Subject: [IGSREPORT-454] JPL07067.SUM
From: G. Blewitt
Date: 26 AUG 1993 08:49:06

***********************************************************************
IGS Electronic Report     26-AUG-1993 08:49:06       Message Number 454
***********************************************************************

From: G. Blewitt
Subj: JPL07067.SUM
------------------

Submitted by

D C Jefferson, J F Zumberge, G Blewitt, M B Heflin, F H Webb

all at the Jet Propulsion Laboratory, California Institute of Technology, 
Pasadena, CA  91109.

The following files have been posted on BODHI (for access to BODHI contact
[email-masked]):

______________________________________________________________________________
filename               contents
______________________________________________________________________________
jpl07067.sum           This text file.
jpl07067.erp           Earth rotation parameters for GPS week 706.
jpl07067.sp1           GPS ephemerides for GPS week 706, sp1 format.
jpl07067.sp3            "       "       "   "   "    " , sp3   "   .
______________________________________________________________________________

Beginning this week, we include data from PRN09/GPS39, which was launched on
June 26, 1993. Following our usual practices, we have deweighted all data
from this satellite for the entire week of analysis.

Also, beginning July 21, we include data from KIRU (Kiruna, Sweden). The
following nominal coordinates were assumed, and the station location was
estimated (unconstrained) each day:

      X = 2251421.0210 m,    Y = 862817.1160 m,    Z = 5885476.5490 m

Tracking data from MCMU proved to be corrupt for the analysis of day 202
(July 21). Also, the inclusion of data from HART adversely affected our analysis
of day 204. We have therefore not included data from these sites on these days.
These particular sites have also been excluded from the analysis of day 205.

According to IGS Mail Message 305, the antenna at KOKB (Kokee Park) was dis-
placed between July 22, 19:43 and July 23, 02:00 UT. We have subsequently
excluded data from this site for the analyses of these two days, as well as
July 24.

Due to a recent glitch in bodhi operations, data from some sites were included
twice on some days, having the effect of a decrease in the assumed data noise
for such days and sites by sqrt(2). These site-days have been flagged in the
the JPL GROUND STATION INCLUSION TABLE with a caret (^).

WARNING: Data from PRN09/GPS39 have been deweighted for the entire GPSweek 706.
WARNING: Data from HART have been deleted for days 204 and 205 (Jul 23, 24).
WARNING: Data from MCMU have been deleted for days 202 and 205 (Jul 21, 24).
WARNING: Data from KOKB have been deleted for days 203-205 (Jul 22-24), as the           antenna was temporarily relocated.

JPL LODR TABLE                               GPS week 706 (1993 Jul 18 - Jul 24)
  MJD       LODR     +/-
          (ms/day)
 49186.5    1.45     0.04
 49187.5    1.53     0.04
 49188.5    1.54     0.04
 49189.5    1.52     0.04
 49190.5    1.73     0.04
 49191.5    1.68     0.04
 49192.5    1.91     0.04
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 706 (1993 Jul 18 - Jul 24)
  MJD       X        Y       UT1R-UTC XSIG    YSIG   UTSIG  RMS  XYC  XUC  YUC STA SAT PASS    
           ''        ''        sec     ''     ''      sec
 49186.5  -.07165   .23169   .57157  .00012  .00013  .00000  .0  .00  .00  .00  40 24  0
 49187.5  -.07162   .23373   .57006  .00011  .00012  .00000  .0  .00  .00  .00  41 24  0
 49188.5  -.07174   .23511   .56857  .00015  .00019  .00000  .0  .07  .00  .00  37 24  0
 49189.5  -.07299   .23721   .56707  .00016  .00019  .00000  .0  .09  .00  .00  41 24  0
 49190.5  -.07330   .23880   .56559  .00015  .00014  .00000  .0 -.01  .00  .00  42 24  0
 49191.5  -.07356   .24051   .56459  .00017  .00015  .00000  .0 -.10  .00  .00  42 24  0
 49192.5  -.07431   .24207   .56309  .00018  .00016  .00000  .0 -.01  .00  .00  41 24  0
END UTPM TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 706:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE                GPS week 706 (1993 Jul 18 - Jul 24)
      93  7 18   93  7 19   93  7 20   93  7 21   93  7 22   93  7 23   93  7 24
prn   3d rss (m)
  1       0.54       0.78       0.74       0.51       0.27       0.17       0.11
  2       0.17       0.31       0.56       1.05       0.68       0.28       0.96
  3       0.36       0.30       0.21       0.21       0.20       0.19       0.25
  7       0.34       0.39       0.79       0.82       0.73       0.60       0.57
  9      #5.1       #3.56      #9.45      #4.12      #7.19      #8.41      #8.04
 12       0.17       0.29       0.40       0.45       0.47       0.17       0.30
 13       0.24       0.19       0.39       1.49       3.11       0.30       0.31
 14       0.32       0.34       0.26       0.44       0.42       0.46       0.26
 15       0.34       0.35       0.34       0.44       0.21       0.35       0.41
 16       0.13       0.13       0.16       0.18       0.25       0.20       0.25
 17       0.36       0.42       0.29       0.20       0.21       0.21       0.18
 18       0.33       0.33       0.14       0.41       0.62       0.52       0.44
 19       0.20       0.23       0.32       0.23       0.27       0.24       0.22
 20       0.32       0.23       0.41       0.49       0.64       0.42       0.27
 21       0.27       0.43       0.45       0.33       0.13       0.16       0.24
 22       0.25       0.22       0.24       0.16       0.19       0.16       0.20
 23       0.18       0.22       0.14       0.19       0.12       0.26       0.29
 24       0.20       0.26       0.30       1.26       0.45       0.33       0.38
 25       0.37       0.42       0.22       0.39       0.48       0.54       0.34
 26       0.35       0.46       0.72       0.70       0.53       0.43       0.16
 27       0.20       0.13       0.10       0.23       0.24       0.21       0.13
 28       0.12       0.17       0.20       0.24       0.20       0.24       0.29
 29       0.48       0.39       0.29       0.51       0.48       0.42       0.29
 31       0.23       0.23       0.26       0.46       0.44       0.41       0.33
_______________________
#Indicates deweighted satellite.
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
      93  7 18   93  7 19   93  7 20   93  7 21   93  7 22   93  7 23   93  7 24
prn   3d rss (m)
  1       5.2        6.1        6.6        5.3        3.9        4.0        4.9 
  2       7.5        5.9        6.6        7.5        7.1        8.7        7.6 
  3      10.2        9.7        6.0        7.0       10.2        5.0        4.6 
  7      16.4       18.6       18.7       18.5       17.0       15.8       10.3 
  9      #3.5       #5.2       #3.3       #3.6       #3.4       #4.0       #2.9 
 12       4.6        5.1        5.9        8.3        7.5        4.2        5.66
 13       8.3       13.3        9.8        8.9       10.9        9.9        7.5 
 14       5.6        5.5        5.7        5.1        9.3       13.4        7.3 
 15       6.8        6.2        7.8        6.6        6.3        8.0        5.6 
 16      10.8        7.7        5.6        7.5       10.3       15.2        9.3 
 17      11.2        7.5        6.9        7.2        9.9        9.0        7.9 
 18      11.0        8.3       10.5        8.6        9.3       14.4       10.6 
 19       3.8        3.5        4.9        5.6        7.9        8.2        3.8 
 20       4.2        4.3        5.5        6.6        6.0       11.2        4.7 
 21       7.3        6.4        7.4        5.5        9.9        5.8        5.7 
 22       5.5        5.9        7.0        8.8        8.1        9.4        4.7 
 23      14.0        8.5        5.1        6.8        5.3        4.2        3.9 
 24      16.4       15.8       14.4       12.7       13.0       11.0       15.3 
 25       8.1        5.3        5.3        5.8        5.7        8.2        5.4 
 26       3.5        4.0        7.2        4.4        3.1        3.2        3.6 
 27       6.3        6.4        6.3        5.0        5.4        5.2        3.6 
 28       5.2        4.2        4.6        4.6        5.5        4.8        4.4 
 29       5.4        5.8        5.7        5.1        6.2        8.5        5.3 
 31      16.9       14.3       13.5       16.6       13.2       11.8       13.4 
_______________________
#Indicates deweighted satellite.
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 706 (1993 Jul 18 - Jul 24)
      93  7 18   93  7 19   93  7 20   93  7 21   93  7 22   93  7 23   93  7 24
Fiducials 7.0        6.8        6.7        4.8        5.7        5.0        5.1
Total    34.6       37.3       33.1       37.2       40.0       39.0       38.7
END SITE SUMMARY TABLE

JPL GROUND STATION INCLUSION TABLE           GPS week 706 (1993 Jul 18 - Jul 24)
      93  7 18   93  7 19   93  7 20   93  7 21   93  7 22   93  7 23   93  7 24
site    % data
ALBH      101        103         99        102        104        104        103
ALGO*     101        101         98         94        101        102        102
BRMU      103        102         61         65         93        102         98
DRAO      105        104        102        104        107        107        107
FAIR*      91         89         88         88         90         89         88
FORT      106         82          0         70        108         82        105
GOLD     ^105         98         94         94         98         97         95
GRAZ      101         99        101         99         93         62         93
HART*     100        104         94          0         94          0          0
HERS       98        100         99        101        103        104        103
HOBA      102        100         97        100        100        100         99
JPLM      105        106        104        106        107        105        108
KIRU        0          0          0        103        105        104        104
KOD1       93         83          0         73         77         95         86
KOKB*      98         98         97         88          0          0          0
KOSG       94          0         93        101        106         98         52
KOUR        0         97        106        105        108        108        108
MADR*      89         76         94       ^100       ^121        102        102
MASP      104        104        102        100        103        104        103
MATE       94         95         95         93         95         96         96
MCMU      110        115          0          0        114        104          0
MDO1        0         93         98        102        103        103        104
METS      101        106        105        105        108        106        106
NLIB       92         87          0         88         97         97         97
NYAL        6         32        109        107        103        100        100
ONSA      100        100         97        100        103         98         91
PAMA       89         92         47         50         60        102        102
PIE1       91         81          0         81         95        105        105
PINY        0          0         82         82          0         93         99
QUIN       26         86         85         86         63         31        100
RCM2      104         99         63         67         99        105        104
SANT*     103        102         90          0         46         97        102
STJO       85         99        102         98        102        104        105
TAIW       83         88         85         83         84         83         85
TIDB       78        101       ^109       ^202       ^201        105        104
TROM*     113        114        111        109        113        113        113
USUD       88        #95         90         93         90         93         93
VNDP      104        106        103        105        107        107        106
WEST       40         90        100         96         97         94         91
WETT       56        101        101         73         87         85         93
YAR1       95         94          0         96        106        107        106
YELL      108        109        107        107        110        109        109
_______________________
*Indicates fiducial site; #indicates deweighted site; ^indicates duplicate data.
END GROUND STATION INCLUSION TABLE