[IGSREPORT-487] JPL07127.SUM
G.
G.
Mon Sep 13 19:12:05 PDT 1993
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IGS Electronic Report 13-SEP-1993 19:12:05 Message Number 487
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From: G. Blewitt
Subj: JPL07127.SUM
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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
starr at logos.jpl.nasa.gov):
______________________________________________________________________________
filename contents
______________________________________________________________________________
jpl07127.sum This text file.
jpl07127.erp Earth rotation parameters for GPS week 712.
jpl07120.sp1,sp3 GPS ephemerides for Sun, Aug 29, sp1 and sp3 formats
jpl07121.sp1,sp3 GPS ephemerides for Mon, Aug 30, sp1 and sp3 formats
jpl07122.sp1,sp3 GPS ephemerides for Tue, Aug 31, sp1 and sp3 formats
jpl07123.sp1,sp3 GPS ephemerides for Wed, Sep 01, sp1 and sp3 formats
jpl07124.sp1,sp3 GPS ephemerides for Thu, Sep 02, sp1 and sp3 formats
jpl07125.sp1,sp3 GPS ephemerides for Fri, Sep 03, sp1 and sp3 formats
jpl07126.sp1,sp3 GPS ephemerides for Sat, Sep 04, sp1 and sp3 formats
(no PRN29)
______________________________________________________________________________
According to the file gpsn3.txt obtained from tycho.usno.navy.mil, PRN02/GPS13
was scheduled unusable on day 242 (August 30) from 10:45 UT for up to 12 hours
for repositioning. Also, PRN03/GPS11 and PRN27/GPS27 were scheduled unsuable
for various periods on days 245 and 246 (September 2,3). We have therefore
deweighted data from these satellites on the relevant days in accordance with
the NANU messages; see warnings below.
Broadcast ephemeris data AND tracking data were not available for PRN29/GPS29
on day 247 (September 4). According to the aforementioned NANU file, this
satellite is unusable from day 246 09:18 to day 251 22:16 UT. Hence, it is
absent from our orbit repeatability and broadcast comparison tables for this
day (247) only.
Tracking data from TIDB (Tidbinbilla, Australia) proved to be corrupt for the
analysis of day 242. All data from this site were excluded for this day's
processing. Additionally, due to the absence of data from ALGO (Algonquin Park,
Canada) on day 245 (September 2), we have changed our reference clock to FAIR
(Fairbanks, Alaska) for that day ONLY.
WARNING: Due to the maneuver of PRN02/GPS26, data from this satellite have been deweighted for day 242 (August 30, 1993).
WARNING: Data from PRN03/GPS11 have been deweighted for days 245, 246 (Sep 2, 3)
WARNING: Data from PRN27/GPS27 have been deweighted for day 246.
WARNING: Data from TIDB has been excluded for the analysis of day 242.
WARNING: FAIR (instead of ALGO) was used as the reference clock for day 245.
JPL LODR TABLE GPS week 712 (1993 Aug 29 - Sep 04)
MJD LODR +/-
(ms/day)
49228.5 1.64 0.05
49229.5 1.70 0.05
49230.5 2.05 0.05
49231.5 1.91 0.05
49232.5 2.31 0.06
49233.5 2.63 0.06
49234.5 2.40 0.06
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 712 (1993 Aug 29 - Sep 04)
MJD X Y UT1R-UTC XSIG YSIG UTSIG RMS XYC XUC YUC STA SAT PASS
'' '' sec '' '' sec
49228.5 -.09963 .31132 .50598 .00013 .00014 .00000 .0 .06 .00 .00 41 24 0
49229.5 -.09923 .31360 .50426 .00013 .00013 .00000 .0 .03 .00 .00 40 24 0
49230.5 -.09872 .31527 .50252 .00013 .00014 .00000 .0 .07 .00 .00 40 24 0
49231.5 -.09875 .31734 .50077 .00013 .00014 .00000 .0 .08 .00 .00 40 24 0
49232.5 -.09832 .31860 .49901 .00017 .00019 .00000 .0 -.01 .00 .00 35 24 0
49233.5 -.09867 .32105 .49724 .00015 .00018 .00000 .0 .11 .00 .00 37 24 0
49234.5 -.09813 .32270 .49546 .00015 .00016 .00000 .0 .07 .00 .00 35 23 0
END UTPM TABLE
The following table indicates the "3-dimensional orbit repeatability", as
defined in IGS Mail Message 37, for GPS week 712:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]
JPL ORBIT REPEATABILITY TABLE GPS week 712 (1993 Aug 29 - Sep 04)
93 8 29 93 8 30 93 8 31 93 9 1 93 9 2 93 9 3 93 9 4
prn 3d rss (m)
1 0.29 0.25 0.20 0.49 0.63 0.36 0.29
2 8.35 #3741.58 3772.71 0.91 0.67 0.88 0.71
3 0.50 0.30 0.48 11.13 #1700.46 #1372.15 20.58
7 0.34 0.30 0.23 0.55 0.55 0.59 0.26
9 0.22 0.22 0.26 0.61 0.67 0.39 0.31
12 0.41 0.41 0.30 0.62 1.26 0.41 0.19
13 0.16 0.20 0.19 0.73 0.66 0.63 0.31
14 0.41 0.32 0.30 0.57 0.52 0.72 0.24
15 0.35 0.21 0.18 0.73 0.54 0.59 0.23
16 0.53 0.17 0.28 0.37 0.94 0.41 0.53
17 0.33 0.16 0.30 0.73 0.71 0.64 0.41
18 0.37 0.32 0.48 0.53 0.49 0.58 0.64
19 0.32 0.30 0.27 0.66 0.74 0.59 0.25
20 0.44 0.35 0.60 0.99 0.62 0.88 0.48
21 0.32 0.28 0.42 0.68 0.74 0.36 0.18
22 0.53 0.26 0.32 0.42 0.47 0.65 0.47
23 0.16 0.14 0.33 0.56 0.66 0.46 0.27
24 0.30 0.24 0.24 0.45 0.69 0.81 0.65
25 0.39 0.21 0.36 0.42 0.59 0.48 0.24
26 0.20 0.20 0.20 0.61 0.87 0.45 0.12
27 0.32 0.25 0.25 8.20 #8.06 5.86 0.66
28 0.21 0.19 0.17 0.36 0.57 0.54 0.16
29 0.35 0.32 0.38 0.56 2.03 1.0 (n/a)
31 0.32 0.22 0.32 0.40 0.51 0.52 0.16
_______________________
#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 8 29 93 8 30 93 8 31 93 9 1 93 9 2 93 9 3 93 9 4
prn 3d rss (m)
1 5.4 5.3 5.4 4.9 5.2 5.9 4.9
2 12.0 #4.8 1636.1 21.7 12.2 9.1 10.8
3 10.6 10.1 13.8 8.7 #2.9 #3.9 13.9
7 9.5 9.0 8.4 10.5 11.0 7.8 10.5
9 4.7 5.4 6.6 6.0 4.1 7.4 3.4
12 6.1 4.2 2.9 4.0 3.9 3.0 5.1
13 8.7 6.2 6.0 6.8 5.2 7.9 4.9
14 7.0 6.5 5.4 6.3 6.5 8.1 7.3
15 3.0 6.5 7.2 5.6 4.8 8.4 7.8
16 11.4 10.0 11.1 10.6 10.9 12.3 11.4
17 6.9 5.2 12.4 3.7 8.6 10.0 11.1
18 5.8 6.6 9.8 11.1 12.6 7.0 8.7
19 6.9 5.0 3.5 3.2 3.1 3.6 3.4
20 3.7 3.7 3.9 3.2 4.1 5.5 4.7
21 7.6 10.7 8.8 10.4 10.2 10.2 9.6
22 7.3 6.4 10.0 10.7 9.7 14.0 12.9
23 6.0 9.8 16.7 16.3 22.0 23.7 28.1
24 0.0 7.1 6.3 9.6 8.1 14.8 7.2
25 4.9 4.7 6.3 7.3 7.5 8.1 9.9
26 5.5 6.4 5.4 4.3 4.2 4.7 5.2
27 5.9 6.7 6.1 6.4 #2.9 6.9 7.1
28 4.8 2.6 5.1 5.3 7.1 5.7 5.5
29 6.9 7.5 6.7 6.5 6.3 6.3 (n/a)
31 7.3 5.5 5.2 5.3 5.5 4.9 6.5
_______________________
#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 712 (1993 Aug 29 - Sep 04)
93 8 29 93 8 30 93 8 31 93 9 1 93 9 2 93 9 3 93 9 4
Fiducials 8.0 8.0 7.4 7.2 5.8 6.6 7.5
Total 38.7 36.6 36.6 36.3 27.9 31.6 30.6
END SITE SUMMARY TABLE
JPL GROUND STATION INCLUSION TABLE GPS week 712 (1993 Aug 29 - Sep 04)
93 8 29 93 8 30 93 8 31 93 9 1 93 9 2 93 9 3 93 9 4
site % data
ALBH 110 107 110 96 0 88 101
ALGO* 110 107 107 92 0 88 104
BRMU 105 70 96 107 88 57 0
DRAO 113 109 112 99 0 90 104
FAIR* 92 89 90 89 86 84 87
FORT 115 83 0 0 0 98 0
GOLD 99 97 79 85 83 84 85
GRAZ 106 87 103 94 56 87 59
HART* 105 99 104 96 96 98 100
HERS 105 101 107 106 97 98 93
HOBA 97 92 98 99 97 94 0
JPLM 112 108 111 109 102 100 104
KIRU 96 89 100 104 95 93 85
KOKB* 89 85 83 42 40 101 105
KOSG 108 98 105 106 95 96 104
KOUR 112 110 111 112 101 99 94
MADR* 105 102 109 108 97 101 106
MASP 110 104 110 108 100 102 96
MATE 97 82 89 98 87 80 0
MCMU 34 106 111 117 91 113 113
MDO1 96 101 106 105 89 0 91
METS 109 104 109 108 99 100 107
NLIB 101 100 102 102 96 91 88
NYAL 18 15 4 1 6 20 29
ONSA 111 104 111 105 98 99 107
PIE1 106 101 106 98 83 79 84
PINY 93 89 92 92 86 83 88
QUIN 85 0 27 70 33 0 0
RCM4 111 107 99 107 90 0 0
SANT* 110 107 99 106 58 0 41
STJO 109 106 110 97 0 88 100
TAIW 91 77 0 82 84 86 0
TIDB 106 0 105 104 95 98 98
TROM* 107 102 45 71 105 84 99
USUD 85 98 97 92 0 0 79
VNDP 111 108 99 109 102 100 104
WEST 0 95 110 106 98 95 101
WETT 107 102 94 0 62 94 93
YAR1* 81 107 99 111 97 100 104
YELL 113 113 110 98 0 92 107
_______________________
*Indicates fiducial site; #indicates deweighted site.
END GROUND STATION INCLUSION TABLE
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