Subject: [IGSREPORT-0933] jpl07457.sum
From: David C. Jefferson
Date: Mon, 2 May 1994 16:49:50 PDT

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IGS Electronic Report    Mon May  2 16:49:50 PDT 1994      Message Number 0933
******************************************************************************

Author: David C. Jefferson
Subject: jpl07457.sum

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JPL ANALYSIS REPORT   GPS-WEEK 0745 (DAYS 107-113, DATES 1994 Apr 17 - Apr 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/0745.  These files have also been sent to the CDDIS.

______________________________________________________________________________
filename               contents
______________________________________________________________________________
jpl07457.sum           This text file.
jpl07457.erp           Earth rotation parameters for GPS week 745.
jpl0745[0-6].sp3       GPS ephemerides for GPS week 745, sp3 format.
______________________________________________________________________________

According to the file nanu1994.mes obtained from the IGS CBIS, PRN06/GPS36
was scheduled unusable from day 106 (Apr 16) 14:08 UT to day 108 (Apr 18)
15:40 UT for repositioning.  Also, PRN09/GPS39 was repositioned between 14:48
and 19:20 UT on day 110 (Apr 20).  We have excluded data from these satellites
on the appropriate days; PRN09 was excluded on day 111 (Apr 21) as well.

WARNING: Data from PRN06 have been excluded on days 107,108 due to maneuvering.
WARNING: Data from PRN09 have been excluded on days 110,111 due to maneuvering.
WARNING: Little data from PRN13 on day 113.

JPL LODR TABLE                               GPS week 745 (1994 Apr 17 - Apr 23)
  MJD       LODR     +/-
          (ms/day)
 49459.5    2.39     0.01
 49460.5    2.43     0.01
 49461.5    2.40     0.01
 49462.5    2.41     0.01
 49463.5    2.39     0.01
 49464.5    2.48     0.01
 49465.5    2.57     0.01
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 745 (1994 Apr 17 - Apr 23)
  MJD       X        Y       UT1R-UTC XSIG    YSIG   UTSIG  RMS  XYC  XUC  YUC STA SAT PASS    
           ''        ''        sec     ''     ''      sec
 49459.5   .18399   .36218  -.07021  .00009  .00009  .00000  .0  .01  .00  .00  41 25  0
 49460.5   .18396   .35980  -.06866  .00008  .00009  .00000  .0  .01  .00  .00  43 25  0
 49461.5   .18386   .35830  -.07593  .00008  .00008  .00000  .0  .03  .00  .00  44 26  0
 49462.5   .18390   .35689  -.07427  .00008  .00009  .00000  .0  .04  .00  .00  41 25  0
 49463.5   .18374   .35568  -.07707  .00009  .00010  .00000  .0  .00  .00  .00  43 25  0
 49464.5   .18332   .35402  -.07987  .00010  .00012  .00000  .0  .02  .00  .00  42 26  0
 49465.5   .18344   .35295  -.08265  .00009  .00011  .00000  .0  .03  .00  .00  46 26  0
END UTPM TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 745:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 745 (1994 Apr 17 - Apr 23)
      94  4 17   94  4 18   94  4 19   94  4 20   94  4 21   94  4 22   94  4 23
prn   3d rss (m)
  1       0.80       0.99       0.81       1.11       0.73       0.77       0.64
  2       0.82       0.78       0.72       0.74       0.59       0.47       0.46
  4       0.39       0.59       0.54       0.46       0.48       0.50       0.37
  5       0.43       0.54       0.52       0.39       0.60       0.42       0.47
  6                             0.8        1.19       1.66       1.91       1.95
  7       1.20       1.19       1.38       1.40       1.38       1.45       1.15
  9       0.37       0.53       0.2                              0.5        0.35
 12       0.34       0.40       0.46       0.38       0.41       0.34       0.30
 13       0.45       0.46       0.65       0.44       0.42       0.5            
 14       0.30       0.49       0.42       0.39       0.28       0.35       0.33
 15       0.48       0.62       0.89       0.75       0.62       0.81       0.77
 16       0.37       0.45       0.47       0.38       0.41       0.53       0.26
 17       0.84       0.61       0.63       0.55       0.92       0.98       1.30
 18       0.66       0.89       0.99       1.13       0.90       0.71       0.74
 19       0.49       0.73       0.84       0.67       0.82       0.57       0.56
 20       0.21       0.51       0.48       0.35       0.50       0.49       0.56
 21       0.69       0.71       0.48       0.50       0.34       0.33       0.21
 22       0.59       0.64       0.79       0.73       0.54       0.48       0.48
 23       0.59       0.49       0.28       0.41       0.62       0.65       0.89
 24       0.75       0.62       0.61       0.58       0.75       0.58       0.57
 25       0.60       0.62       0.65       0.79       1.01       1.02       1.04
 26       0.73       1.19       1.40       0.89       1.18       1.09       1.01
 27       0.39       0.48       0.37       0.68       0.58       0.39       0.41
 28       1.31       1.42       1.39       1.13       1.36       2.04       2.10
 29       0.44       0.69       0.69       0.66       0.63       0.48       0.43
 31       1.80       1.83       1.84       1.73       1.54       1.64       1.65
_______________________
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  4 17   94  4 18   94  4 19   94  4 20   94  4 21   94  4 22   94  4 23
prn   3d rss (m)
  1       9.8        9.3        9.5        9.4       11.8       11.8       10.6 
  2       3.3        4.6        4.5        5.2        4.2        5.4        7.5 
  4       9.6        9.9       11.3       11.4        9.0        8.2       13.1 
  5       4.0        4.3        4.1        4.1        4.3        4.9        4.6 
  6                            35.8        7.6       12.2       11.1       13.9 
  7      14.3       14.5       14.9       17.8        9.4       10.1       12.4 
  9       2.7        5.2        4.6                             14.6       14.2 
 12       3.7        3.6        4.2        6.0        4.8        5.0        4.4 
 13       6.4        6.0        5.7        5.9        5.3        4.8            
 14       5.6        5.1        5.1        5.8        5.8        5.6        4.6 
 15       5.6        3.4        3.9        5.4        5.2        3.6        3.9 
 16       4.8        5.8        7.0        8.2        7.1        6.0        6.0 
 17       8.3        6.5        6.4        4.7        5.5        5.2        3.8 
 18      19.9       15.1       13.4       14.4       14.0       11.8        9.4 
 19       3.6        4.3        3.3        3.8        5.0        3.9        4.3 
 20       6.2        5.4        5.8        4.5        4.2        5.7        5.6 
 21       9.1        4.6        4.9        4.8        4.8        3.6        4.5 
 22       5.5        6.2        5.9        5.3        4.9        5.8        5.9 
 23       5.7        4.7        4.1        3.1        3.6        3.8        4.7 
 24       6.2        6.5        7.3        7.1        6.1        4.6        4.3 
 25       6.5        5.9        5.3        5.8        5.0        5.8        8.1 
 26       8.2        7.9        9.9        8.2        6.3        5.5        8.1 
 27       4.4        5.8        5.5        5.0        4.0        3.5        3.7 
 28       8.1        7.2        7.7        7.6        6.2        6.1        7.0 
 29      12.6       13.4       11.0       10.1       10.4        8.4        8.3 
 31       5.8        6.5        7.0        6.8        6.4        6.5        6.6 
_______________________
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 745 (1994 Apr 17 - Apr 23)
      94  4 17   94  4 18   94  4 19   94  4 20   94  4 21   94  4 22   94  4 23
Fiducial 12.7       13.1       12.9       12.4       12.3       13.0       12.9
Total    39.9       41.9       42.4       39.9       40.5       39.6       43.8
END SITE SUMMARY TABLE

JPL GROUND STATION INCLUSION TABLE           GPS week 745 (1994 Apr 17 - Apr 23)
      94  4 17   94  4 18   94  4 19   94  4 20   94  4 21   94  4 22   94  4 23
site    % data
ALBH      106        105        106        107         95        104        103
ALGO*     105        106        104        107         95        103        100
AREQ      102         93          0          0          0          0         92
BRMU       88         85         95         87         96         82         92
CHTP       82          0         82         94         76         88         92
DRAO        0        108        108        108         97          0        105
FAIR*      88         90         91        100        102        102        102
FORT        0          0          0          0          0          0        100
GODE      102         83         99        101        105        100         99
GOLD*     101        100        102        102         92         99         98
GRAZ        0        101         83         98        101         61         92
HART*     104        103        105        105         94        105        100
HARV      106        104        104        104         93         78        106
HERS      102        102        103        104        101         99         97
HOBA      100        100         99        100         90         94         96
JPLM      106        106        105        105        104        106        106
KIRU        0         97         99          0        101          0         94
KOKB*      99        100        101         97        100         98        101
KOSG*     100        104         91        104        104        101         97
KOUR       98         99         97        100        100         96         94
MADR*      93         97         97         90         80         97         95
MASP      103        104        104        106        105        103        101
MATE      102        103         90         89         91         81         67
MCMU      103          0        109        110        109        107        106
MDO1      104        105        100         98        103         99         97
METS       99         97         94         97         97         95         97
NLIB        0         58         55          0         72         49         58
NYAL      109        111        109        111        111        109        107
ONSA      103        104         99        103         91        100         99
PAMA       85         92         83          0          0         93         94
PIE1      103        103        102        100         96         96         96
QUIN      100         99         92         92         95         96         97
RCM5      105        105        104        108         98        102        101
SANT*      99        100         99        104        103        104        104
STJO      105        104        103        107         94        103         99
TAIW      103        105        107        109         97        105        102
TIDB*      71         90         91         49         47         75         83
TROM*     105        104        102        104        105        105        101
TSKB      104        102        103        103         95        105        103
USUD      102        102        104         99        102        102        102
VNDP      101        103        107        105        104        105        105
WEST      102        100        101        102        107        102         99
WETT*     102        104        103        104        105        101         99
YAR1*      95        101        101         66        103        104        104
YELL*     107        107        106        107         96        106        102
_______________________
*Indicates fiducial site; #indicates deweighted site.
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 745 (1994 Apr 17 - Apr 23)
      94  4 17   94  4 18   94  4 19   94  4 20   94  4 21   94  4 22   94  4 23
comp log10(rms/ps)
PRN01     4.3        4.3        3.5        3.8        4.4        4          4.0
PRN02     3.8        4.0        3.9        4.0        3.7        4          4.0
PRN04     3.8        4.0        4.1        3.8        3.6        3          3.8
PRN05     3.6        3.4        4.1        4.0        3.8        3          4.0
PRN06                           4          4.1        3.9        4          4.1
PRN07     3.4        4.1        4.0        3.9        3.6        3          3.7
PRN09     3.9        4.2        4                                4          4.1
PRN12     3.6        3.6        4.0        3.7        4.3        4          4.1
PRN13     4.0        4.2        3.8        3.4        4.1                      
PRN14     3.8        3.9        4.1        3.1        3.9        4          3.5
PRN15     4.2        3.8        4.0        4.1        4.0        3          3.7
PRN16     3.9        3.7        4.3        4.3        4.3        4          4.3
PRN17     4.4        4.4        4.4        4.1        4.2        4          4.0
PRN18     3.9        3.9        3.9        3.7        4.0        3          3.5
PRN19     3.9        3.9        4.2        4.0        3.2        4          3.5
PRN20     4.0        4.0        4.0        4.3        4.2        3          4.1
PRN21     4.3        4.5        4.3        4.1        4.3        4          4.0
PRN22     4.3        4.3        4.4        4.4        4.4        4          4.5
PRN23     4.0        4.2        4.1        4.1        3.5        4          4.1
PRN24     3.8        3.9        4.0        3.9        3.8        4          3.6
PRN25     4.1        4.1        4.3        3.7        4.3        4          4.0
PRN26     3.8        4.1        4.4        4.2        3.9        4          4.1
PRN27     4.0        4.1        4.3        3.7        3.7        4          3.9
PRN28     3.9        3.9        3.6        4.2        4.3        3          3.7
PRN29     4.0        4.2        4.1        2.9        4.1        3          3.8
PRN31     3.9        4.2        3.8        3.7        4.2        4          3.8
ALBH      3.8        3.9        4.1        4.0        3.9        4          4.0
AREQ      3.6        4                                                      4  
BRMU      3.6        4.1        4.0        3.9        3.5        3          3.6
CANB      4.1        4.2        3.8        4          4          4          4.5
CHTP      4                     4          4.1        4.0        4          4.1
FAIR      3.7        4.2        4.1        3.8        4.0        4          3.7
GODE      3.8        3.7        4.2        4.0        3.8        4          3.7
GOLD      3.6        3.6        3.8        3.4        3.8        3          3.7
GRAZ                 4          4.3        3.4        3.9        3          3  
HART      3.6        3.9        3.8        3.8        4.2        3          3.2
HARV      3.8        4.0        4.2        3.9        3.8        4          4.0
HERS      4.0        4.0        4.2        3.9        3.7        4          3.2
HOBA      4.1        4.2        4.1        4.1        4.0        4          4.0
JPLM      3.5        3.4        4.0        3.5        3.8        3          3.9
KIRU                 4          4                                              
KOKB      4.2        4.7        4.6        4.4        4.4        4          4.2
KOSG      3.7        3.9        3.9        3          3.8        3          3.4
KOUR      4.2        4.1        4.2        3.8        3.9        4          4.4
MADR      3.7        3.9        3.9        3.7        4.0        3          3.6
MASP      4.3        4.4        4.2        4.1        4.3        4          4.3
MATE      4.0        3.9        3.8        3.7        3.9        3          3.4
MCMU      4                     3          3.9        4.1        4          4.0
MDO1      4.0        3.9        4.2        4.0        4.0        4          4.0
METS      3.7        3.7        3.8        4.4        4.4        4          4.0
NALL      4.3        4.3        4.0        3.9        4.3        4          4.2
NLIB                 4          4                     3                     3  
ONSA      3.9        3.9        3.8        3.5        3.9        3          3.7
PAMA      4.1        4.3        4                                4          4.0
PENT                 4          4.1        4.0        4                        
PIE1      3.9        3.8        4.0        3.9        4.0        3          3.9
QUIN      3.9        4.0        4.2        4.1        4.0        4          4.0
RCM5      4.1        4.0        4.0        3.9        3.8        4          3.2
SANT      3.5        3.3        3.4        3.9        4.1        4          3.3
STJO      3.7        3.9        3.8        3.9        3.5        4          3.5
TAIS      4.2        4.3        4.2        3.8        3.9        4          4.2
TROM      3.9        4.2        3.9        4.0        4.0        4          3.5
TSKB      4.4        4.3        4.1        4.0        4.1        3          4  
USUD      4.2        4.2        4.1        4.0        3.2        3          3.7
VNDP      3.2        3.8        4.1        3.8        4.0        4          3.7
WEST      3.7        3.8        3.9        3.8        3.6        4          3.6
WETB      3.4        4.0        3.7        3.8        3.9        3          3.7
YAR1      4.1        4.2        4.0        4.3        3.9        4          3.9
YELL      3.6        4.1        4.1        4.0        3.5        3          3.9
_______________________
END CLOCK REPEATABILITY TABLE