[IGSREPORT-3121] Wk 0876 JPL Analysis Report

D D
Mon Nov 4 15:27:56 PST 1996


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IGS Electronic Report    Mon Nov  4 15:27:56 PST 1996      Message Number 3121
******************************************************************************

Author: D C Jefferson
Subject: Wk 0876 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0876 (DAYS 294-300, DATES 1996 Oct 20 - Oct 26)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

J F Zumberge, D C Jefferson, M B Heflin, M M Watkins, F H Webb

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 (128.149.70.41),
directory pub/jpligsac/0876.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08767.sum         This text file.
jpl08767.erp         Earth rotation parameters for GPS week 876.
jpl08767.snx         Ground station coordinates for GPS week 876, SINEX format.
jpl0876[0-6].sp3     GPS ephemerides for GPS week 876, sp3 format.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 11.0 cm
                           (excluding deweighted satellites)

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: PIE1 (not ALGO) used as reference clock days 295-297.
WARNING: Data from PRN10, PRN30 deweighted for the entire GPS week 876.
WARNING: Data from CSN1, DGAR, LPGS excluded day 294.
WARNING: Data from DGAR, HKLO, KRAK, LPGS, NYAL, TROM excluded day 295.
WARNING: Data from DGAR, MEDI, NYAL, TAEJ excluded day 296.
WARNING: Data from DGAR excluded day 297.
WARNING: Data from BLYT, BOR1, DGAR, IISC, MEDI, ZWEN excluded day 298.
WARNING: Data from BOR1, CAGL, DAM2, DGAR excluded day 299.
WARNING: Data from BOR1, CAGL, DGAR, GUAM, IISC, KRAK, ZWEN excluded day 300.

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 876 (1996 Oct 20 - Oct 26)
     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
50376.50  22399  16819    25131  2100    3    4    10     10 37 11 26 -258 -288 
50377.50  22176  16560    23025  2112    3    4    10     10 37 11 26 -232 -264 
50378.50  21901  16300    20933  2072    3    4    10     10 37 12 26 -285 -307 
50379.50  21622  16036    18844  2105    4    4    10     10 37 11 26 -297 -270 
50380.50  21292  15768    16734  2116    4    4    10     10 37 11 26 -285 -340 
50381.50  20991  15432    14620  2111    4    4    10     10 37 10 26 -260 -348 
50382.50  20791  15119    12513  2103    4    5    10     10 37 11 26 -222 -344 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 876:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 876 (1996 Oct 20 - Oct 26)
      96 10 20   96 10 21   96 10 22   96 10 23   96 10 24   96 10 25   96 10 26
prn   3d rss (m)
  1       0.18       0.17       0.17       0.10       0.15       0.25       0.13
  2       0.09       0.10       0.11       0.08       0.20       0.20       0.18
  3       0.20       0.20       0.20       0.33       0.20       0.17       0.19
  4       0.07       0.10       0.09       0.11       0.07       0.12       0.15
  5       0.11       0.11       0.07       0.10       0.10       0.11       0.20
  6       0.08       0.08       0.09       0.13       0.09       0.07       0.13
  7       0.09       0.09       0.13       0.09       0.15       0.16       0.16
  9       0.12       0.06       0.08       0.14       0.09       0.11       0.14
 10       1.30       1.60       2.85       1.99       1.19       1.67       1.76
 14       0.21       0.08       0.10       0.14       0.17       0.10       0.07
 15       0.14       0.21       0.12       0.09       0.11       0.14       0.09
 16       0.09       0.18       0.10       0.07       0.11       0.13       0.18
 17       0.12       0.13       0.11       0.15       0.15       0.15       0.15
 18       0.06       0.09       0.11       0.09       0.07       0.09       0.11
 19       0.13       0.19       0.11       0.11       0.10       0.10       0.18
 21       0.09       0.12       0.16       0.18       0.10       0.12       0.09
 22       0.07       0.12       0.08       0.10       0.10       0.09       0.17
 23       0.14       0.10       0.12       0.21       0.14       0.15       0.19
 24       0.08       0.04       0.08       0.10       0.06       0.13       0.11
 25       0.10       0.10       0.10       0.11       0.12       0.10       0.16
 26       0.14       0.15       0.25       0.15       0.27       0.27       0.24
 27       0.11       0.22       0.16       0.12       0.11       0.17       0.18
 28       0.10       0.10       0.10       0.08       0.10       0.08       0.15
 29       0.06       0.06       0.10       0.10       0.06       0.08       0.12
 30       3.39       2.73       2.80       2.56       2.67       2.77       2.91
 31       0.22       0.10       0.09       0.11       0.12       0.15       0.10
_______________________
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 876 (1996 Oct 20 - Oct 26)
 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*  6.8    .431e+05   -1.17        49.7        4.16        2.70    
ANKR   2.8    106.       -.271        58.9        4.35        2.80    
AREQ   2.0    88.7       -.234        43.5        5.00        1.95    
ASC1   5.0    .103e+04   -.219e-01    87.6        5.21        1.39    
BAHR   5.8    .421        266.        46.3        5.00        3.15    
BOGT   2.0    136.       -.207        60.9        6.00        1.61    
BRAZ   1.0    204.       -.936e-01    65.0        6.00        1.96    
BRUS   5.8    .236        6.35        61.1        4.56        2.54    
CHAT   7.0    95.5       -.208        79.0        5.15        2.66    
CRO1   4.9    283.       -.204        42.8        6.09        1.96    
EISL   5.9    .616e+07   -.122e+05    41.2        5.86        2.77    
ENG1   2.9    .289e+06    500.        95.7        11.4        2.93    
FAIR*  6.3    .130       -1.06        37.0        4.46        1.96    
FLIN   7.0    77.6       -.200        45.4        4.76        2.09    
FORT   7.0    .158       -.175        50.4        6.30        2.40    
GOL2*  7.0    9.21       -.244        50.9        4.90        2.69    
GUAM   6.0    104.       -.215        61.3        8.07        2.40    
HART*  2.9    386.        2.43        46.0        5.33        2.56    
HKLO   2.0    .289e+06    505.        48.5        6.00        2.53    
HRAO   1.0    107.       -.115        54.0        5.00        2.18    
IISC   1.0    87.6       -.116        71.0        7.00        1.92    
IRKT   3.9    2.08       -.125        48.5        4.25        2.50    
KERG   5.9    129.       -17.0          .         5.18        2.27    
KIRU   5.0    2.95        .918e-01    52.1        6.41        1.95    
KIT3   4.9    121.       -.201        58.0        4.20        2.84    
KOKB*  7.0    .218        .649e-01    75.0        6.59        2.64    
KOSG*  7.0    77.9        1.29        42.9        3.74        2.24    
KOUR    .9    2.69        12.4          .         7.00        1.78    
KWJ1   7.0    88.7       -.208        60.2        8.27        1.67    
LHAS   4.8    .371e+05    1.37        66.2        5.06        2.18    
MADR*  6.7    14.0       -.209          .         4.87        2.06    
MALI   4.7    45.8       -88.3          .         7.61        1.95    
MAS1   4.8    221.       -40.9        47.5        3.65        2.54    
MCM4   7.0    93.3       -.201        46.0        5.00        1.60    
MDVO   1.0    .952e-01    111.        69.0        6.00        2.50    
MKEA   4.0    .656e-01   -.379        47.9        6.00        2.49    
MOIN   1.9    77.5       -.107        61.5        7.56        1.79    
NRC1   1.0    .135       -.334        54.0        4.00        2.92    
OHIG   4.9    .133e+05   -1.53        51.8        4.84        1.10    
PAMA   5.7    .253e+05   -1.86          .         9.67        1.94    
PERT   5.7    258.       -1.94        49.9        5.26        2.65    
PIE1   2.8    .           .           38.7        4.36        2.30    
POL2   1.9    80.3       -.199        49.1        3.51        2.55    
REYK   5.9    80.1       -.177        56.6        6.67        1.77    
SANT*  6.7    .218e+04   -5.09        45.4        4.73        1.93    
STJO   6.0    35.1       -.113        36.3        4.00        2.23    
THU1   7.0    74.8       -.205        46.9        5.15        2.33    
TID2*  7.0    .129       -.196        39.4        5.00        2.86    
TROM*  3.8    11.7        37.5          .         5.75        1.11    
USUD   7.0    3.15        .232        34.0        4.00        2.68    
WHIT   1.0    105.       -.359        32.0        5.00        1.50    
WTZR*  6.9    5.60        .199        60.3        4.16        2.67    
WUHN   2.0    4.49       -289.        46.0        4.53        2.60    
XIAN   1.0    119.       -.672e-01    44.0        4.00        2.32    
YELL*  6.9    .640       -1.89        53.2        4.29        1.39    
PRN01  7.0    81.7        5.17        54.5        5.61        2.24    
PRN02  7.0    79.8       -302.        55.6        5.60        2.24    
PRN03  7.0    79.9        63.9        54.5        5.60        2.25    
PRN04  7.0    80.1        50.5        54.1        6.00        2.18    
PRN05  7.0    80.2        64.0        51.4        5.46        2.34    
PRN06  7.0    79.6        2.70        50.3        5.59        2.53    
PRN07  7.0    82.2        730.        56.6        5.87        2.21    
PRN09  6.6    83.0       -14.9        58.0        5.16        2.06    
PRN14  7.0    81.9        15.4        49.3        5.61        2.46    
PRN15  7.0    2.55        353.        59.2        5.46        2.22    
PRN16  7.0    81.0        30.1        54.5        5.59        2.36    
PRN17  7.0    80.1       -129.        52.9        5.31        2.34    
PRN18  7.0    77.6        14.3        47.3        5.73        2.33    
PRN19  6.8    84.1        159.        52.8        5.86        2.29    
PRN21  7.0    82.6        3.49        55.6        5.16        2.23    
PRN22  7.0    81.5        346.        51.0        5.60        2.41    
PRN23  7.0    80.6        5.09        57.3        5.30        2.23    
PRN24  7.0    82.0        338.        57.2        6.02        2.21    
PRN25  6.6    82.2       -3.85        51.9        6.00        2.19    
PRN26  7.0    81.8       -57.3        54.6        5.60        2.45    
PRN27  6.8    80.9        5.63        51.0        5.87        2.42    
PRN28  7.0    2.27        113.        59.4        4.75        2.61    
PRN29  7.0    80.0        1.93        45.6        5.16        2.70    
PRN31  7.0    82.2        17.0        55.0        5.73        2.27    
_______________________
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
      96 10 20   96 10 21   96 10 22   96 10 23   96 10 24   96 10 25   96 10 26
prn   3d rss (m)
  1       6.3        5.3        4.5        4.5        4.5        3.9        4.0 
  2       4.5        3.8        3.9        3.4        2.3        2.8        2.9 
  3       4.2        4.1        3.9        3.9        4.4        4.0        3.5 
  4       6.6        7.1        6.3        5.4        4.7        5.1        5.2 
  5       3.2        3.4        4.0        3.5        3.1        3.2        3.7 
  6       5.8        5.8        5.5        5.7        5.5        4.8        4.8 
  7       4.2        4.4        4.5        4.5        5.1        4.8        4.6 
  9       7.1        4.7        5.3        5.3        4.7        5.0        5.5 
 10      11.1       10.3       10.3        8.2        8.5        8.4        9.7 
 14       3.0        2.5        2.7        3.5        3.1        3.2        3.6 
 15       4.4        3.8        4.0        3.9        4.6        4.8        4.3 
 16       2.6        2.6        2.7        3.1        2.6        3.4        5.0 
 17       2.7        3.4        3.5        3.7        2.9        3.3        3.9 
 18       2.9        3.0        2.6        2.8        6.7        5.5        2.5 
 19       5.0        6.6        7.7        5.5        6.3        9.2        8.8 
 21       2.8        2.8        4.6        2.0        2.3        2.4        2.6 
 22       6.7        7.0        5.5        5.8        6.4        6.1        7.1 
 23       5.3        3.8        2.6        2.3        3.9        2.9        3.2 
 24       4.8        5.2        5.2        5.3        5.6        5.6        5.6 
 25      13.2        8.2        7.6        8.7        7.5        6.6        6.6 
 26       3.4        2.9        3.2        3.2        2.6        2.8        2.6 
 27       9.8        9.9        8.3        8.7        4.5        4.8        3.8 
 28       8.0        6.2       11.8        7.4        5.3        4.1        5.4 
 29       3.9        3.5        2.9        2.9        2.5        3.3        3.3 
 30      10.4        6.6        8.7        8.8        7.7        7.6        7.8 
 31       2.7        2.0        2.0        2.5        3.2        2.8        2.1 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   algo ankr areq asc1 bahr bogt braz brus chat cro1 eisl eng1 fair flin fort gol2 guam hart hklo hrao iisc irkt kerg kiru kit3 kokb kosg kour kwj1 lhas madr mali mas1 mcm4 mdvo mkea moin nrc1 ohig pama pert pie1 pol2 reyk sant stjo thu1 tid2 trom usud whit wtzr wuhn xian yell


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