[IGSREPORT-2048] Wk 0819 JPL Analysis Report

D D
Fri Sep 29 17:07:04 PDT 1995


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IGS Electronic Report    Fri Sep 29 17:07:04 PDT 1995      Message Number 2048
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Author: D C Jefferson
Subject: Wk 0819 JPL Analysis Report

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JPL ANALYSIS REPORT   GPS-WEEK 0819 (DAYS 260-266, DATES 1995 Sep 17 - Sep 23)
******************************************************************************

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/0819.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename               contents
______________________________________________________________________________
jpl08197.sum           This text file.
jpl08197.erp           Earth rotation parameters for GPS week 819.
jpl0819[0-6].sp3       GPS ephemerides for GPS week 819, sp3 format.
______________________________________________________________________________

Mean Orbit Repeatability (see table below): 21.1 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 AOA1, DAV1, FARB, HART, PERT excluded on day 260.
WARNING: Data from BRIB, DAV1 excluded on day 261.
WARNING: Data from WETT excluded on day 262.
WARNING: Data from BRMU, DAV1, MAC1 excluded on day 263.
WARNING: Data from CRFP, DAV1, FAIR, MAC1, MDVO, SEY1, TID2, TIDB, TMGO, WHI1,           WINT, ZIMM excluded on day 264.
WARNING: Data from CRFP, MAC1, RCM5, SEY1, TID2, TIDB, WINT excluded on day 265.
WARNING: Data from AOA1, HART, MAC1, PAMA, SEY1, TID2, TIDB, WINT excluded on            day 266.  YELL used as reference clock on this day only.

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 819 (1995 Sep 17 - Sep 23)
     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
49977.50  17826  12528  -187494  2219    5    5    13     13 34 11 25 -326 -217 
49978.50  17494  12336  -189705  2202    4    5    13     13 34 13 25 -336 -202 
49979.50  17229  12138  -191915  2218    5    5    13     13 34 12 25 -296 -202 
49980.50  16940  11964  -194137  2227    5    5    14     14 34 13 25 -297 -184 
49981.50  16629  11795  -196388  2274    5    6    14     14 34 10 25 -323 -167 
49982.50  16291  11629  -198685  2321    5    6    14     14 34 11 25 -319 -174 
49983.50  15953  11470  -201019  2347    5    6    14     14 34 11 25 -355 -117 
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 819:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 819 (1995 Sep 17 - Sep 23)
      95  9 17   95  9 18   95  9 19   95  9 20   95  9 21   95  9 22   95  9 23
prn   3d rss (m)
  1       0.24       0.20       0.18       0.17       0.19       0.20       0.16
  2       0.15       0.13       0.13       0.18       0.23       0.25       0.24
  4       0.30       0.13       0.15       0.25       0.14       0.14       0.23
  5       0.26       0.15       0.17       0.10       0.12       0.13       0.11
  6       0.23       0.25       0.20       0.29       0.19       0.17       0.18
  7       0.17       0.23       0.11       0.18       0.26       0.26       0.16
  9       0.53       0.27       0.40       0.50       0.24       0.16       0.17
 12       0.62       0.42       0.23       0.25       0.42       0.37       0.39
 14       0.07       0.14       0.19       0.07       0.11       0.09       0.06
 15       0.12       0.13       0.18       0.18       0.13       0.11       0.08
 16       0.28       0.22       0.19       0.18       0.23       0.21       0.14
 17       0.35       0.25       0.31       0.32       0.48       0.36       0.60
 18       0.10       0.22       0.19       0.24       0.19       0.12       0.16
 19       0.20       0.22       0.22       0.20       0.34       0.34       0.36
 20       0.26       0.13       0.19       0.26       0.21       0.17       0.20
 21       0.19       0.11       0.11       0.14       0.21       0.13       0.16
 22       0.16       0.18       0.14       0.13       0.22       0.16       0.08
 23       0.37       0.24       0.29       0.34       0.31       0.46       0.28
 24       0.21       0.14       0.15       0.17       0.35       0.14       0.49
 25       0.14       0.16       0.10       0.17       0.14       0.19       0.11
 26       0.19       0.17       0.14       0.33       0.31       0.40       0.49
 27       0.12       0.12       0.14       0.12       0.14       0.16       0.25
 28       0.20       0.17       0.14       0.11       0.13       0.29       0.18
 29       0.14       0.12       0.12       0.11       0.17       0.13       0.12
 31       0.17       0.14       0.14       0.20       0.28       0.30       0.20
_______________________
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 819 (1995 Sep 17 - Sep 23)
 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   2.0    21.9        9.76        39.1        3.00        2.42    
ALGO*  7.1    .127        7.50        48.6        4.16        2.77    
AREQ   7.0    80.3        2.83        43.6        5.62        2.42    
BOGT   6.8    .202e+04    2.93          .         6.02        2.15    
BOR1   5.9    2.54        2.20        32.7        3.89        3.03    
BRAZ   3.0    65.4        4.26        71.7        5.69        2.27    
BRMU   2.8    101.        4.44        41.0        5.66        3.00    
CAS1   6.9    15.8        899.        41.3        5.14        1.84    
CAT1   6.0    207.        3.00        37.2        4.53        2.67    
CICE    .9    81.3        2.08        28.0        4.00        3.11    
DAV1   1.0    46.9        290.        36.0        4.00        1.56    
EISL   3.8    .773e+07   -.171e+05    40.0        6.22        2.66    
FAIR*  6.0    1.02        2.30          .         4.85        2.06    
FORT   4.9    .140e+06   -.102e+04    49.2        5.62        2.95    
GOLD*  6.9    .742        3.14          .         4.00        2.33    
GUAM   7.0    91.5        2.82        54.7        6.95        2.03    
HART*  4.5    71.8        5.12          .         8.18        1.49    
HKLO   4.0    .289e+06    503.        47.0        4.27        .743    
KERG   5.9    .118e+05   -75.0          .         5.00        2.34    
KIRU   1.0    2.27        .924        55.0        7.00        2.11    
KIT3   5.8    .373e+04    2.75        59.0        5.19        2.66    
KOK2   5.7    .149        4.14        48.1        5.31        2.39    
KOKB*  7.0    .132        3.41          .         5.90        2.59    
KOSG*  5.8    1.24        4.77          .         4.00        2.36    
KOUR   5.0    4.42        27.0          .         7.84        1.92    
LHAS   6.5    .137e+04    3.02        65.2        4.55        1.40    
MAC1   3.0    37.9        1.72        39.0        3.36        2.73    
MADR*  6.9    .654        3.91          .         4.75        2.47    
MAS1   7.0    9.45        6.60        46.9        4.49        2.60    
MCM4   7.0    79.9        2.83          .         5.16        1.92    
MDVO    .5    .316        593.        72.0        6.00        2.71    
PAMA   4.9    11.6        3.48          .         12.2        1.04    
PERT   6.0    1.95        94.5        52.0        4.36        2.92    
POTS   1.0    80.3        1.75        57.0        4.00        2.40    
RCM5   5.9    .694        3.09          .         7.21        2.99    
SANT*  7.0    .536e+06    67.9          .         5.06        2.41    
SHAO   7.0    77.4        2.82        42.5        5.00        2.52    
STJO   4.8    .650e+05    221.        52.0        4.63        2.73    
THU1   7.0    70.7        2.82        51.3        4.31        2.69    
TID2   4.0    14.5        1.75        43.8        4.77        3.04    
TIDB*  3.9    2.70        1.99          .         4.52        2.33    
TROM*  4.8    5.56        349.          .         4.83        1.54    
TSKB   3.0    1.65        1.38        51.4        4.69        3.07    
WETT*  6.0    .140        1.26          .         6.84        2.47    
YAR1*  6.8    1.85        .878          .         4.15        2.36    
YELL*  6.7    .111       -7.51        49.2        4.16        1.75    
PRN01  6.7    81.1        559.        46.8        6.22        2.18    
PRN02  7.0    80.0       -191.        45.0        5.00        2.30    
PRN04  7.0    80.1        47.2        48.4        5.59        1.99    
PRN05  7.0    84.0        130.        47.3        5.00        2.26    
PRN06  6.6    81.7        3.06        50.6        5.88        2.14    
PRN07  6.7    81.1        712.        49.2        5.60        2.09    
PRN09  7.0    82.0       -6.89        47.3        5.00        1.93    
PRN12  6.8    .902        357.        60.5        4.46        2.24    
PRN14  7.0    79.1        13.8        46.2        5.16        2.27    
PRN15  7.0    3.17        228.        49.5        5.00        2.08    
PRN16  6.9    80.8       -119.        53.4        5.89        2.16    
PRN17  7.0    81.4       -90.2        50.0        5.00        2.24    
PRN18  6.8    79.9       -.161        44.5        5.51        2.28    
PRN19  7.0    79.8        168.        47.8        5.00        2.50    
PRN20  6.9    .169e+05    99.3        52.0        5.00        2.31    
PRN21  6.6    82.4       -1.02        47.8        5.00        2.15    
PRN22  7.0    81.9        252.        49.6        5.45        2.31    
PRN23  7.0    81.6        4.46        46.9        5.45        1.93    
PRN24  6.9    80.4        255.        50.9        5.45        2.07    
PRN25  7.0    79.9        3.92        48.7        5.72        2.14    
PRN26  5.9    80.0       -31.2        50.1        5.75        1.89    
PRN27  7.0    81.1        6.17        47.5        5.14        2.40    
PRN28  6.7    2.70        40.0        47.6        5.00        2.64    
PRN29  6.8    81.9        3.68        45.7        5.45        2.20    
PRN31  6.8    83.7        575.        49.6        5.58        2.30    
_______________________
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
      95  9 17   95  9 18   95  9 19   95  9 20   95  9 21   95  9 22   95  9 23
prn   3d rss (m)
  1       8.3        6.5        6.4        9.1        7.1        6.7        6.9 
  2       3.9        2.9        2.8        3.1        3.3        3.2        3.0 
  4       5.5        4.6        3.9        3.9        3.9        3.0        3.4 
  5       3.4        3.1        3.2        5.8        5.4        3.4        3.4 
  6      10.7        8.1        8.5        9.6        8.2        7.8        7.5 
  7       7.6        8.3        6.8        7.2        7.1        7.0        7.2 
  9       2.4        2.8        4.1        3.6        2.5        2.9        2.6 
 12       3.0        3.92       3.5        2.7        2.5        3.4        3.4 
 14       8.9        8.8        8.5        8.4        7.1        4.1        5.2 
 15       3.5        4.0        4.3        4.1        3.6        2.3        4.8 
 16       6.1        6.4        7.9        8.4        5.5        5.1        4.1 
 17       4.3        4.3        2.0        1.9        3.2        2.5        3.4 
 18       7.8        7.7        7.8        8.2        8.9        9.8       10.4 
 19       3.0        2.6        3.4        3.6        3.7        3.7        3.3 
 20       3.0        3.2        3.2        2.9        2.3        2.6        2.6 
 21       6.7        7.7        9.1        7.2       10.1        8.3       12.8 
 22       8.8        7.8        7.0        7.2        6.2        5.6        5.4 
 23       2.9        4.7        4.2        5.8        5.4        5.3        4.9 
 24       5.7        6.3        5.8        5.5        5.4        4.4        4.1 
 25       4.2        3.9        4.7        4.8        4.3        3.5        3.4 
 26       3.8        3.8        4.7        5.1        3.2        3.7        3.8 
 27       4.6        3.8        4.7        4.8        4.9        4.9        5.0 
 28       5.2        7.0        5.3        7.0        6.8        4.1        5.1 
 29       6.5        5.4        6.3        5.8        8.1        7.1        7.1 
 31       5.4        6.0        6.1        4.3        5.5        8.3        5.9 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES


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



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