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[IGSREPORT-7390] Wk 1070 JPL Analysis Report



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IGS Electronic Report   24 Jul 15:21:25 PDT 2000      Message Number 7390
******************************************************************************

Author: D C Jefferson

******************************************************************************
JPL ANALYSIS REPORT   GPS-WEEK 1070 (DAYS 191-197, DATES 2000 Jul 09 - Jul 15)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

D C Jefferson, Y E Bar-Sever, M B Heflin, 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/1070.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl10707.sum         This text file.
jpl10707.erp         Earth rotation parameters for GPS week 1070.
jpl10707.snx         Ground station coordinates for GPS week 1070, SINEX format.
jpl1070[0-6].sp3     GPS ephemerides for GPS week 1070, sp3 format.
jpl1070[0-6].tro     Ground station troposphere estimates for GPS week 1070.
jpl1070[0-6].clk     GPS and ground station clocks for GPS week 1070, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 6.0 cm

STRATEGY CORRECTION
-------------------
In jpl10697.sum, we mention that our sp3 and SINEX products are rotationally
and translationally aligned with the terrestrial reference frame (IGS97).
Note that this is true for GPS week 1069 only; beginning this week (1070), we
revert to only applying a rotational alignment to IGS97.

GENERAL
-------
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: DRAO (not USNO) used as reference clock days 194 and 197.
WARNING: Data from PRN15 excluded day 196.
WARNING: Data from KELY, KUNM, MAC1, WTZT excluded day 191.
WARNING: Data from CAGL, GODE, KODK, MAC1 excluded day 192.
WARNING: Data from DGAR, KELY, MAC1, REYK excluded day 193.
WARNING: Data from DGAR, JAMA excluded day 194.
WARNING: Data from DGAR, JAMA excluded day 195.
WARNING: Data from BARH, DGAR, JAMA excluded day 196.
WARNING: Data from LBCH, QUIN, TRAB excluded day 197.

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 1070 (2000 Jul 09 - Jul 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
51734.50  105907  272596   1833868   3844  27  30   99   99 42  0 27 -1146 -1006
51735.50  105058  271770   1829832   4228  29  31   99   99 42  0 27 -1060  -835
51736.50  103976  271033   1825369   4698  28  30   99   99 42  0 27  -758 -1182
51737.50  103315  269963   1820655   4730  26  28   98   98 42  0 27  -716 -1265
51738.50  102530  268800   1816003   4574  27  28  100  100 42  0 27  -806 -1198
51739.50  101790  267715   1811636   4159  29  32   99   99 42  0 26  -845  -881
51740.50  100684  266579   1808016   3082  29  32  105  105 42  0 27 -1280 -1119
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1070:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1070 (2000 Jul 09 - Jul 15)
      00  7  9   00  7 10   00  7 11   00  7 12   00  7 13   00  7 14   00  7 15
prn   3d rss (cm)
  1       5          7          4          4          4         10          5   
  2       6          5          5          3          4          7          5   
  3      22         19         14          4          7         13         16   
  4       5          5          4          3          6          5          7   
  5       8          8          7          3          4          5          5   
  6       8          9          6          6          7          4          5   
  7       6          4          5          7          4          6          5   
  8       4          5          6          3          3          5          4   
  9       5          3          4          3          4          4          5   
 10       5          8          6          4          5         10          5   
 11      11          5         10         14          7          8         15   
 13       9          7          8         12         10         18          9   
 15       7         11         11          5          3                     6   
 16      12          3          6          5          2          6          5   
 17      18         12         11         11         10          9         13   
 19       6         11         10          7          7         12         13   
 20      10          8          9         15         21          7          9   
 21       8          5          7          7          7         10         10   
 22      21          7         10          7          5          8         16   
 23       9          9          8          6          8          8         12   
 24       5          6          5          7          7          6         10   
 25       6          4          7          5          4          6         13   
 26       4          6          5          4          5          6          5   
 27       4          4          5          4          3          4          3   
 29       8          4          6          6          5          6         11   
 30       6          5          7          4          4          4          5   
 31       8          6          6          9          5          8          7   
_______________________
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 1070 (2000 Jul 09 - Jul 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*  7.0    .211        .186        33.5        5.05        3.25    
AOML   1.0    26.0        .140e-02    62.0        7.00        2.63    
AREQ*  4.0    30.3        60.8        28.0        4.53        3.55    
ARTU   6.9    15.5       -.932e-01    38.2        5.73        2.55    
ASC1   6.5    27.8       -.768e-02    75.8        6.30        2.57    
AUCK*  3.0    17.2       -.759e-04    54.7        5.00        2.81    
BAHR*  7.0    .518        785.        33.2        4.90        3.60    
BARB   2.9    18.9       -.991e-01    27.0        7.70        3.49    
CHAT*  4.0    24.5       -.112e-02    85.5        5.00        2.88    
CIC1   5.0    47.9       -.806e-02    53.4        4.62        2.58    
COCO   6.8    548.       -.220e-01    31.7        6.35        2.85    
CRO1   2.0    .109       -.442e-01    52.4        4.00        2.61    
DAEJ   1.0    1.73        687.        66.0        6.00        2.45    
DAV1*  6.9    16.8       -.420e-02    50.9        4.00        1.15    
DGAR   2.5    36.8        .247e-02    31.6        6.12        2.74    
DRAO*  2.1    .           .           36.0        4.54        2.63    
EISL   6.8    32.0       -.707e-02    74.3        5.31        2.93    
ESTI   1.0    .290e+06    522.        82.0        9.00        1.59    
FAIR*  6.9    .176        .595        26.9        5.53        1.74    
FORT*  4.8    .989e+04    .148        95.0        5.64        1.87    
GALA   4.0    29.8       -.990e-01    29.0        4.76        4.28    
GUAM*  6.9    18.2       -.116        49.3        7.89        3.34    
HARK*  7.0    18.0        280.        64.0        4.87        2.82    
HOB2*  1.0    .121       -19.5        33.0        5.00        3.48    
HRAO   5.0    .446e+06    168.        79.8        4.00        3.29    
IISC   7.0    55.1       -.449e-01    86.9        5.00        2.35    
IRKT*  6.9    704.        1.03        72.9        5.46        2.59    
JAB1   6.9    17.7       -.101        58.0        5.00        3.05    
KELY   1.7    .230e+04    .102        66.8        6.00        1.36    
KERG*  6.9    .289e+06    502.        46.8        5.73        2.13    
KOKB*  7.0    .908e-01   -2.41        58.0        6.05        2.80    
KOUR*  2.0    21.5       -.965e-01    58.7        6.52        4.27    
KUNM   6.0    .229e+04   -.117        83.9        5.52        2.75    
LHAS*  1.0    12.7       -.140e-01    36.0        5.00        2.85    
MAC1*  3.6    13.1       -.948e-01    32.3        4.27        2.00    
MAG0   6.0    .134e+06   -15.1        46.0        4.69        2.43    
MALI*  7.0    .267e+06   -.151e+04      .         8.00        1.56    
MAS1*  3.8    2.76        .323        32.5        4.00        3.34    
MCM4*  3.9    33.9        66.1        53.0        5.25        .988    
MDO1*  1.9    23.2       -.391        58.7        5.83        2.47    
MKEA   2.0    27.4       -.100        28.5        6.00        3.34    
NKLG   7.0    .289e+06    504.        77.2        6.86        1.80    
NOUM   1.9    .288e+06   -1.11        58.5        6.49        2.80    
NYA1   1.7    .917e-01   -.411        30.5        4.00        1.56    
NYAL*  2.0    .103        .504e-01    54.5        4.00        1.70    
OBER   2.0    18.9        2.53        95.0        5.00        2.73    
ONSA*  7.0    8.91       -.578e-01    43.0        4.31        2.48    
PETP   1.0    14.2       -.777e-01    43.0        7.00        2.74    
PIMO   2.8    31.2       -.584e-02    80.3        6.24        1.72    
RIOG   5.0    15.2       -.718e-01    32.0        4.00        2.60    
SANT*  6.8    37.8        .198        32.0        5.00        2.43    
SELE   4.0    36.6       -.996e-02    66.1        4.53        2.86    
SFER   3.0    .728        92.9        90.0        4.69        2.48    
STJO   2.0    3.55        .663        29.5        4.53        3.55    
TEGU   2.0    .289e+06    487.        70.0        7.51        1.64    
THTI   7.0    .289e+06    500.        78.9        5.88        2.20    
THU1*  3.0    16.4       -.728e-02    52.0        6.00        2.08    
TIDB*  7.0    .158        522.        30.6        5.00        3.43    
TIXI   1.0    13.3       -.827e-01    43.0        5.00        1.76    
TSKB*  5.8    2.05       -1.00        73.4        4.37        2.68    
USNO   5.4    .           .           48.4        6.41        3.54    
USUD   5.0    .229       -2.46        36.3        5.29        2.17    
WTZR*  7.0    .228        1.35        54.1        4.87        3.05    
YAR1*  6.7    279.        .343        65.8        4.37        1.96    
YAR2   2.0    1.34        .948        35.0        4.54        3.53    
YELL*  5.7    .142        .160        43.8        4.72        1.55    
PRN01  6.8    3.77        136.        50.6        5.46        2.39    
PRN02  7.0    2.98       -241.        57.3        5.16        2.63    
PRN03  7.0    2.59        21.0        53.0        5.45        2.41    
PRN04  7.0    1.09        208.        58.2        5.45        2.43    
PRN05  7.0    3.86        257.        57.0        5.31        2.51    
PRN06  7.0    8.02        1.20        57.0        5.31        2.42    
PRN07  7.0    1.94        181.        59.2        5.45        2.35    
PRN08  7.0    2.92        264.        53.8        5.00        2.49    
PRN09  7.0    2.18       -53.0        53.9        5.31        2.46    
PRN10  7.0    2.92        53.5        63.2        5.15        2.24    
PRN11  7.0    .454        469.        57.2        5.61        2.30    
PRN13  7.0    .690       -804.        61.0        6.00        2.20    
PRN15  5.9    3.13        835.        57.0        5.57        2.37    
PRN16  7.0    3.11       -10.6        56.1        5.60        2.29    
PRN17  7.0    4.79       -264.        57.2        5.16        2.34    
PRN19  7.0    5.61        231.        53.1        5.00        2.34    
PRN20  7.0    .485       -88.0        54.9        5.88        2.58    
PRN21  7.0    3.17        12.5        52.2        5.16        2.49    
PRN22  7.0    .872        92.3        56.5        5.15        2.41    
PRN23  7.0    5.88        12.6        56.0        5.88        2.56    
PRN24  7.0    .725        761.        55.5        5.60        2.59    
PRN25  7.0    2.44        6.80        55.6        5.46        2.53    
PRN26  6.7    .783        505.        55.4        5.74        2.11    
PRN27  7.0    4.96        25.1        53.2        5.00        2.56    
PRN29  6.8    .874        684.        54.1        5.74        2.44    
PRN30  7.0    1.34       -28.8        56.2        5.31        2.47    
PRN31  7.0    3.00        4.12        53.5        5.60        2.28    
_______________________
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
      00  7  9   00  7 10   00  7 11   00  7 12   00  7 13   00  7 14   00  7 15
prn   3d rss (cm)
  1     579        775        618        853        603       1050        849   
  2     379        157        177        188        206        311        186   
  3     283        292        477        307        256        319        236   
  4     487        334        480        431        628        549        350   
  5     290        513        316        201        223        320        295   
  6     850        626        758        554        677        673        641   
  7     675        274        499        718        485        477        420   
  8     262        518        274        271        282        299        440   
  9     394        202        302        374        182        246        276   
 10     471        336        316        302        548        668        269   
 11     596        196        182        169        442        220        175   
 13     297        196        340        171        215        346        226   
 15     291        734        408        398        348                  1915   
 16     702        348        784       1256        352        475        604   
 17     448        345        354        554        646        406        340   
 19     299        402        262        295        247        230        908   
 20     269        245        263        413        419        321        397   
 21     330        406        425        403        261        256        304   
 22     320        238        260        250        327        329        287   
 23     793        586        476        458        530        538        749   
 24     643       1311        394        835        595       1282        755   
 25     366        446        287        334        319        345        512   
 26     659        353        412        273        254        305        306   
 27     568        330        369        287        272        329        458   
 29     226        375        243        242        431        434        376   
 30     329        335        163        442        157        170        312   
 31     857        340        400        201        471        542        164   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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