276        271        432        316   
 13     209        246        290        295        242        240        203   
 14     382        483        708       1585        420        412        489   
 15     366        490        419        450        221        346        216   
 16     289        608        627        196        258        346        302   
 17     312        488        503        292        399        558        438   
 18     281        313        358        500        485        526        295   
 19     247        208        368        589        264        255        429   
 21     247        294        284        311        336        273        199   
 22     463        902        947        560        655        436        715   
 23     376        479        497        240        220        574        510   
 24     391        366        395        409        288        374        476   
 25     359        495        542        296        333        489        641   
 26     157        290        207        142        160        523        215   
 27     378        372        334        409        401        348        331   
 29     264        144        171        138        139        162        191   
 30     210        200        473        583        392        264        295   
 31     231        314        192        263        274        272        270   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo asc1 auck bahr barb cas1 casa coco cro1 dav1 dgar eisl fair fort gala gol2 guam hark hrao iisc irkt kely kerg kit3 kokb kwj1 lhas mac1 mad2 mag0 mali mate mcm4 mdvo mkea nrc1 nssp ntus nya1 ohig onsa reyk sant sele thu1 tid2 tskb usno usud wes2 wtzr wuhn yaka yakz yar1 yell zeck

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