Subject: [IGSREPORT-2379] Wk 0837 JPL Analysis Report
From: D C Jefferson
Date: Fri, 2 Feb 1996 11:39:39 PST

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IGS Electronic Report    Fri Feb  2 11:39:39 PST 1996      Message Number 2379
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Author: D C Jefferson
Subject: Wk 0837 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0837 (DAYS 21-27, DATES 1996 Jan 21 - Jan 27)
******************************************************************************

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/0837.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl08377.sum         This text file.
jpl08377.erp         Earth rotation parameters for GPS week 837.
jpl08377.snx         Ground station coordinates for GPS week 837, SINEX format.
jpl0837[0-6].sp3     GPS ephemerides for GPS week 837, sp3 format.
______________________________________________________________________________

Mean Orbit Repeatability (see table below): 18.0 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 CHIL, MATE, OHIG, PERT, TROM, WETT excluded day 021.
WARNING: Data from ANKR, KRAK, LAMA, MATE, METS, OHIG, PAMA, PVEP, WETT                  excluded day 022.
WARNING: Data from ANKR, BOR1, KRAK, LAMA, MATE, OHIG, UPAD, WETT excluded               day 023.
WARNING: Data from ANKR, BOR1, KRAK, LAMA, MATE, MDVO excluded day 024.
WARNING: Data from ANKR, BOR1, LAMA, MATE, MDVO, TROM excluded day 025.
WARNING: Data from MATE, STJO excluded day 026.

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 837 (1996 Jan 21 - Jan 27)
     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
50103.50 -20797  25343   519134  1742    5    5    11     11 37 11 25 -133  346 
50104.50 -20934  25689   517381  1763    4    5    11     11 37 12 25 -144  324 
50105.50 -21074  26026   515663  1673    5    5    11     11 37 11 25 -140  316 
50106.50 -21215  26380   513962  1730    5    5    12     12 37 13 25  -96  359 
50107.50 -21294  26716   512242  1709    5    5    12     12 37 12 25  -77  358 
50108.50 -21388  27079   510540  1696    5    5    12     12 37 11 25  -89  324 
50109.50 -21482  27495   508806  1771    5    6    11     11 37 11 25 -100  379 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 837:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 837 (1996 Jan 21 - Jan 27)
      96  1 21   96  1 22   96  1 23   96  1 24   96  1 25   96  1 26   96  1 27
prn   3d rss (m)
  1       0.10       0.12       0.08       0.12       0.16       0.17       0.12
  2       0.13       0.16       0.17       0.23       0.18       0.15       0.20
  4       0.12       0.14       0.09       0.11       0.14       0.08       0.13
  5       0.14       0.18       0.09       0.10       0.16       0.19       0.11
  6       0.31       0.09       0.09       0.11       0.13       0.13       0.26
  7       0.10       0.12       0.12       0.15       0.09       0.09       0.14
  9       0.10       0.11       0.12       0.10       0.15       0.09       0.09
 12       0.2        0.18       0.16       0.09       0.30       0.26       0.20
 14       0.09       0.15       0.24       0.62       0.36       0.18       0.18
 15       0.23       0.30       0.28       0.26       0.14       0.34       0.40
 16       0.20       0.14       0.15       0.14       0.12       0.15       0.18
 17       0.09       0.06       0.09       0.14       0.15       0.17       0.15
 18       0.08       0.10       0.23       0.33       0.24       0.23       0.24
 19       0.21       0.18       0.21       0.14       0.20       0.26       0.28
 20       0.14       0.28       0.15       0.24       0.17       0.19       0.09
 21       0.14       0.15       0.10       0.15       0.20       0.20       0.17
 22       0.39       0.14       0.13       0.23       0.29       0.28       0.31
 23       0.20       0.10       0.30       0.29       0.21       0.39       0.46
 24       0.16       0.17       0.16       0.15       0.17       0.21       0.21
 25       0.24       0.12       0.14       0.22       0.12       0.20       0.34
 26       0.20       0.19       0.11       0.08       0.15       0.15       0.33
 27       0.17       0.14       0.10       0.14       0.14       0.11       0.08
 28       0.11       0.20       0.10       0.19       0.18       0.19       0.19
 29       0.19       0.13       0.16       0.23       0.20       0.20       0.18
 31       0.23       0.22       0.19       0.26       0.22       0.27       0.35
_______________________
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 837 (1996 Jan 21 - Jan 27)
 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   7.0    2.29        63.3        36.0        3.16        2.51    
ALGO*  7.1    .           .           39.7        3.91        2.82    
AREQ   5.5    85.0       -.339        43.6        4.52        2.31    
AUCK   1.0    79.7       -.294        37.0        5.00        2.84    
BOR1   1.0    1.82       -1.55        35.0        4.00        3.15    
BRUS   7.0    .281        2.49        58.9        3.87        2.55    
CHAT   7.0    94.9       -.343        83.8        5.30        2.75    
CRO1   7.0    132.       -.343        41.2        6.47        2.19    
FAI2   7.0    26.1       -.427        46.9        4.63        2.29    
FAIR*  7.0    65.3       -.436          .         4.00        1.97    
GODE   1.0    .338        .992        51.0        4.00        2.37    
GOL2   6.9    64.0       -.191        49.8        4.20        2.69    
GOLD*  6.9    1.38       -.520          .         3.68        1.93    
GRAS   1.0    73.4       -.389        63.0        10.0        2.82    
GUAM   5.9    94.8       -.332        49.3        7.55        2.47    
HART*  6.9    32.2       -10.7          .         7.59        1.77    
HARV   4.0    .857e+07    .146e+05    69.9        6.05        2.55    
IISC   7.0    71.6       -.336        64.9        4.87        2.14    
IRKT   4.9    .635       -.104        47.2        4.81        2.63    
KERG   7.0    189.       -582.          .         5.73        2.57    
KIRU   1.0    3.61        11.8        55.0        8.00        2.06    
KIT3   4.8    112.       -.337        61.2        4.45        2.72    
KOKB*  6.7    1.66        .192        50.5        6.18        2.49    
KOSG*  4.9    1.78        194.          .         3.00        2.25    
LPGS   5.8    830.       -.377        60.7        5.60        2.90    
MADR*  5.6    1.11       -1.41          .         4.39        2.15    
MCM4   3.0    86.6       -.364        45.7        5.00        1.71    
METS   4.8    .255       -6.04        33.2        3.00        2.20    
NLIB   7.0    .115       -.803        34.0        3.16        2.58    
NOTO   6.0    .138       -2.71        40.2        4.36        2.79    
OHIG   3.2    .637e+05   -4.96        59.4        6.35        1.05    
ONSA   2.0    .130       -1.37        37.0        3.00        1.68    
PAMA   3.3    .273e+04   -.171          .         11.0        1.65    
PERT   6.0    2.48       -4.13        49.2        4.19        3.26    
PIE1   6.9    .173       -.927        35.5        4.16        2.57    
SANT*  7.0    .413        .212          .         5.16        2.63    
SHAO   7.0    83.0       -.337        41.9        3.87        2.36    
STJO   5.8    3.38        1.75        39.6        4.71        2.65    
THU1   5.9    69.1       -.332        45.5        5.03        2.74    
TID2   5.7    150.        .532        41.2        4.55        2.96    
TIDB*  6.9    .160        1.15          .         4.59        2.66    
TROM*  3.0    2.77        12.7          .         4.68        1.63    
USUD   7.0    2.10        .832e-01    35.3        4.31        2.58    
VILL   6.0    2.90       -2.23        63.6        4.00        2.56    
WETT*  4.0    2.39        2.93          .         6.82        1.39    
YAR1*  7.0    .110e+07    322.          .         4.47        2.53    
YELL*  7.0    .133       -1.25        40.5        3.87        2.09    
ZWEN   1.9    .410e+05    .651        54.0        4.50        2.05    
PRN01  7.0    83.7        538.        47.9        5.00        2.45    
PRN02  7.0    82.3       -227.        51.4        4.73        2.41    
PRN04  7.0    80.5        7.40        47.3        5.15        2.18    
PRN05  7.0    79.5        20.7        49.4        4.73        2.41    
PRN06  7.0    79.3        5.18        47.4        4.31        2.56    
PRN07  6.8    81.6        714.        51.0        5.00        2.03    
PRN09  7.0    81.9       -9.41        51.8        5.15        1.93    
PRN12  7.0    15.9       -222.        51.7        4.46        2.77    
PRN14  6.5    81.6        12.1        50.4        5.15        2.21    
PRN15  6.9    3.14        264.        52.5        4.88        2.13    
PRN16  6.7    79.8       -170.        53.8        5.19        2.14    
PRN17  7.0    83.6       -105.        48.9        4.73        2.69    
PRN18  7.0    80.2       -6.34        50.4        4.87        2.52    
PRN19  6.8    169.        330.        45.0        4.75        2.49    
PRN20  7.0    79.1        1.14        49.6        4.16        2.57    
PRN21  6.6    80.5       -13.0        50.7        5.30        2.33    
PRN22  7.0    81.8        280.        48.7        5.00        2.21    
PRN23  6.6    82.5        5.87        46.2        5.31        2.12    
PRN24  7.0    81.8        179.        49.9        5.16        2.21    
PRN25  7.0    81.2       -.890        47.5        5.15        2.34    
PRN26  7.0    81.5       -141.        48.6        5.14        2.24    
PRN27  6.9    82.6        16.3        43.0        4.61        2.47    
PRN28  7.0    2.45        61.1        56.1        4.46        2.77    
PRN29  7.0    81.4        5.39        44.2        4.60        2.34    
PRN31  7.0    78.1        256.        48.7        5.15        2.64    
_______________________
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  1 21   96  1 22   96  1 23   96  1 24   96  1 25   96  1 26   96  1 27
prn   3d rss (m)
  1       3.3        4.7        4.1        3.3        3.2        3.8        2.7 
  2       6.0        6.5        7.6        7.8        7.3        7.0        6.3 
  4       5.9        3.9        3.5        4.0        3.9        3.3        2.9 
  5       6.1        5.6        6.6        8.1        7.8        7.6        6.2 
  6       4.9        4.9        5.2        6.2        6.3        6.2        6.0 
  7       5.1        3.6        4.1        3.9        4.3        4.6        6.3 
  9       6.8        5.0        6.7        3.2        4.6        5.3        4.9 
 12       2.2        2.6        3.4        5.17       4.6        3.5        2.1 
 14       5.4        4.2        5.0        4.4        4.7        4.8        5.6 
 15       4.9        5.2        5.2        4.7        3.9        4.7        3.9 
 16       7.2        5.5        5.7        4.1        4.1        4.3        2.7 
 17       4.4        4.2        4.2        4.5        5.0        4.4        4.5 
 18       2.9        3.1        2.8        4.0        3.8        3.9        4.1 
 19       7.1        7.2        6.1        7.0        6.0        5.5        6.4 
 20       5.9        5.5        5.6        5.3        5.1        6.6        5.6 
 21       6.3       10.2       11.4        8.5        6.9        7.2        8.1 
 22       5.8        5.9        4.5        9.2        4.6        4.5        4.5 
 23       5.6        9.5       18.0       15.0       13.5       19.7       23.9 
 24       3.8        3.3        3.5        3.1        3.3        3.3        3.3 
 25       5.7        4.5        5.5        6.5        5.6        5.4        5.9 
 26       2.6        3.9        3.8        3.3        3.4        3.6        2.6 
 27       4.9        6.0        6.0        4.3        5.9        5.9        6.1 
 28       3.4        3.1        3.5        3.9        3.6        4.9        5.1 
 29       3.2        2.9        2.7        2.5        2.5        2.8        3.5 
 31       2.6        2.8        2.2        2.3        2.3        2.9        3.2 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

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