Subject: [IGSREPORT-4800] Wk 0951 JPL Analysis Report
From: M B Heflin
Date: Wed, 15 Apr 1998 16:24:07 PDT

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IGS Electronic Report    Wed Apr 15 16:24:07 PDT 1998      Message Number 4800
******************************************************************************

Author: M B Heflin
Subject: Wk 0951 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0951 (DAYS 88-94, DATES 1998 Mar 29 - Apr 04)
******************************************************************************

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/0951.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl09517.sum         This text file.
jpl09517.erp         Earth rotation parameters for GPS week 951.
jpl09517.snx         Ground station coordinates for GPS week 951, SINEX format.
jpl0951[0-6].sp3     GPS ephemerides for GPS week 951, sp3 format.
jpl0951[0-6].tro     Ground station troposphere estimates for GPS week 951.
______________________________________________________________________________

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: ALGO (not NRC1) used as reference clock on day 088.
WARNING: USNO (not NRC1) used as reference clock on days 089 through 091.
WARNING: TID2 (not NRC1) used as reference clock on day 092.
WARNING: Data from PRN08 were deweighted for the entire week 951.
WARNING: Data from PRN13 were deweighted day 088 only.
WARNING: Data from LPGS excluded day 088.
WARNING: Data from LPGS, MADR, SANT excluded day 089.
WARNING: Data from LPGS, MADR excluded day 090.
WARNING: Data from BILL, LPGS excluded day 091.
WARNING: Data from LPGS excluded day 092.
WARNING: Data from SCIP excluded day 094.

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 951 (1998 Mar 29 - Apr 04)
     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
50901.50 -10672  24626    36213  2022    3    3    11     11 37 23 27 -200  211 
50902.50 -10838  24855    34134  2136    2    3    10     10 37 23 27 -129  184 
50903.50 -10935  25075    32040  2051    2    3    10     10 37 24 27  -85  198 
50904.50 -10997  25332    29957  2115    2    3    10     10 37 23 27  -55  229 
50905.50 -11047  25567    27869  2062    2    3    11     11 37 24 27  -78  228 
50906.50 -11118  25817    25814  2047    3    3    11     11 37 22 27 -121  195 
50907.50 -11215  26042    23753  2075    2    3    11     11 37 21 27 -112  187 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 951:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 951 (1998 Mar 29 - Apr 04)
      98  3 29   98  3 30   98  3 31   98  4  1   98  4  2   98  4  3   98  4  4
prn   3d rss (cm)
  1       7          9         11          8         13          8         10   
  2      12          9          9         11         12         16         10   
  3      13         15          8          8          7          6          8   
  4      11          8          8          5          5          6          5   
  5      12         10          7         16         13         12          6   
  6      17          9          7          8         10         11         12   
  7      11          8          8          9         14          9         11   
  8     122        237        285        267        267        531       1016   
  9      12          6          5         11         15         18         13   
 10       6          4         10          9         11          6         11   
 13      53         68         12         11         20          7          9   
 14       6          8          8         11          7          6          6   
 15       8         10         10          7          6          9          9   
 16       7          4          7          9          8          4          9   
 17      12         12         10         10         10          7          6   
 18       6          6          4          6         10          7         12   
 19       4          9         14          9         10         14         28   
 21       6         10         24         15         17         15         10   
 22       7          5          9          7          7         10          8   
 23      21         11          6         11         11         10         11   
 24       9          8          5          8          8          9          6   
 25       8          8         10          7          7          4          5   
 26      22         12          7         18         39          5          7   
 27       8          6          5          5          8         11         12   
 29       8         10         11          8          8          6          7   
 30       9          6          6         10         11         10          6   
 31       9         14         11          6         13          9         14   
_______________________
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 951 (1998 Mar 29 - Apr 04)
 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    .139       -1.50        51.9        4.07        2.73    
AREQ*  3.9    108.       -1.69        68.6        4.52        1.88    
ASC1   5.7    .116e+04   -.816        68.0        4.74        1.59    
AUCK   6.0    86.2       -1.07        42.0        5.35        2.58    
BAHR   6.0    2.34        97.1        43.4        5.00        2.66    
BARB   1.6    104.       -.288        33.5        6.00        2.99    
BOGT   1.7    207.       -3.07        72.1        6.00        1.50    
CAS1   6.7    .730e+07   -.171e+05    37.6        5.86        1.05    
CASA   4.0    33.2        105.        39.8        6.00        2.81    
CICE   2.0    89.7       -.124        43.5        4.53        2.67    
COCO   1.0    194.       -.160e+05    52.0        7.00        3.00    
CRO1   3.0    166.       -.834e-01    58.7        4.36        2.13    
DAV1*  6.9    140.       -.925          .         4.87        1.54    
DGAR   5.0    .432e+04   -.323        70.6        5.67        1.65    
EISL   7.0    132.       -.958        65.6        5.16        2.58    
FAIR*  7.0    .276       -1.10        39.6        4.30        2.15    
FORT*  5.9    .240       -.211        84.5        6.67        1.74    
GALA   1.5    .295e+04   -.980e-01    77.4        6.00        1.52    
GOL2*  6.8    634.        .164e-02    84.5        4.15        1.64    
GUAM*  7.0    120.       -.970        64.3        6.74        2.13    
HARK*  5.8    11.6       -1.43        56.6        5.19        2.33    
HRAO   1.0    69.6       -.236        64.0        5.00        2.50    
IISC   5.8    780.       -1.07        78.8        5.37        1.99    
IRKT*  7.0    .335       -.551        56.6        4.46        2.45    
KELY   2.3    .218e+04   -.931          .         5.26        1.84    
KERG*  2.4    .166e+04    .286e+04      .         5.69        2.35    
KIT3*  3.6    111.       -1.43        77.1        4.56        2.06    
KOKB*  7.0    .177e+04   -12.3        81.5        5.47        2.58    
KOUR*   .9    4.41       -4.18        78.0        5.00        1.69    
KWJ1*  6.7    204.       -.992        80.5        6.16        1.79    
LHAS*  5.0    111.       -1.29        67.5        4.41        2.46    
MAC1*  6.8    88.7       -.972        44.8        4.30        2.16    
MAD2*  7.0    102.       -.711        55.0        5.45        2.17    
MAG0   1.6    .290e+06    480.        30.0        4.00        2.52    
MALI*  7.0    115.       -282.        94.0        7.18        1.82    
MATE*  1.0    .217       -.776        40.0        4.00        2.40    
MCM4   1.0    98.8       -6.50        45.0        5.00        1.26    
MEDI   1.0    .701e-01   -7.12        31.0        4.00        2.93    
MKEA   2.0    .199       -.723        61.7        4.00        2.66    
NOTO    .9    .212        3.96        48.0        4.00        2.78    
NRC1   3.2    .120e+05   -8.62        77.0        3.70        2.65    
NTUS   5.2    .401e+05    .434        87.8        6.32        1.56    
NYAL   5.7    .336       -1.25        70.2        5.00        1.74    
OHIG*  1.9    .200e+04   -.216        63.0        4.00        1.50    
ONSA*  5.8    49.7       -1.86        39.7        3.55        2.22    
PETR   1.9    89.6        .199        49.0        5.00        2.41    
POL2    .9    79.3        .942e-02    51.0        4.00        2.22    
SANT*  3.2    556.       -1.75        50.1        4.23        1.26    
TAHI   1.8    201.        .172        86.5        5.52        2.63    
TID2*  7.0    .176        6.51        38.4        5.16        2.17    
TSKB*  7.0    1.69       -2.75        52.2        4.16        2.92    
USNO   3.2    .           .           62.8        5.74        2.72    
USUD   5.0    .752        .299        54.5        4.66        2.69    
WTZR*  7.0    .149       -.623e-02    63.0        4.16        2.69    
WUHN   3.9    12.6       -985.        51.5        5.27        2.31    
YAR1*  6.9    106.       -.873        40.7        4.00        2.12    
YELL*  7.0    .172e+04    9.40        44.7        4.59        1.45    
ZECK    .9    74.3       -6.53        48.0        4.00        2.30    
PRN01  7.0    82.8        42.6        55.9        5.00        2.09    
PRN02  7.0    82.3       -472.        64.6        5.00        2.11    
PRN03  7.0    79.5        112.        58.4        5.00        2.19    
PRN04  6.8    81.8        18.7        60.9        5.15        2.04    
PRN05  7.0    81.8        142.        62.2        4.87        2.22    
PRN06  7.0    80.6       -1.25        60.4        5.00        2.24    
PRN07  7.0    81.1        773.        60.6        5.00        1.97    
PRN09  6.7    82.4       -36.6        60.7        5.16        1.82    
PRN10  7.0    83.0        19.3        61.8        5.00        2.26    
PRN13  6.0    80.9        846.        57.9        5.00        2.15    
PRN14  7.0    79.6        27.3        54.7        5.00        2.33    
PRN15  7.0    3.11        539.        62.5        5.00        2.00    
PRN16  7.0    80.4        54.9        59.8        5.00        2.33    
PRN17  7.0    80.9       -178.        65.1        5.00        2.23    
PRN18  7.0    80.9        11.7        60.4        5.00        2.20    
PRN19  6.6    80.8        388.        65.8        5.00        1.99    
PRN21  7.0    80.3        30.7        58.1        5.00        2.20    
PRN22  7.0    82.6       -.858        59.7        5.00        2.22    
PRN23  7.0    84.4        10.7        60.3        5.15        2.37    
PRN24  6.8    80.1        825.        63.6        5.00        2.05    
PRN25  6.8    81.6       -7.63        56.4        5.00        2.11    
PRN26  7.0    79.1       -106.        56.0        5.00        2.03    
PRN27  6.6    80.7        22.1        64.2        5.16        1.91    
PRN29  7.0    80.8        363.        54.0        5.00        2.32    
PRN30  7.0    81.1       -33.0        59.0        5.00        2.37    
PRN31  6.9    80.1        1.62        62.5        5.00        2.22    
_______________________
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  3 29   98  3 30   98  3 31   98  4  1   98  4  2   98  4  3   98  4  4
prn   3d rss (cm)
  1     223        308        384        346        401        296        415   
  2     294        256        212        326        230        478        186   
  3     394        311        409        441        378        425        472   
  4     682        294       1163        220        594        892        443   
  5     239        237        358        241        347        263        265   
  6     495        442        570        503        495        546        518   
  7     474        198        426        227        263        374        354   
  8     290        363        469        280        292        547       1533   
  9     464        315        287        541        312        649        330   
 10     361        246        475        580        456        307        450   
 13     358        296        607        330        261        293        360   
 14     471        303        830       1021        844        547       1106   
 15     269        266        209        158        185        240        350   
 16     493        386        400        766        237        694        507   
 17     375        256        594        406        315        334        404   
 18     276        284        303        403        379        355        375   
 19     270        413        276        452        449       2047        306   
 21     257        263        294        412        266        300        250   
 22     394        491        600        574        678        486        680   
 23     197        155        269        222        209        359        322   
 24     137        324        276        226        330        332        480   
 25     340        422        446        358        409        451        384   
 26     669        312        463        179        184        250        399   
 27     474        575        335        413        812        858        620   
 29     269        276        147        160        201        355        390   
 30     167        293        230        200        198        321        468   
 31     455        284        260        300        287        419        496   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo areq asc1 auck bahr barb bogt cas1 casa cice coco cro1 dav1 dgar eisl fair fort gala gol2 guam hark hrao iisc irkt kely kerg kit3 kokb kour kwj1 lhas mac1 mad2 mag0 mali mate mcm4 medi mkea noto nrc1 ntus nyal ohig onsa petr pol2 sant tahi tid2 tskb usno usud wtzr wuhn yar1 yell zeck

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