Subject: [IGSREPORT-2813] Wk 0860 JPL Analysis Report
From: D C Jefferson
Date: Tue, 16 Jul 1996 16:02:43 PDT

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IGS Electronic Report    Tue Jul 16 16:02:43 PDT 1996      Message Number 2813
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Author: D C Jefferson
Subject: Wk 0860 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0860 (DAYS 182-188, DATES 1996 Jun 30 - Jul 06)
******************************************************************************

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/0860.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08607.sum         This text file.
jpl08607.erp         Earth rotation parameters for GPS week 860.
jpl08607.snx         Ground station coordinates for GPS week 860, SINEX format.
jpl0860[0-6].sp3     GPS ephemerides for GPS week 860, sp3 format.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 16.0 cm

Beginning this week, we constrain 12 of the IGS fiducial sites to their ITRF94
values, as given in IERS Technical Note 20.  We used WTZR instead of WETT and
accounted for the fact that TID2 and TIDB are two receivers at the same site.
The remaining site, GOL2, was a special case because the ITRF94 coordinates for
GOLD do not properly account for the Landers and Northridge earthquakes.  We
used the following position (m) and velocity (mm/yr) for GOL2 at epoch 1996.0:

GOL2 STA X         -.235361415123117E+07  +-   .529050478195959E-03
GOL2 STA Y         -.464138539805232E+07  +-   .663270315872765E-03
GOL2 STA Z          .367697645430456E+07  +-   .528434072057224E-03
GOL2 VEL X         -.156547581841215E+02  +-   .422752323085590E+00
GOL2 VEL Y          .722421300517548E+01  +-   .612404410416168E+00
GOL2 VEL Z         -.888025056037026E+01  +-   .482834187105716E+00

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 DAM2, EISL, LPGS, WSMN excluded day 182.
WARNING: Data from ASC1, COSO, DAM2, LPGS, MATE, NYAL excluded day 183.
WARNING: Data from COSO, LPGS, MATE excluded day 184.
WARNING: Data from COSO, DGAR, KELY, LPGS, MATE, NYAL, USC1 excluded day 185.
WARNING: Data from COSO, DGAR, GOLD, LPGS, MATE excluded day 186.
WARNING: Data from CHIL, COSO, DGAR, KELY, LBCH, LPGS, MATE excluded day 187.
WARNING: Data from DGAR, FAIR, GOLD, LMNO, LPGS, MATE excluded day 188.

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 860 (1996 Jun 30 - Jul 06)
     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
50264.50  17781  54902   190476  1241    3    4     8      8 37 12 24  411 -204 
50265.50  18108  54663   189246  1219    3    4     8      8 37 11 24  382 -141 
50266.50  18446  54346   188094  1085    3    4     8      8 37 11 24  336 -244 
50267.50  18735  54078   186985  1134    3    4     8      8 37 12 25  353 -219 
50268.50  19051  53792   185846  1144    3    4     8      8 37 12 25  403 -262 
50269.50  19411  53493   184722  1104    3    4     8      8 37 12 25  400 -234 
50270.50  19817  53255   183634  1072    3    4     8      8 37 11 25  409 -197 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 860:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 860 (1996 Jun 30 - Jul 06)
      96  6 30   96  7  1   96  7  2   96  7  3   96  7  4   96  7  5   96  7  6
prn   3d rss (m)
  1       0.35       0.33       0.21       0.33       0.33       0.13       0.11
  2       0.21       0.13       0.15       0.11       0.12       0.10       0.08
  3       0.29       0.22       0.19       0.20       0.13       0.24       0.25
  4       0.21       0.15       0.44       0.09       0.18       0.16       0.09
  5       0.28       0.28       0.17       0.16       0.17       0.15       0.14
  6       0.13       0.19       0.18       0.21       0.20       0.12       0.12
  7       0.37       0.21       0.17       0.21       0.16       0.15       0.20
  9       0.20       0.16       0.14       0.11       0.13       0.14       0.09
 14       0.29       0.55       0.66       0.23       0.23       0.20       0.31
 15       0.18       0.20       0.28       0.15       0.14       0.10       0.12
 16       0.25       0.20       0.17       0.09       0.10       0.08       0.06
 17       0.25       0.21       0.15       0.07       0.17       0.24       0.13
 18       0.13       0.33       0.47       0.11       0.08       0.11       0.08
 19       0.13       0.25       0.17       0.10       0.09       0.14       0.08
 21       0.23       0.16       0.12       0.11       0.17       0.13       0.12
 22       0.23       0.37       0.55       0.11       0.14       0.19       0.15
 23       0.19       0.17       0.13       0.11       0.18       0.19       0.11
 24       0.24       0.20       0.10       0.19       0.10       0.11       0.05
 25       0.26       0.33       0.60       0.14       0.13       0.15       0.14
 26       0.17       0.20       0.12       0.12       0.08       0.10       0.07
 27       0.09       0.12       0.14       0.08       0.10       0.11       0.08
 28       0.22       0.17       0.16       0.12       0.17       0.25       0.14
 29       0.26       1.12       1.77       0.27       0.26       0.24       0.21
 31       0.24       0.14       0.14       0.15       0.11       0.15       0.15
_______________________
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 860 (1996 Jun 30 - Jul 06)
 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*  6.7    .           .           48.6        5.18        3.15    
AREQ   7.0    89.9       -.961        38.6        5.15        2.44    
ASC1   3.9    .398e+05   -3.33        72.3        6.42        1.63    
BOGT   7.0    113.       -.953        48.5        6.30        2.01    
BRMU   4.0    102.       -.967        43.0        8.09        2.51    
CHAT   7.0    105.       -.966        81.7        5.62        2.69    
CRO1   5.0    161.       -.952        43.2        5.04        2.05    
DGAR   1.5    .396e+06    47.5          .         5.41        .823    
EISL   5.9    .734e+07   -.155e+05    36.2        5.71        2.84    
FAIR*  6.0    29.1       -.942        44.2        5.03        2.39    
FORT   7.0    .128       -1.62        50.7        5.87        3.29    
GOL2*  7.0    .125       -.781        48.9        5.18        3.06    
GUAM   7.0    96.6       -.974        67.8        8.34        2.65    
HART*  7.0    13.5       -10.9        44.2        4.46        2.72    
HKLO   7.0    .289e+06    501.        45.0        6.47        2.65    
IRKT   7.0    .520       -.923        63.3        5.45        3.10    
JPLM   5.0    .253e+05    132.        35.8        5.02        2.62    
KERG   7.0    154.       -9.23          .         5.18        2.56    
KIRU   5.0    236.       -3.91        53.3        6.22        2.35    
KIT3   7.0    217.       -.986        60.3        5.18        3.11    
KOKB*  7.0    .116       -51.0        76.1        5.45        2.94    
KOSG*  7.0    612.        7.97        44.0        4.31        2.45    
KWJ1   7.0    93.6       -.968        47.8        7.32        1.92    
MADR*  6.6    .227       -.656          .         5.23        2.42    
MALI   4.0    67.3       -8.13          .         8.26        2.60    
MAS1   7.0    29.1       -5.01        45.6        4.49        2.83    
MCM4   7.0    92.9       -.964        34.1        5.19        2.07    
MDVO   1.9    .422        816.        68.5        6.53        2.59    
NOTO   7.0    .174       -1.61        37.3        4.60        3.17    
PAMA   7.0    .129e+04   -1.00          .         9.73        2.20    
PERT   7.0    2.18       -.984        53.7        5.41        2.57    
RCM5   7.0    101.       -.967        52.6        8.60        2.61    
REYK   5.9    90.9       -.950        58.7        6.37        1.92    
STJO   7.0    3.15        3.07        38.3        6.18        2.76    
THU1   7.0    77.6       -.969        49.3        5.76        2.69    
TID2*  7.0    .997e-01   -.463        40.2        5.81        3.16    
TROM*  4.8    4.34        190.          .         4.61        2.02    
USUD   7.0    53.3       -.814        34.0        6.05        3.02    
WTZR*  7.0    159.       -.310        64.0        5.21        2.77    
YAR1*  7.0    42.6       -1.41          .         5.10        2.62    
YELL*  7.0    .231       -1.27        50.9        5.15        1.95    
PRN01  7.0    81.5        137.        50.9        6.00        2.59    
PRN02  6.7    83.7       -271.        52.9        5.74        2.41    
PRN03  7.0    82.4        27.1        50.6        5.87        2.68    
PRN04  7.0    80.6        32.1        48.6        5.73        2.50    
PRN05  6.6    81.1        45.5        51.1        6.15        2.05    
PRN06  7.0    84.7        .488        50.7        6.45        2.64    
PRN07  7.0    81.4        722.        52.3        5.86        2.36    
PRN09  7.0    81.3       -2.86        50.4        5.73        2.37    
PRN14  7.0    110.        12.7        50.9        6.30        2.62    
PRN15  7.0    3.30        315.        58.2        6.15        2.53    
PRN16  7.0    80.6        16.4        51.4        6.00        2.47    
PRN17  7.0    78.7       -120.        50.3        6.17        2.73    
PRN18  7.0    80.6        4.88        52.1        5.87        2.32    
PRN19  7.0    80.6        466.        49.3        5.87        2.67    
PRN21  7.0    82.3       -25.6        50.6        6.00        2.40    
PRN22  6.8    83.7        319.        46.6        5.73        2.50    
PRN23  7.0    80.6        .591e-01    51.6        6.15        2.52    
PRN24  6.9    80.7        80.0        50.9        6.15        2.37    
PRN25  7.0    82.9       -3.30        46.9        6.15        2.48    
PRN26  7.0    79.8       -222.        49.7        5.73        2.84    
PRN27  7.0    81.9        33.1        51.0        6.00        2.64    
PRN28  7.0    2.08        90.8        60.2        5.00        2.64    
PRN29  7.0    80.4        10.8        49.1        7.19        2.53    
PRN31  7.0    81.9        577.        52.6        6.00        2.60    
_______________________
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  6 30   96  7  1   96  7  2   96  7  3   96  7  4   96  7  5   96  7  6
prn   3d rss (m)
  1       4.4        4.4        4.1        4.5        3.9        4.7        5.1 
  2       2.8        3.1        5.4        5.0        3.5        4.1        4.1 
  3       3.2        3.6        3.9        5.3        4.8        3.8        4.6 
  4       5.8        6.4        6.1        7.3        5.7        5.1        4.9 
  5       9.3        7.6        6.3        6.6        7.5        7.0        6.5 
  6       6.1        5.3        8.4        6.4        6.2        5.7        5.8 
  7       4.3        4.8        4.6        4.1        5.0        4.5        4.0 
  9       3.3        3.2        3.3        4.3        3.1        3.3        3.6 
 14       5.9        6.1        5.6        6.0       26.5       18.4       13.0 
 15       4.3        3.6        3.5        4.0        4.1        3.6        4.5 
 16       6.0        5.9        6.0        6.3        8.7        8.5        8.6 
 17       4.5        4.4        4.9        4.2        4.7        4.4        4.4 
 18       2.7        3.1        2.7        2.7        3.1        3.9        4.3 
 19       3.4        4.0        2.1        1.8        1.5        2.7        4.7 
 21       3.6        3.0        3.7        4.1        4.0        5.0        6.8 
 22       6.3        7.7        8.7        5.3        5.4        5.3        7.5 
 23      13.3       10.5       10.0        8.5        6.7        4.9        3.2 
 24       4.6        4.6        4.9        4.9        6.0        5.4        4.7 
 25       5.0        4.1        4.1        5.1        5.3        5.5        4.3 
 26       2.4        2.6        2.3        1.5        2.1        1.7        2.2 
 27       5.8        6.4        5.6        3.8        4.2        6.9        6.2 
 28       2.9        2.7        2.6        2.6        2.4        3.6        6.5 
 29       3.9        3.0       24.2       39.1       20.5        5.4        3.7 
 31       2.9        3.4        3.0        3.0        3.0        3.9        2.9 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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