Subject: [IGSREPORT-1047] jpl07527.sum
From: David C. Jefferson
Date: Thu, 23 Jun 1994 16:06:24 PDT

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IGS Electronic Report    Thu Jun 23 16:06:24 PDT 1994      Message Number 1047
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Author: David C. Jefferson
Subject: jpl07527.sum

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JPL ANALYSIS REPORT   GPS-WEEK 0752 (DAYS 156-162, DATES 1994 Jun 05 - Jun 11)
******************************************************************************

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/0752.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename               contents
______________________________________________________________________________
jpl07527.sum           This text file.
jpl07527.erp           Earth rotation parameters for GPS week 752.
jpl0752[0-6].sp3       GPS ephemerides for GPS week 752, sp3 format.
______________________________________________________________________________

Including BRMU caused atypically high clock repeatability values for day 156
Also, the inclusion of HARV on day 156 and HOBA on days 157 and 158 caused
excessive numbers of outliers in our solutions on these days.  Data from MCMU
seemed to have an adverse effect in some of our analyses; we have excluded this
site for days 156-159.

In order to expedite processing, days 158-162 were analyzed with a well-
distributed subset of the global network consisting of no more than 25 sites.
The exclusion of other sites is not necessarily indicative of problems at those
stations.

We note usually large orbit repeatibilities for days 159-161, and an anomalous
change in LOD on day 160.  These may be due to temporarily degraded orbit
accuracy associated with software changes related to the new GPS attitude model
which are currently under development.

WARNING: Data from BRMU and HARV excluded day 156 (Jun 5).
WARNING: Data from HOBA excluded day 157, 158 (Jun 6,7).
WARNING: Data from MCMU excluded days 156-159 (Jun 5-8).

JPL LODR TABLE                               GPS week 752 (1994 Jun 05 - Jun 11)
  MJD       LODR     +/-
          (ms/day)
 49508.5    1.79     0.01
 49509.5    1.76     0.01
 49510.5    1.67     0.02
 49511.5    1.72     0.02
 49512.5    1.52     0.01
 49513.5    1.74     0.01
 49514.5    1.75     0.02
END LODR TABLE

NOTE: In the following table, UT1R-UTC are the assumed nominal values from
IERS Bulletin-B predicts; estimated LODR values are given in the previous
table. See IGS Mail Message 97 for details.

JPL UTPM TABLE                               GPS week 752 (1994 Jun 05 - Jun 11)
  MJD       X        Y       UT1R-UTC XSIG    YSIG   UTSIG  RMS  XYC  XUC  YUC STA SAT PASS    
           ''        ''        sec     ''     ''      sec
 49508.5   .16980   .26107  -.18050  .00008  .00010  .00000  .0  .14  .00  .00  39 25  0
 49509.5   .16831   .25993  -.18262  .00007  .00008  .00000  .0  .07  .00  .00  40 25  0
 49510.5   .16689   .25820  -.18472  .00012  .00014  .00000  .0  .14  .00  .00  23 25  0
 49511.5   .16597   .25566  -.18682  .00010  .00011  .00000  .0  .12  .00  .00  23 25  0
 49512.5   .16545   .25406  -.18890  .00010  .00009  .00000  .0  .07  .00  .00  24 25  0
 49513.5   .16482   .25177  -.19097  .00009  .00010  .00000  .0  .01  .00  .00  24 25  0
 49514.5   .16296   .24992  -.19302  .00010  .00011  .00000  .0  .00  .00  .00  23 25  0
END UTPM TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 752:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 752 (1994 Jun 05 - Jun 11)
      94  6  5   94  6  6   94  6  7   94  6  8   94  6  9   94  6 10   94  6 11
prn   3d rss (m)
  1       1.15       0.57       0.45       0.44       0.86       0.65       1.04
  2       0.60       0.45       0.70       1.36       1.11       1.38       0.98
  4       0.51       0.61       0.69       0.54       1.73       2.36       1.51
  5       0.50       0.44       0.46       1.67       1.82       1.45       0.66
  6       0.64       0.56       0.77       2.29       1.05       1.06       0.64
  7       0.90       1.49       0.80       1.42       2.62       1.01       0.88
  9       1.40       1.15       1.31       4.32       2.95       4.09       0.73
 12       0.38       0.45       0.69       0.79       0.99       1.23       0.57
 14       0.31       0.43       0.45       0.70       1.03       0.75       0.50
 15       0.98       1.06       1.11       1.31       1.16       1.23       0.99
 16       0.36       0.40       0.33       0.26       0.55       0.65       0.23
 17       0.67       0.55       1.00       0.62       0.81       0.51       0.75
 18       0.34       0.27       0.52       0.92       0.72       0.82       0.86
 19       0.54       0.41       0.64       1.14       1.17       0.62       0.93
 20       0.35       0.42       0.32       0.52       0.96       1.17       0.38
 21       0.68       0.60       0.43       0.70       0.66       0.74       0.42
 22       0.68       0.73       1.05       1.35       0.71       0.82       1.25
 23       0.44       0.90       0.61       0.42       0.44       0.67       0.27
 24       0.74       0.81       0.66       1.19       2.37       1.54       0.70
 25       1.07       1.18       1.37       0.73       0.58       0.73       0.89
 26       0.82       0.43       0.36       1.14       0.87       0.90       0.28
 27       0.65       0.34       0.48       0.61       0.74       0.56       0.99
 28       0.76       1.18       1.33       0.94       0.59       0.72       0.71
 29       0.32       0.50       0.51       0.36       0.56       0.47       0.65
 31       0.61       0.96       1.46       1.89       1.33       0.56       0.45
_______________________
END ORBIT REPEATABILITY 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
      94  6  5   94  6  6   94  6  7   94  6  8   94  6  9   94  6 10   94  6 11
prn   3d rss (m)
  1       7.0        6.4        6.2        6.9        9.8       12.4       11.7 
  2       5.6        3.9        4.4        3.3        4.2        5.1        3.4 
  4      10.1       11.8       12.3       11.3       11.8       12.5       41.2 
  5       7.1        7.8        8.0       12.0       10.2        9.2        9.3 
  6       8.3        9.5        8.8        8.5        6.6        6.6        7.5 
  7       7.8        9.4        8.0       10.6       11.7       13.4       13.0 
  9       6.0        8.8        7.4        8.7       10.7       12.2       12.1 
 12       6.2        5.2        5.1        6.4        5.0        5.9        4.2 
 14       3.9        4.2        4.3        4.2        4.8        5.6        4.9 
 15       5.2        7.7        7.7        7.1        7.9        4.5        4.7 
 16       9.4        7.2        8.4       13.4        9.5       11.6       14.1 
 17       5.8        5.3        4.8        6.7        7.4        4.7        6.3 
 18       8.6       10.1       10.7       10.4       10.4        9.9       10.5 
 19       7.8        6.5       12.2       12.7       14.5       11.8       10.4 
 20       3.3        3.0        3.6        4.4        2.8        4.2        3.4 
 21       5.5        5.4        5.4        4.7        8.0        7.2        5.0 
 22       4.1        3.5        3.9        5.8        5.8        4.0        5.0 
 23       3.0        2.6        3.3        2.7        3.2        2.8        4.1 
 24       9.1        9.2       10.6       12.1        9.1        9.2       10.0 
 25       6.9        5.8        5.8        7.7       10.1        9.8        8.6 
 26       3.8        3.5        5.8        7.2        6.3        6.0        6.1 
 27      11.6       12.0       12.7       10.6       12.7       11.7       12.5 
 28       4.6        5.7        5.4        7.0        9.0        9.3        9.8 
 29       6.0        6.2        6.5        6.6        7.7        7.3        7.2 
 31       5.4        5.9        6.9        7.4        7.5        9.0       10.4 
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

The following tables, as explained in IGS Report Nos. 99 and 295, indicate the
amount of global network tracking data used in this week's analysis:

JPL SITE SUMMARY TABLE (no. stations)        GPS week 752 (1994 Jun 05 - Jun 11)
      94  6  5   94  6  6   94  6  7   94  6  8   94  6  9   94  6 10   94  6 11
Fiducial 12.3       12.1       12.1       12.6       13.1       13.0       12.8
Total    38.7       38.1       21.0       22.1       23.1       23.8       23.1
END SITE SUMMARY TABLE

JPL GROUND STATION INCLUSION TABLE           GPS week 752 (1994 Jun 05 - Jun 11)
      94  6  5   94  6  6   94  6  7   94  6  8   94  6  9   94  6 10   94  6 11
site    % data
ALBH      104        105          0          0          0          0          0
ALGO*#    103        103        101        102        103        102        103
AREQ#     106        107         96         87        106        106        107
BRMU        0         54          0          0          0          0          0
CHTP       94         88          0          0          0          0          0
DRAO      107        107          0          0          0          0          0
FAIR*     102        104        102        103        104        106        104
FORT#     102        102        102        102        101         92          0
GODE       90         99          0          0          0          0          0
GOLD*      84         84         83         87         84         87         88
GRAZ      105        106          0          0          0          0          0
HART*     104        106         62         96        106        106        105
HERS      101        100          0          0          0          0          0
HOBA#     105          0          0        104        104        104        102
JPLM      104        109         85         60         54         58         94
KIRU      101        102          0          0          0          0          0
KOKB*     110        112        109        107        111        111        112
KOSG*     105        104        105        104        104        104        104
KOUR       96         98         99         99         98         98         98
MADR*     103        105        104        104        102        102         92
MASP      105        104          0          0          0          0          0
MATE      101        101          0          0          0          0          0
MCMU#       0          0          0          0        116        116        117
METS      104        103          0          0          0          0          0
NYAL      113        113        113        114        114        115        113
ONSA#     102        102        103         88          0         88         99
PAMA      100        103         98         99         99        100         96
PIE1      102        104          0          0          0          0          0
QUIN      101        100         98        103         99        103        100
RCM5      105         99          0          0          0          0          0
SANT*       0         44        101         54        100         79         77
STJO       98        103          0          0          0          0          0
TAIW      107        107          0          0          0          0          0
TIDB*     100         99         99        105        104        104        103
TROM*      99         82         76         78         80         82         81
TSKB#     104        102         95        101        102        101        102
USUD       83         82          0          0          0          0          0
WEST      103        104          0          0          0          0          0
WETT*     106         58         63        105        105        106        106
YAR1*     107        106        106        108        107        107        107
YELL*#    103        103        102        104        103        105        102
_______________________
*Indicates fiducial site; #indicates TurboRogue psuedo-range used
END GROUND STATION INCLUSION TABLE

As described in IGS Report No. 634, the table below indicates the repeatability
of clock solutions for all satellites and stations used in this week's analysis:

JPL CLOCK REPEATABILITY TABLE                GPS week 752 (1994 Jun 05 - Jun 11)
      94  6  5   94  6  6   94  6  7   94  6  8   94  6  9   94  6 10   94  6 11
comp log10(rms/ps)
PRN01     3.4        3.2        3.4        3.7        3.6        3.3        3.3
PRN02     3.4        3.7        3.0        3.4        4.0        4.0        3.8
PRN04     3.1        2.9        2.8        2.8        3.5        3.5        3.3
PRN05     3.1        3.0        3.0        3.1        3.5        3.4        3.1
PRN06     3.2        2.9        3.1        3.0        3.3        3.4        3.2
PRN07     3.3        3.5        2.7        3.5        3.3        3.0        2.8
PRN09     3.4        3.0        3.4        3.4        4.0        3.8        3.2
PRN12     3.2        2.8        3          3.3        3.4        3.5        3.4
PRN14     2.9        2.9        3.0        3.9        3.8        3.2        2.9
PRN15     2.9        3.8        4          3.6        3.6        3.0        3.1
PRN16     2.9        3.2        2.4        2.6        3.0        3.1        2.9
PRN17     2.8        3.8        3.8        3.2        3.4        3.4        3.5
PRN18     3.1        3.0        3.3        3.7        3.7        4.1        3.6
PRN19     3.3        3.2        3.4        3.4        3.2        3.1        3.3
PRN20     3.1        3.0        2.9        3.3        3.1        3.4        3.3
PRN21     3.1        3.1        3.8        3.3        3.3        3.3        2.9
PRN22     3.0        3.2        3.5        3.3        3.4        3.2        3.3
PRN23     3.1        3.9        3.9        3.2        2.9        3.4        3.0
PRN24     3.2        3.3        2.9        3.3        3.9        3.2        2.9
PRN25     3.3        3.3        3.3        3.3        3.7        3.4        3.3
PRN26     3.6        3.1        3.5        2.9        3.0        3.2        2.9
PRN27     3.4        3.2        3.3        3.0        3.5        3.1        3.1
PRN28     2.8        3.1        3.5        3.1        3.2        3.4        3.2
PRN29     3.2        3.2        3.2        3.2        3.7        3.2        3.1
PRN31     3.5        3.6        4.0        3.2        3.3        3.4        3.3
ALBH      3.4        3                                                         
AREQ      2.7        2.6        2.5        3          3.1        3.0        3.1
CANB      3.7        4          3.7        3.6        3.8        3.6        3.4
CASA      3.3        3          3                                              
CHTP      3.3        3                                                         
FAIR      3.8        3.7        4.0        3.6        2.7        3.6        3.7
FORT      2          2.2        2.2        2.5        3.1        3             
GGAO      4          2                                                         
GOLD      3.8        3.5        3.0        3.5        3.5        3.3        3.6
GRAZ      3.9        4                                                         
HART      3.9        3.4        4          3.9        4.0        3.8        3.6
HERS      2.7        3                                                         
HOBA      3                                3          3.7        3.2        3.2
JPLM      3.0        3.7        3.3        3          2          3          3.4
KIRU      3.7        2                                                         
KOKB      4.1        3.6        3.4        3.6        3.5        3.5        3.6
KOSG      3.6        3.6        3.6        3.4        3.7        3.8        3.6
KOUR      3.8        3.9        4.0        4.2        4.4        4.2        4.2
MADR      3.3        3.2        3.6        3.8        3.6        3.7        3.7
MASP      4.2        3                                                         
MATE      3.5        3                                                         
MCMU                                                  3          3.2        3  
METS      4.0        4                                                         
NALL      4.0        4.1        3.7        3.9        4.0        3.6        4.3
ONSA      2.6        2.8        2.8        3                     3          2.8
PAMA      3.8        4.2        3.7        4.0        3.7        4.0        3.9
PENT      3.5        3                                                         
PIE1      3.6        4                                                         
QUIN      3.6        2.5        3.4        3.3        3.5        3.3        2  
RCM5      3.6        3                                                         
SANT                 3          3.8        4          4.2        4.3        4.4
STJO      3.3        3                                                         
TAIS      3.7        4                                                         
TROM      3.8        3.9        3.6        3.9        3.7        4.4        4.2
TSKB      2.7        2.7        2.6        3.2        3.1        3.0        3.0
USUD      2.7        3                                                         
WEST      3.3        3                                                         
WETB      3.7        2          2          3.2        3.5        3.5        3.6
YAR1      3.8        3.7        3.7        3.6        3.7        3.8        3.7
YELL      2.6        3.1        3.4        3.1        3.3        3.2        3.0
_______________________
END CLOCK REPEATABILITY TABLE