[IGSREPORT-3013] Wk 0871 JPL Analysis Report

D D
Fri Sep 27 16:07:44 PDT 1996


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IGS Electronic Report    Fri Sep 27 16:07:44 PDT 1996      Message Number 3013
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Author: D C Jefferson
Subject: Wk 0871 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0871 (DAYS 259-265, DATES 1996 Sep 15 - Sep 21)
******************************************************************************

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/0871.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08717.sum         This text file.
jpl08717.erp         Earth rotation parameters for GPS week 871.
jpl08717.snx         Ground station coordinates for GPS week 871, SINEX format.
jpl0871[0-6].sp3     GPS ephemerides for GPS week 871, sp3 format.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 13.0 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 PRN10, PRN20 excluded for the entire GPS week 871.
WARNING: FAIR (not ALGO) used as reference clock day 259.
WARNING: PIE1 (not ALGO) used as reference clock day 261.
WARNING: NLIB (not ALGO) used as reference clock days 262 and 263.
WARNING: Data from DGAR, WLPS excluded day 259.
WARNING: Data from CHIL, DGAR, EISL, NYAL, OHIG excluded day 260.
WARNING: Data from DGAR, EISL, JPLM, KELY, MALI excluded day 261.
WARNING: Data from DGAR, EISL, KELY, NYAL, TROM excluded day 262.
WARNING: Data from DGAR, KIT3, SNI1, WINT excluded day 263.
WARNING: Data from DGAR, EISL, HBRK excluded day 264.
WARNING: Data from DGAR, EISL excluded day 265.

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 871 (1996 Sep 15 - Sep 21)
     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
50341.50  28718  28636    93184  1779    3    3     9      9 37 12 24 -173 -466 
50342.50  28593  28188    91412  1766    3    3    10     10 37 13 24 -131 -432 
50343.50  28463  27744    89661  1736    3    3     9      9 37 13 24 -131 -432 
50344.50  28374  27344    87919  1748    3    3     9      9 37 12 24  -72 -392 
50345.50  28310  26946    86194  1702    3    3    10     10 37 13 24  -93 -405 
50346.50  28270  26556    84453  1779    3    3    10     10 37 13 24  -63 -384 
50347.50  28203  26236    82686  1756    3    3    10     10 37 13 24  -72 -336 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 871:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 871 (1996 Sep 15 - Sep 21)
      96  9 15   96  9 16   96  9 17   96  9 18   96  9 19   96  9 20   96  9 21
prn   3d rss (m)
  1       0.16       0.11       0.11       0.20       0.14       0.17       0.06
  2       0.13       0.09       0.12       0.09       0.12       0.12       0.09
  3       0.20       0.24       0.18       0.22       0.26       0.26       0.38
  4       0.15       0.14       0.07       0.08       0.13       0.10       0.25
  5       0.10       0.12       0.16       0.15       0.06       0.09       0.13
  6       0.31       0.22       0.11       0.09       0.12       0.15       0.17
  7       0.09       0.08       0.08       0.11       0.12       0.08       0.12
  9       0.11       0.10       0.14       0.14       0.08       0.08       0.16
 14       0.22       0.16       0.15       0.07       0.07       0.10       0.11
 15       0.15       0.23       0.09       0.19       0.10       0.12       0.16
 16       0.16       0.15       0.21       0.12       0.15       0.21       0.26
 17       0.13       0.28       0.24       0.26       0.24       0.27       0.32
 18       0.14       0.10       0.16       0.12       0.14       0.11       0.10
 19       0.21       0.46       0.29       0.16       0.12       0.08       0.08
 21       0.12       0.12       0.11       0.15       0.14       0.08       0.13
 22       0.13       0.16       0.12       0.12       0.20       0.13       0.16
 23       0.14       0.12       0.19       0.12       0.26       0.25       0.17
 24       0.09       0.14       0.10       0.11       0.12       0.11       0.09
 25       0.19       0.13       0.12       0.12       0.12       0.10       0.08
 26       0.16       0.17       0.23       0.12       0.19       0.09       0.12
 27       0.13       0.18       0.10       0.14       0.08       0.08       0.11
 28       0.16       0.18       0.22       0.17       0.20       0.14       0.27
 29       0.12       0.16       0.17       0.13       0.10       0.16       0.10
 31       0.14       0.12       0.14       0.17       0.21       0.14       0.13
_______________________
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 871 (1996 Sep 15 - Sep 21)
 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)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALBH   1.0    9.46        .419        36.0        7.00        3.40    
ALGO*  6.8    418.        2.03        49.0        4.60        2.81    
ANKR   3.7    140.        1.69        53.9        4.24        2.46    
AREQ   5.2    103.        .821        41.0        4.66        2.27    
ASC1   5.9    90.5        1.12        70.7        5.35        1.86    
BAHR   5.1    .596e+05    556.        46.0        4.79        3.40    
BRAZ   3.8    118.        .832        56.8        5.51        2.33    
BRMU   2.0    112.       -.753e-01    40.5        7.00        2.90    
BRU1    .9    .315e+06    455.        86.0        12.0        2.19    
BRUS   6.0    .327        2.26        60.0        4.00        2.85    
CAS1   3.0    15.7        80.9        38.4        5.35        1.90    
CHAT   7.0    114.        .935        80.6        5.00        2.85    
CHUR   2.0    30.6        10.9        37.5        6.51        1.28    
COCO   6.9    .275e+06   -.190e+04    41.6        5.76        2.92    
CRO1   7.0    135.        .935        43.0        6.65        2.19    
DAV1   4.9    8.15        443.        31.6        5.22        1.36    
DRAO   1.0    .569        4.07        39.0        5.00        2.99    
EISL   1.9    .587e+07   -.151e+05    40.9        5.57        2.75    
ENG1   2.7    .288e+06    513.        99.3        12.1        1.48    
FAIR*  6.9    34.4        1.04        39.2        5.02        2.08    
FLIN   1.0    86.4       -.109        103.        5.00        2.23    
FORT   5.9    .142        1.10        46.7        5.52        2.96    
GODE   1.0    .114       -.623        42.0        5.00        2.98    
GOL2*  6.9    17.4        1.02        47.0        5.20        3.05    
GUAM   7.0    102.        .936        56.8        7.39        2.36    
HART*  7.0    714.        .970        44.0        4.63        2.78    
HBRK   1.0    .289e+06    515.        51.0        7.00        3.15    
IRKT   5.8    .230        1.11        57.4        4.54        2.78    
KELY   1.0    89.7        3.60        57.0        6.00        1.37    
KERG   6.0    132.       -19.2          .         5.18        2.53    
KIT3   2.8    186.       -.205e-02    55.6        4.73        3.08    
KOKB*  7.0    .111        3.09        80.7        6.15        2.82    
KOSG*  7.0    699.        4.00        40.2        3.74        2.49    
KWJ1   6.9    104.        .943        53.5        7.15        1.90    
MADR*  5.9    .766e-01    .714          .         5.32        2.37    
MALI   4.0    68.9       -9.13          .         8.03        2.57    
MCM4   1.9    84.1       -.166        35.0        4.53        1.82    
MDVO   5.8    .230e+05    862.        65.8        6.00        2.72    
NLIB   1.7    .           .           44.5        4.56        3.00    
NOTO   1.0    .206       -.539e-01    39.0        4.00        3.18    
OHIG   3.4    .280e+06   -4.79        53.1        4.53        1.33    
PAMA   6.9    346.        .944          .         9.15        2.21    
PIE1    .9    .           .           40.0        5.00        2.64    
POL2   2.0    93.7       -.251        43.5        4.00        3.07    
RCM5   3.0    162.        2.25        74.7        7.73        2.43    
REYK   6.0    85.4        .487        58.2        7.22        1.72    
SANT*  6.8    .122e+04    .954        40.9        5.15        2.06    
SHAO   3.8    100.        1.75        86.7        5.08        2.29    
STJO    .9    52.9       -.665e-01    35.0        5.00        2.41    
THU1   6.0    76.3        .491        45.0        5.18        2.73    
TID2*  7.0    .115        .859        43.2        5.45        3.30    
TROM*  4.9    7.12        49.4          .         5.20        1.39    
TSKB   3.0    1.87        2.01        48.7        5.00        2.87    
USUD   4.0    1.34        2.53        33.3        4.27        2.84    
WTZR*  7.0    16.6        .751        61.4        4.16        2.68    
WUHN   1.9    2.72       -2.57        45.0        6.09        3.22    
YAR1*  7.0    3.56        .497          .         4.73        2.44    
YELL*  7.0    .152       -.480        44.4        5.72        1.48    
PRN01  6.6    80.2        3.54        53.4        5.73        2.30    
PRN02  7.0    80.6       -290.        54.4        5.45        2.28    
PRN03  6.6    81.6        53.9        54.7        5.89        2.29    
PRN04  7.0    82.6        46.1        52.6        5.73        2.10    
PRN05  7.0    82.3        59.2        53.3        5.87        2.39    
PRN06  6.6    81.0        3.33        53.7        5.61        2.32    
PRN07  6.7    82.1        728.        54.6        5.59        2.05    
PRN09  7.0    83.1       -9.85        56.4        5.89        2.22    
PRN14  7.0    79.5        16.0        47.4        6.02        2.52    
PRN15  6.9    3.86        342.        57.8        5.87        2.31    
PRN16  7.0    81.3        27.4        52.3        5.45        2.41    
PRN17  7.0    81.1       -125.        55.6        5.74        2.26    
PRN18  6.7    83.2        12.6        52.4        5.86        2.33    
PRN19  7.0    79.8        98.3        53.0        5.89        2.41    
PRN21  7.0    79.2       -27.6        52.0        5.73        2.44    
PRN22  7.0    81.9        338.        50.5        6.00        2.26    
PRN23  7.0    81.1        4.84        57.8        5.89        2.27    
PRN24  7.0    82.9        297.        54.7        5.46        2.32    
PRN25  7.0    81.5       -2.23        52.9        5.74        2.43    
PRN26  6.6    79.9       -37.4        54.1        5.60        2.40    
PRN27  7.0    81.5        3.03        52.7        5.59        2.48    
PRN28  6.6    2.35        108.        66.3        5.14        2.39    
PRN29  6.7    80.9        1.69        48.6        6.30        2.64    
PRN31  6.7    80.1        28.8        58.1        5.87        2.20    
_______________________
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  9 15   96  9 16   96  9 17   96  9 18   96  9 19   96  9 20   96  9 21
prn   3d rss (m)
  1       8.1        9.1        8.6        8.9        8.4       10.9       11.6 
  2       3.3        2.5        3.4        4.2        6.4        8.0        6.1 
  3       6.3        6.6        7.3        7.1        6.6        6.3        6.8 
  4       3.5        3.7        4.2        4.8        4.1        4.3        4.4 
  5       3.0        3.9        3.0        3.8        2.9        4.8        3.2 
  6       8.0        8.0        7.7        8.0        8.1        7.5        9.6 
  7      10.0        9.9        7.9        9.4        9.8        8.7        8.5 
  9       3.3        3.5        4.0        4.0        3.7        3.5        3.7 
 14       4.0       11.7        9.4        5.2        3.6        3.1       10.3 
 15       2.9        3.5        3.5        2.5        3.5        3.0        3.7 
 16       9.4        2.3        2.7        4.5        3.1        4.3        5.9 
 17       2.5        3.4        4.8        2.6        2.7        3.4        2.8 
 18       7.8        4.4        8.1        7.3        5.4        5.0        2.5 
 19       3.7        4.3        5.8        3.7        3.6        5.2        4.5 
 21       4.6        4.2        4.8        5.1        4.5        4.2        4.1 
 22       3.2        3.1        2.9        3.2        3.1        3.7        4.2 
 23       6.5        8.8        8.6       15.2        4.6        4.3        3.4 
 24       5.3        5.6        5.9        5.1        5.2        5.2        4.5 
 25       4.8        4.9        6.9        5.3        3.8        4.5        4.4 
 26       5.8        5.7        6.6        5.5        6.2        4.5        5.2 
 27       6.3        6.4        7.5        6.3        7.5        7.9        7.2 
 28       6.8        8.3       11.1        9.3       11.4        8.3        7.1 
 29       5.0        4.5        3.9        5.7        6.9        7.3        5.2 
 31       6.3        5.4        6.0        5.5        4.4        3.6        4.9 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   albh algo ankr areq asc1 bahr braz brmu bru1 brus cas1 chat chur coco cro1 dav1 drao eisl eng1 fair flin fort gode gol2 guam hart hbrk irkt kely kerg kit3 kokb kosg kwj1 madr mali mcm4 mdvo nlib noto ohig pama pie1 pol2 rcm5 reyk sant shao stjo thu1 tid2 trom tskb usud wtzr wuhn yar1 yell


[Mailed From: djeff at cobra.jpl.nasa.gov]



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