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SLR-Report No.1203

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Date:2001-09-11 08:45:00
Sender:Ron Noomen, DEOS, Delft, The Netherlands <Ron Noomen <Ron.Noomen@lr.tudelft.nl>>
Subject:[SLR-Report] No. 1203: Delft QL Report, September 11, 2001
Author:Ron Noomen, DEOS, Delft, The Netherlands
Content:********************************************************************************
SLR Electronic Report 2001-09-11 08:45:00 UTC Message No. 1203
********************************************************************************

Author: Ron Noomen, DEOS, Delft, The Netherlands
Subject: Delft QL Report, September 11, 2001


WEGENER-2 IERS

REPORT OF THE QUICK-LOOK DATA ANALYSIS CENTER
DELFT UNIVERSITY OF TECHNOLOGY
FACULTY OF AEROSPACE ENGINEERING
THE NETHERLANDS


September 11, 2001


This is a weekly report, presenting the results of a continuing analysis of the
most recent global LAGEOS-1 and LAGEOS-2 quick-look laser ranging data. The
report consists of (A) a pass summary, (B) an overview of the analysis results,
detailed statistics of the analysed measurements, and an accumulative pass
overview and (C) the earth rotation parameter solutions submitted to IERS. The
report is based on all quick-look data as received until Mon, Sep 10, 2001.
Questions and comments should be addressed to:

K.F. Wakker
Delft University of Technology
Faculty of Aerospace Engineering
Delft Institute for Earth-Oriented Space Research
Kluyverweg 1
NL-2629 HS Delft
The Netherlands

Telephone: +31-(0)15-2782065/2785377
Telefax : +31-(0)15-2785322
E-mail : ron.noomen@deos.tudelft.nl


A. PASS SUMMARY

The table below gives an overview of the ranging data both on LAGEOS-1 and
LAGEOS-2, as received by the Quick-Look Data Analysis Center (QLDAC) on Mon,
Sep 10, 2001. All data were obtained through the NASA Crustal Dynamics Data
Information system (CDDIS) and the Eurolas Data Center (EDC) in Germany.
The data are unscreened and may span more than a week due to late reporting
by the stations.

------------------------------------------------------------------------------
Station System/Location Period No. of Passes
ID LAGEOS-1 LAGEOS-2
------------------------------------------------------------------------------
1863 Maidanak, Uzbekistan (site 1) 010808 - 010812 4 1
1873 Simeiz, Crimea, Ukraine 010904 - 010908 3 2
1884 Riga, Latvia 010909 - 010909 - 1
1893 Kazivili, Crimea, Ukraine 010904 - 010904 1 -
7080 McDonald Obs., Fort Davis, TX 010904 - 010910 11 14
7090 Yarragadee, Australia 010903 - 010910 17 11
7105 Greenbelt, Maryland 010907 - 010907 1 -
7110 Monument Peak, California 010905 - 010910 12 13
7210 Haleakala Obs., Maui, Hawaii 010905 - 010907 4 3
7237 Changchun, China 010903 - 010909 6 11
7249 Beijing, China 010905 - 010909 4 6
7339 Tateyama, Japan 010904 - 010906 2 2
7403 Arequipa, Peru (TLRS-3) 010904 - 010904 1 1
7501 Hartebeesthoek, SA (MOB-6) 010903 - 010910 10 9
7810 Zimmerwald, Switzerland 010903 - 010910 6 3
7824 San Fernando, Spain 010907 - 010907 1 -
7832 Riyad, Saudi Arabia 010703 - 010910 11 10
7835 Grasse, France 010905 - 010910 11 11
7836 Potsdam, Germany 010905 - 010905 1 1
7837 Shanghai Observatory, China 010903 - 010909 4 8
7838 Simosato Observatory, Japan 010904 - 010904 1 1
7839 Graz, Austria 010903 - 010910 5 4
7840 Herstmonceux, United Kingdom 010831 - 010910 23 16
7845 Grasse, France (LLR) 010905 - 010909 7 5
7849 Mount Stromlo, Australia 010903 - 010910 10 3
8834 Wettzell, Germany 010903 - 010903 3 2
------ ------ --- ---
TOTAL 010703 - 010910 159 138
------------------------------------------------------------------------------


B. ANALYSIS RESULTS

The analysis is based on two orbit solutions using global quick-look normal
points that cover a period of 10 days which are computed simultaneously. This
week´s data interval runs from Thu, Aug 30, 2001 to Sun, Sep 9, 2001. The
measurement and dynamic models used in this analysis are close to the IERS
Standard. The overall model is referred to as QLDACMOD9. The details of this
model can be obtained on request. The terrestrial reference frame is provided
by a special version of the SSC(DUT) 93L05 station coordinates solution.

The general statistics and results of this week´s analysis are thus:

-----------------------------------------------------------------------
Satellite LAGEOS-1 LAGEOS-2
Number of Stations 26 25
Number of Passes 182/174 176/169
Number of Normal Points 1735/1644 1979/1927
RMS of Fit (mm) 33 32
-----------------------------------------------------------------------


Residual statistics per station. The header line for each station shows
the station id, its name, whether the position is solved for or not and the
measurement accuracy in mm. Rejected observations are not used for the
calculation of the rms-of-fit, the biases or the scatter. The latter holds
w.r.t. the residual trend line described by the bias estimates. Uncertainties
are 3-sigma values.

--------------------------------------------------------------------------------
Date Time Sat. Obs. RMS Range Bias Time Bias Scatter
tot/rej (mm) (mm) (us) (mm)
--------------------------------------------------------------------------------
Station 1873 (Simeiz) (Position solved, acc. 200 mm)
1873 4 Sep 01 19:20 LAG1 10 0 58 -19 +- 259 10 +- 204 56
1873 4 Sep 01 23:35 LAG2 7 0 27 8 +- 412 -19 +- 414 23
1873 5 Sep 01 18:05 LAG1 9 0 139 27 +- 552 -19 +- 295 139
1873 8 Sep 01 17:39 LAG1 4 0 80 377 +-3541 -180 +-1632 71
1873 8 Sep 01 19:48 LAG2 4 0 92 56 +- 763 3 +-1067 74

Station 1884 (Riga) (Position fixed, acc. 100 mm)
1884 30 Aug 01 19:05 LAG1 12 0 32 -10 +- 91 -21 +- 62 5
1884 30 Aug 01 20:31 LAG2 19 0 50 -2 +- 71 31 +- 46 10
1884 31 Aug 01 00:42 LAG2 13 0 49 -51 +- 107 6 +- 86 14
1884 31 Aug 01 18:45 LAG2 12 0 27 -5 +- 93 26 +- 99 4
1884 31 Aug 01 22:42 LAG2 17 0 47 -36 +- 76 20 +- 59 6

Station 1893 (Kazivili) (Position fixed, acc. 100 mm)
1893 4 Sep 01 19:07 LAG1 12 0 78 -45 +- 126 -68 +- 84 9

Station 7080 (McDonald Obs.) (Position fixed, acc. 20 mm)
7080 30 Aug 01 16:14 LAG1 4 0 2 -20 +- 583 -10 +- 303 1
7080 30 Aug 01 23:47 LAG2 5 0 53 53 +- 138 0 +- 163 2
7080 31 Aug 01 22:12 LAG2 1 0 56 0 +- 0 0 +- 0 0
7080 1 Sep 01 01:19 LAG1 2 0 7 28 +- 510 59 +- 873 0
7080 1 Sep 01 01:44 LAG2 12 0 7 -10 +- 55 -9 +- 42 3
7080 2 Sep 01 03:13 LAG1 4 0 5 -33 +- 562 -17 +- 264 2
7080 2 Sep 01 04:29 LAG2 8 0 26 25 +- 178 0 +- 120 3
7080 2 Sep 01 07:03 LAG1 7 0 6 -10 +- 93 9 +- 102 4
7080 4 Sep 01 00:34 LAG2 3 0 33 -31 +- 619 -1 +- 408 0
7080 4 Sep 01 03:58 LAG1 6 0 19 7 +- 238 -5 +- 113 2
7080 4 Sep 01 20:11 LAG1 13 0 4 2 +- 37 0 +- 28 4
7080 4 Sep 01 22:25 LAG2 15 0 27 -27 +- 36 0 +- 33 3
7080 5 Sep 01 02:11 LAG2 6 0 25 -20 +- 394 -25 +- 215 1
7080 5 Sep 01 02:59 LAG1 5 0 28 -27 +- 138 0 +- 107 6
7080 5 Sep 01 18:43 LAG1 8 0 9 0 +- 80 5 +- 54 3
7080 6 Sep 01 00:21 LAG2 15 0 17 -12 +- 28 -9 +- 20 4
7080 6 Sep 01 01:32 LAG1 6 0 16 16 +- 46 0 +- 89 1
7080 6 Sep 01 04:59 LAG2 10 0 5 15 +- 125 -11 +- 85 3
7080 6 Sep 01 08:49 LAG2 8 0 19 -11 +- 103 5 +- 72 2
7080 6 Sep 01 22:32 LAG2 6 0 14 -4 +- 104 11 +- 124 1
7080 7 Sep 01 06:51 LAG2 5 0 6 15 +- 389 13 +- 252 2
7080 8 Sep 01 00:29 LAG2 14 0 3 1 +- 29 -1 +- 15 2
7080 8 Sep 01 02:11 LAG1 13 0 20 19 +- 30 4 +- 25 2
7080 8 Sep 01 05:18 LAG2 7 0 32 20 +- 218 -34 +- 140 2
7080 8 Sep 01 05:44 LAG1 14 0 31 -36 +- 33 14 +- 25 3
7080 8 Sep 01 09:00 LAG2 11 0 24 -23 +- 32 -8 +- 30 2
7080 8 Sep 01 22:39 LAG2 10 0 26 4 +- 34 24 +- 32 5

Station 7090 (Yarragadee) (Position fixed, acc. 10 mm)
7090 30 Aug 01 00:01 LAG2 9 0 41 -8 +- 58 -20 +- 36 5
7090 30 Aug 01 02:05 LAG1 8 0 20 -1 +- 65 -14 +- 50 2
7090 30 Aug 01 04:07 LAG2 13 0 28 -28 +- 28 14 +- 24 5
7090 30 Aug 01 17:57 LAG1 16 0 34 26 +- 25 11 +- 19 1
7090 30 Aug 01 21:17 LAG1 1 0 53 0 +- 0 0 +- 0 0
7090 30 Aug 01 22:03 LAG2 10 0 41 50 +- 38 -41 +- 36 2
7090 31 Aug 01 23:16 LAG1 2 0 48 -46 +- 154 2 +- 167 0
7090 1 Sep 01 04:27 LAG2 2 0 20 -156 +-1240 -164 +-1480 0
7090 2 Sep 01 17:18 LAG1 19 0 7 5 +- 22 2 +- 14 2
7090 2 Sep 01 20:19 LAG2 16 0 38 29 +- 28 -34 +- 21 2
7090 2 Sep 01 20:51 LAG1 3 0 33 -33 +- 55 -8 +- 340 0
7090 3 Sep 01 00:02 LAG1 6 1 29 -25 +- 153 -2 +- 122 1
7090 3 Sep 01 00:25 LAG2 13 0 21 14 +- 32 -26 +- 33 2
7090 3 Sep 01 16:07 LAG1 15 0 26 -12 +- 29 17 +- 16 4
7090 3 Sep 01 18:33 LAG2 4 0 12 8 +- 49 -23 +- 108 1
7090 3 Sep 01 19:33 LAG1 6 0 4 -4 +- 39 1 +- 100 2
7090 3 Sep 01 22:25 LAG2 8 0 54 35 +- 39 -34 +- 51 0
7090 3 Sep 01 22:45 LAG1 12 0 33 -29 +- 30 -8 +- 31 2
7090 4 Sep 01 02:18 LAG1 10 0 19 34 +- 57 -20 +- 36 3
7090 4 Sep 01 03:01 LAG2 2 0 26 1 +- 594 -22 +- 470 0
7090 4 Sep 01 21:35 LAG1 5 0 73 -70 +- 59 -12 +- 134 1
7090 5 Sep 01 00:41 LAG2 5 0 25 12 +- 52 -42 +- 140 1
7090 5 Sep 01 00:55 LAG1 4 0 17 -16 +- 48 -20 +- 142 1
7090 5 Sep 01 04:31 LAG1 4 0 37 41 +- 104 -11 +- 250 3
7090 5 Sep 01 04:50 LAG2 8 0 26 -27 +- 42 -1 +- 36 2
7090 6 Sep 01 15:21 LAG1 2 0 30 33 +-7938 23 +-2903 0
7090 6 Sep 01 20:37 LAG2 12 0 16 1 +- 33 -13 +- 28 3
7090 7 Sep 01 17:31 LAG1 14 0 17 -6 +- 25 -9 +- 15 1
7090 7 Sep 01 18:49 LAG2 17 0 55 -53 +- 23 -8 +- 23 4
7090 7 Sep 01 21:01 LAG1 5 0 13 -11 +- 43 -18 +- 134 0
7090 7 Sep 01 22:43 LAG2 25 0 41 16 +- 19 -26 +- 12 2
7090 8 Sep 01 00:15 LAG1 9 0 14 1 +- 33 -8 +- 18 1
7090 8 Sep 01 16:07 LAG1 18 0 41 -11 +- 23 18 +- 12 3
7090 8 Sep 01 19:51 LAG1 3 0 31 -30 +- 198 -2 +- 470 0
7090 8 Sep 01 20:45 LAG2 22 0 15 -7 +- 20 -6 +- 11 8
7090 8 Sep 01 22:58 LAG1 11 1 7 7 +- 32 -5 +- 37 1

Station 7105 (Greenbelt) (Position fixed, acc. 10 mm)
7105 31 Aug 01 04:05 LAG2 7 1 27 3 +- 39 30 +- 47 9
7105 7 Sep 01 16:07 LAG1 3 0 16 52 +- 299 -62 +- 288 3

Station 7110 (Monument Peak) (Position fixed, acc. 10 mm)
7110 30 Aug 01 03:47 LAG1 15 0 11 -11 +- 25 -3 +- 14 2
7110 30 Aug 01 05:39 LAG2 19 0 12 -9 +- 22 7 +- 15 1
7110 30 Aug 01 07:33 LAG1 14 0 14 18 +- 32 -11 +- 28 1
7110 30 Aug 01 10:01 LAG2 20 0 49 -41 +- 24 -7 +- 15 10
7110 30 Aug 01 20:16 LAG1 5 0 27 -38 +- 303 5 +- 140 1
7110 31 Aug 01 02:43 LAG1 10 0 12 -10 +- 40 -1 +- 26 0
7110 31 Aug 01 03:45 LAG2 16 0 13 -15 +- 28 5 +- 18 3
7110 31 Aug 01 05:55 LAG1 8 0 12 -11 +- 83 0 +- 40 0
7110 31 Aug 01 12:15 LAG2 12 0 43 -40 +- 37 -4 +- 32 2
7110 1 Sep 01 02:27 LAG2 2 0 38 836 +-9999 -360 +-4503 0
7110 1 Sep 01 04:33 LAG1 15 0 17 -14 +- 31 2 +- 17 1
7110 1 Sep 01 05:51 LAG2 10 0 18 -23 +- 44 -6 +- 40 1
7110 3 Sep 01 05:21 LAG1 5 0 33 -69 +- 528 -14 +- 207 0
7110 5 Sep 01 06:17 LAG1 2 0 12 15 +-2447 1 +-1248 0
7110 5 Sep 01 06:29 LAG2 8 0 45 -20 +- 36 -20 +- 21 2
7110 5 Sep 01 10:41 LAG2 7 1 33 -41 +- 51 -14 +- 45 2
7110 6 Sep 01 04:45 LAG1 17 0 12 -9 +- 23 1 +- 10 5
7110 6 Sep 01 08:39 LAG2 14 0 31 -34 +- 28 -8 +- 19 7
7110 6 Sep 01 12:55 LAG2 7 1 25 22 +- 43 14 +- 114 2
7110 7 Sep 01 03:27 LAG1 17 0 32 -6 +- 25 -15 +- 13 8
7110 7 Sep 01 06:35 LAG2 13 0 21 -14 +- 27 -12 +- 17 2
7110 7 Sep 01 10:49 LAG2 8 0 26 -43 +- 108 -12 +- 70 1
7110 7 Sep 01 19:57 LAG1 7 0 25 -13 +- 241 -5 +- 102 1
7110 8 Sep 01 01:04 LAG2 2 0 59 -69 +-2196 4 +-1131 0
7110 8 Sep 01 02:23 LAG1 7 0 11 -10 +- 37 11 +- 60 0
7110 8 Sep 01 04:41 LAG2 14 0 35 13 +- 25 -39 +- 30 1
7110 8 Sep 01 05:37 LAG1 12 0 34 -19 +- 28 15 +- 14 8
7110 8 Sep 01 08:52 LAG2 10 1 21 -68 +- 103 -41 +- 62 2
7110 8 Sep 01 18:15 LAG1 6 0 8 -2 +- 87 5 +- 73 0

Station 7210 (Haleakala Obs.) (Position fixed, acc. 20 mm)
7210 30 Aug 01 05:02 LAG2 18 0 23 3 +- 25 14 +- 17 10
7210 5 Sep 01 06:03 LAG2 13 0 38 37 +- 30 -12 +- 40 5
7210 5 Sep 01 06:35 LAG1 2 0 8 -19 +- 199 99 +-1513 0
7210 6 Sep 01 03:55 LAG2 19 0 51 51 +- 25 0 +- 20 6
7210 6 Sep 01 05:15 LAG1 6 0 41 41 +- 64 0 +- 86 6
7210 6 Sep 01 08:17 LAG2 11 0 20 18 +- 32 -6 +- 35 3
7210 6 Sep 01 09:01 LAG1 4 0 1 27 +-1390 -10 +- 518 0
7210 7 Sep 01 07:25 LAG1 7 0 14 32 +- 115 -16 +- 58 8

Station 7237 (Changchun) (Position fixed, acc. 50 mm)
7237 30 Aug 01 11:23 LAG1 8 0 9 20 +- 308 11 +- 135 6
7237 30 Aug 01 17:09 LAG2 16 0 22 2 +- 43 -13 +- 27 7
7237 31 Aug 01 11:05 LAG2 12 0 31 16 +- 61 -13 +- 43 4
7237 31 Aug 01 13:35 LAG1 6 0 29 17 +- 481 21 +- 218 4
7237 31 Aug 01 15:25 LAG2 12 0 15 7 +- 55 -10 +- 38 7
7237 31 Aug 01 19:27 LAG2 16 0 24 20 +- 50 -18 +- 39 9
7237 1 Sep 01 12:11 LAG1 6 0 33 -55 +- 588 -10 +- 238 15
7237 1 Sep 01 13:29 LAG2 10 0 19 -9 +- 60 -11 +- 54 4
7237 1 Sep 01 17:35 LAG2 18 0 19 16 +- 51 -14 +- 33 7
7237 2 Sep 01 11:01 LAG1 5 0 43 -44 +- 202 -1 +- 175 4
7237 2 Sep 01 11:21 LAG2 10 0 32 10 +- 55 -25 +- 47 10
7237 2 Sep 01 14:33 LAG1 11 0 41 41 +- 52 -2 +- 52 5
7237 2 Sep 01 15:33 LAG2 13 0 24 22 +- 48 -3 +- 33 10
7237 2 Sep 01 19:47 LAG2 13 0 30 42 +- 82 -13 +- 62 6
7237 3 Sep 01 13:03 LAG1 11 0 18 7 +- 66 12 +- 40 7
7237 3 Sep 01 13:45 LAG2 13 0 15 2 +- 63 -14 +- 56 5
7237 3 Sep 01 17:47 LAG2 14 0 14 13 +- 49 0 +- 34 5
7237 4 Sep 01 11:39 LAG2 7 0 23 -6 +- 68 -16 +- 55 3
7237 4 Sep 01 11:43 LAG1 10 0 17 -11 +- 61 2 +- 36 10
7237 4 Sep 01 15:45 LAG2 4 0 11 84 +- 998 43 +- 546 7
7237 6 Sep 01 11:51 LAG2 17 0 27 21 +- 42 -14 +- 35 6
7237 6 Sep 01 12:27 LAG1 8 0 13 3 +- 88 5 +- 40 9
7237 6 Sep 01 15:53 LAG2 13 0 19 9 +- 49 10 +- 27 5
7237 6 Sep 01 20:03 LAG2 5 0 62 67 +- 109 10 +- 129 9
7237 7 Sep 01 11:07 LAG1 12 0 7 -3 +- 54 -2 +- 29 5
7237 7 Sep 01 14:13 LAG2 6 0 22 14 +- 86 -19 +- 176 5
7237 8 Sep 01 16:16 LAG2 15 0 10 8 +- 47 -2 +- 35 6

Station 7249 (Beijing) (Position solved, acc. 50 mm)
7249 30 Aug 01 11:45 LAG1 9 0 27 -7 +- 102 -12 +- 75 15
7249 30 Aug 01 13:07 LAG2 12 0 19 -11 +- 54 12 +- 52 14
7249 30 Aug 01 15:09 LAG1 10 0 43 40 +- 55 -1 +- 62 15
7249 30 Aug 01 17:13 LAG2 12 0 42 44 +- 59 11 +- 56 16
7249 31 Aug 01 11:25 LAG2 5 0 22 13 +- 358 7 +- 267 4
7249 31 Aug 01 13:39 LAG1 11 0 28 0 +- 54 20 +- 42 10
7249 31 Aug 01 15:15 LAG2 14 0 33 9 +- 46 20 +- 40 19
7249 31 Aug 01 19:17 LAG2 17 0 13 -8 +- 44 -4 +- 33 10
7249 1 Sep 01 12:21 LAG1 8 0 27 -19 +- 91 7 +- 79 6
7249 1 Sep 01 13:21 LAG2 11 0 25 -22 +- 52 0 +- 71 11
7249 1 Sep 01 17:33 LAG2 13 0 9 -2 +- 50 -6 +- 48 6
7249 5 Sep 01 13:45 LAG2 8 0 7 -6 +- 71 -4 +- 66 5
7249 5 Sep 01 14:09 LAG1 5 0 32 -30 +- 144 0 +- 131 10
7249 5 Sep 01 18:01 LAG2 5 0 8743 -9 +- 182 -9975 +- 207 2
7249 8 Sep 01 12:15 LAG2 6 0 82004 29 +- 114 109985 +- 119 9
7249 8 Sep 01 13:23 LAG1 8 0 22620 -11 +- 88 20011 +- 78 6
7249 8 Sep 01 16:10 LAG2 15 0 12 -1 +- 45 3 +- 36 11

Station 7339 (Tateyama) (Position fixed, acc. 20 mm)
7339 4 Sep 01 23:58 LAG1 3 0 3 39 +- 987 21 +- 492 0
7339 5 Sep 01 05:53 LAG2 3 0 49 55 +- 70 -25 +- 100 3
7339 5 Sep 01 10:22 LAG1 6 0 37 -23 +- 52 -17 +- 48 4
7339 6 Sep 01 07:47 LAG2 4 0 83 36 +- 476 -29 +- 294 5

Station 7403 (Arequipa) (Position solved, acc. 10 mm)
7403 3 Sep 01 04:53 LAG1 8 0 9 -4 +- 46 6 +- 48 1
7403 4 Sep 01 03:27 LAG1 12 0 5 2 +- 28 0 +- 12 4
7403 4 Sep 01 09:38 LAG2 3 0 24 16 +- 401 3 +- 218 8

Station 7501 (Hartebeesthoek) (Position fixed, acc. 10 mm)
7501 31 Aug 01 13:49 LAG2 23 0 12 -8 +- 20 5 +- 12 5
7501 31 Aug 01 20:21 LAG1 18 0 54 -4 +- 23 26 +- 11 3
7501 1 Sep 01 10:26 LAG1 5 0 8 36 +- 285 -27 +- 195 4
7501 1 Sep 01 11:57 LAG2 14 0 9 6 +- 32 0 +- 29 5
7501 2 Sep 01 14:07 LAG2 20 0 9 -7 +- 21 0 +- 16 4
7501 3 Sep 01 16:25 LAG2 8 0 13 -13 +- 39 0 +- 103 3
7501 3 Sep 01 19:51 LAG1 22 0 40 -23 +- 20 19 +- 11 8
7501 4 Sep 01 10:19 LAG2 3 0 7 -6 +- 643 0 +- 592 1
7501 4 Sep 01 14:23 LAG2 11 0 8 8 +- 32 5 +- 35 2
7501 4 Sep 01 18:35 LAG1 15 0 41 -41 +- 25 5 +- 22 9
7501 5 Sep 01 20:37 LAG1 19 0 30 -24 +- 22 10 +- 11 11
7501 6 Sep 01 06:19 LAG2 13 0 4 -6 +- 36 4 +- 37 2
7501 6 Sep 01 07:13 LAG1 6 0 28 10 +- 415 -15 +- 162 1
7501 6 Sep 01 10:24 LAG2 22 1 16 -14 +- 21 5 +- 19 3
7501 6 Sep 01 14:29 LAG2 24 0 43 5 +- 19 32 +- 15 3
7501 6 Sep 01 19:15 LAG1 21 0 16 15 +- 20 -2 +- 11 1
7501 7 Sep 01 08:39 LAG2 15 0 12 1 +- 32 12 +- 33 2
7501 7 Sep 01 09:17 LAG1 4 0 70 -58 +- 308 -7 +- 195 1
7501 7 Sep 01 12:39 LAG2 4 0 13 -53 +- 605 -22 +- 325 4
7501 7 Sep 01 18:11 LAG1 8 0 28 25 +- 44 6 +- 73 1
7501 7 Sep 01 21:27 LAG1 22 0 26 -25 +- 20 0 +- 11 8
7501 8 Sep 01 20:09 LAG1 14 0 21 4 +- 25 9 +- 12 2

Station 7806 (Metsahovi) (Position fixed, acc. 30 mm)
7806 30 Aug 01 20:36 LAG2 19 0 22 -20 +- 30 8 +- 21 11

Station 7810 (Zimmerwald) (Position fixed, acc. 60 mm)
7810 2 Sep 01 11:50 LAG1 4 0 43 -30 +- 126 -25 +- 183 3
7810 2 Sep 01 22:03 LAG1 13 0 78 24 +- 67 -45 +- 40 43
7810 2 Sep 01 22:43 LAG2 22 0 45 -18 +- 43 26 +- 25 3
7810 3 Sep 01 02:51 LAG2 22 0 82 -80 +- 42 -9 +- 29 8
7810 3 Sep 01 10:17 LAG1 12 0 12 -11 +- 58 -2 +- 32 3
7810 3 Sep 01 13:53 LAG1 13 0 35 -28 +- 63 -7 +- 47 3
7810 3 Sep 01 16:57 LAG2 7 0 20 -17 +- 80 6 +- 77 2
7810 3 Sep 01 17:11 LAG1 6 0 8 -8 +- 85 0 +- 45 1
7810 3 Sep 01 20:47 LAG1 6 0 43 -43 +- 86 0 +- 106 3
7810 3 Sep 01 20:55 LAG2 8 0 43 -25 +- 125 16 +- 105 1

Station 7811 (Borowiec) (Position fixed, acc. 60 mm)
7811 30 Aug 01 19:09 LAG1 8 0 32 -4 +- 77 -37 +- 87 3
7811 30 Aug 01 20:37 LAG2 13 0 40 -2 +- 55 40 +- 56 5
7811 31 Aug 01 00:37 LAG2 16 0 42 -28 +- 50 22 +- 41 9

Station 7824 (San Fernando) (Position fixed, acc. 40 mm)
7824 7 Sep 01 22:12 LAG1 1 0 460807460807 +- 0 0 +- 0 0

Station 7832 (Riyad) (Position fixed, acc. 20 mm)
7832 1 Sep 01 05:59 LAG1 14 0 19 -18 +- 29 -1 +- 20 4
7832 1 Sep 01 09:33 LAG1 14 0 20 19 +- 30 2 +- 23 2
7832 1 Sep 01 12:31 LAG2 14 0 25 2 +- 52 -18 +- 41 2
7832 1 Sep 01 16:01 LAG1 13 0 18 -3 +- 33 13 +- 29 6
7832 2 Sep 01 08:05 LAG1 8 0 15 1 +- 119 -7 +- 63 3
7832 2 Sep 01 14:35 LAG2 26 0 27 -22 +- 21 2 +- 13 15
7832 3 Sep 01 06:43 LAG1 19 1 10 7 +- 25 -3 +- 14 3
7832 3 Sep 01 10:17 LAG1 13 0 17 14 +- 29 8 +- 28 3
7832 3 Sep 01 12:43 LAG2 18 0 17 10 +- 27 -4 +- 17 9
7832 3 Sep 01 17:05 LAG2 10 0 23 -22 +- 34 1 +- 63 1
7832 4 Sep 01 08:55 LAG1 15 0 24 9 +- 28 -15 +- 20 1
7832 4 Sep 01 14:55 LAG2 21 0 23 -19 +- 23 5 +- 17 8
7832 4 Sep 01 15:39 LAG1 10 0 15 8 +- 40 10 +- 45 3
7832 5 Sep 01 07:29 LAG1 15 0 25 2 +- 28 -11 +- 13 6
7832 5 Sep 01 12:59 LAG2 17 0 28 -32 +- 31 -10 +- 24 6
7832 8 Sep 01 06:55 LAG1 14 0 7 -1 +- 38 2 +- 23 4
7832 8 Sep 01 10:29 LAG1 13 0 29 -25 +- 30 11 +- 31 2
7832 8 Sep 01 11:31 LAG2 10 0 15 -15 +- 36 -2 +- 61 4
7832 8 Sep 01 15:21 LAG2 23 0 24 16 +- 22 14 +- 17 5

Station 7835 (Grasse) (Position fixed, acc. 30 mm)
7835 30 Aug 01 18:53 LAG1 16 0 32 -21 +- 36 -18 +- 18 4
7835 30 Aug 01 22:26 LAG1 7 0 36 5 +- 63 -18 +- 28 1
7835 31 Aug 01 10:55 LAG1 6 0 35 -23 +- 111 10 +- 83 1
7835 31 Aug 01 14:39 LAG1 2 0 20 -31 +- 764 55 +- 826 0
7835 31 Aug 01 17:45 LAG1 11 0 32 -22 +- 40 14 +- 37 1
7835 31 Aug 01 18:18 LAG2 3 0 12 -209 +-3466 -91 +-1436 0
7835 31 Aug 01 21:33 LAG1 7 0 11 -35 +- 196 13 +- 101 0
7835 31 Aug 01 23:01 LAG2 5 0 8 -28 +- 244 18 +- 202 1
7835 1 Sep 01 17:13 LAG2 1 0 19 0 +- 0 0 +- 0 0
7835 1 Sep 01 21:07 LAG2 5 0 8 -31 +- 317 14 +- 190 0
7835 2 Sep 01 01:07 LAG2 11 0 27 -34 +- 82 5 +- 49 1
7835 5 Sep 01 18:07 LAG1 6 0 18 -20 +- 58 9 +- 61 3
7835 5 Sep 01 21:17 LAG2 7 0 24 -28 +- 67 -10 +- 100 1
7835 5 Sep 01 21:43 LAG1 4 0 38 -36 +- 167 -2 +- 192 3
7835 6 Sep 01 15:17 LAG2 8 0 21 -12 +- 54 16 +- 78 3
7835 6 Sep 01 19:39 LAG2 5 0 5 -36 +- 421 22 +- 249 0
7835 6 Sep 01 20:31 LAG1 5 0 61 -57 +- 584 -1 +- 235 1
7835 6 Sep 01 23:15 LAG2 13 0 38 -25 +- 37 12 +- 23 3
7835 7 Sep 01 00:01 LAG1 4 0 59 -51 +- 271 -11 +- 367 2
7835 7 Sep 01 12:14 LAG1 1 0 43 0 +- 0 0 +- 0 0
7835 7 Sep 01 17:29 LAG2 1 0 19 0 +- 0 0 +- 0 0
7835 7 Sep 01 18:31 LAG1 11 0 41 -26 +- 157 -28 +- 66 2
7835 7 Sep 01 21:22 LAG2 4 0 8 -25 +- 724 -19 +- 416 1
7835 7 Sep 01 22:11 LAG1 13 0 42 -46 +- 39 -18 +- 25 9
7835 8 Sep 01 15:27 LAG2 3 0 14 6 +- 76 11 +- 59 2
7835 8 Sep 01 17:47 LAG1 7 0 4 -14 +- 298 5 +- 133 1
7835 8 Sep 01 19:21 LAG2 24 0 10 -9 +- 26 3 +- 15 1
7835 8 Sep 01 20:55 LAG1 15 0 37 -31 +- 36 -4 +- 18 6
7835 8 Sep 01 23:25 LAG2 8 0 29 -29 +- 50 0 +- 32 3

Station 7836 (Potsdam) (Position fixed, acc. 30 mm)
7836 30 Aug 01 02:37 LAG2 10 0 20 -20 +- 42 2 +- 54 4
7836 30 Aug 01 20:41 LAG2 3 0 17 57 +- 259 75 +- 395 0
7836 5 Sep 01 21:15 LAG2 8 0 10 -9 +- 94 0 +- 83 2
7836 5 Sep 01 21:35 LAG1 9 0 29 -31 +- 47 -4 +- 57 4

Station 7837 (Shanghai Observatory) (Position fixed, acc. 50 mm)
7837 30 Aug 01 15:01 LAG1 3 0 48 53 +-1009 78 +- 788 0
7837 1 Sep 01 12:19 LAG1 5 0 73 -54 +- 164 22 +- 174 3
7837 1 Sep 01 13:33 LAG2 11 0 19 -35 +- 118 25 +- 100 11
7837 1 Sep 01 17:39 LAG2 12 0 58 -47 +- 53 -18 +- 48 7
7837 2 Sep 01 11:01 LAG1 9 0 40 -37 +- 59 19 +- 72 16
7837 2 Sep 01 11:23 LAG2 15 0 41 -51 +- 67 13 +- 46 13
7837 2 Sep 01 14:31 LAG1 11 0 72 -88 +- 66 32 +- 49 17
7837 2 Sep 01 15:31 LAG2 15 0 21 -17 +- 46 0 +- 40 11
7837 2 Sep 01 19:49 LAG2 17 0 104 -90 +- 57 -11 +- 37 8
7837 3 Sep 01 12:59 LAG1 9 0 2563 -2545 +- 114 13 +- 72 3
7837 3 Sep 01 13:37 LAG2 10 0 2468 -2466 +- 56 11 +- 98 5
7837 3 Sep 01 17:49 LAG2 6 0 47 -80 +- 218 -29 +- 174 7
7837 6 Sep 01 12:36 LAG1 1 0 71 0 +- 0 0 +- 0 0
7837 7 Sep 01 14:13 LAG2 2 1 1302 0 +- 0 0 +- 0 0
7837 7 Sep 01 18:15 LAG2 7 0 54 -87 +- 186 -28 +- 139 7
7837 8 Sep 01 12:15 LAG2 9 0 13 16 +- 96 -7 +- 116 5
7837 8 Sep 01 13:29 LAG1 2 0 90 -82 +- 416 -40 +-2006 0
7837 8 Sep 01 16:17 LAG2 14 0 29 -32 +- 53 -17 +- 47 8

Station 7838 (Simosato Observatory) (Position fixed, acc. 30 mm)
7838 4 Sep 01 11:31 LAG1 8 0 16 -30 +- 175 -21 +- 83 3
7838 4 Sep 01 16:05 LAG2 5 0 7 -2 +- 79 8 +- 150 3

Station 7839 (Graz) (Position fixed, acc. 10 mm)
7839 30 Aug 01 00:03 LAG1 12 0 29 -3 +- 27 -31 +- 29 1
7839 30 Aug 01 02:19 LAG2 8 0 16 -7 +- 76 6 +- 54 0
7839 30 Aug 01 08:41 LAG1 5 0 7 4 +- 68 -4 +- 84 1
7839 30 Aug 01 12:05 LAG1 18 0 34 19 +- 22 -15 +- 13 3
7839 30 Aug 01 15:29 LAG1 14 0 38 21 +- 33 -13 +- 20 2
7839 30 Aug 01 16:30 LAG2 17 0 53 55 +- 23 -6 +- 21 2
7839 3 Sep 01 10:13 LAG1 20 0 29 25 +- 21 5 +- 12 4
7839 3 Sep 01 16:41 LAG2 19 0 19 19 +- 22 0 +- 12 2
7839 3 Sep 01 17:05 LAG1 12 0 29 28 +- 27 9 +- 20 1
7839 3 Sep 01 20:31 LAG1 15 0 4 0 +- 25 0 +- 12 4
7839 3 Sep 01 20:51 LAG2 18 0 24 10 +- 22 11 +- 11 2
7839 4 Sep 01 00:25 LAG1 12 0 43 -46 +- 29 21 +- 56 3
7839 4 Sep 01 00:53 LAG2 19 0 12 -8 +- 23 2 +- 10 4

Station 7840 (Herstmonceux) (Position fixed, acc. 20 mm)
7840 31 Aug 01 14:33 LAG1 9 0 23 18 +- 52 4 +- 43 2
7840 31 Aug 01 17:45 LAG1 15 0 16 0 +- 28 10 +- 18 2
7840 31 Aug 01 18:37 LAG2 17 0 13 10 +- 29 3 +- 22 2
7840 31 Aug 01 21:13 LAG1 16 0 15 5 +- 27 8 +- 17 1
7840 31 Aug 01 22:29 LAG2 21 0 17 6 +- 23 9 +- 15 3
7840 1 Sep 01 02:35 LAG2 16 0 22 -23 +- 29 -12 +- 23 1
7840 1 Sep 01 09:27 LAG1 10 0 5 0 +- 36 0 +- 34 5
7840 1 Sep 01 13:07 LAG1 9 0 16 16 +- 40 -7 +- 21 3
7840 1 Sep 01 16:31 LAG1 8 0 22 22 +- 51 0 +- 53 2
7840 1 Sep 01 16:47 LAG2 8 0 26 25 +- 38 -5 +- 47 4
7840 1 Sep 01 19:57 LAG1 12 0 5 3 +- 31 -2 +- 21 2
7840 1 Sep 01 20:57 LAG2 7 0 28 11 +- 79 10 +- 50 3
7840 4 Sep 01 09:01 LAG1 2 0 41 36 +- 421 -15 +-1341 0
7840 4 Sep 01 12:31 LAG1 10 0 21 20 +- 34 -2 +- 26 2
7840 4 Sep 01 15:55 LAG1 5 0 24 28 +- 96 3 +- 70 2
7840 4 Sep 01 18:58 LAG2 10 0 10 -9 +- 35 0 +- 22 3
7840 4 Sep 01 19:26 LAG1 4 0 12 -13 +- 59 -2 +- 56 1
7840 6 Sep 01 13:10 LAG1 11 0 9 -9 +- 53 -8 +- 33 1
7840 6 Sep 01 15:35 LAG2 3 0 9 -8 +- 294 33 +- 580 2
7840 6 Sep 01 16:41 LAG1 8 0 24 13 +- 39 -12 +- 20 1
7840 6 Sep 01 20:04 LAG1 6 0 41 -14 +- 252 -25 +- 114 3
7840 6 Sep 01 23:13 LAG2 20 0 26 6 +- 24 17 +- 15 3
7840 6 Sep 01 23:57 LAG1 6 0 48 -48 +- 44 -6 +- 123 1
7840 7 Sep 01 21:15 LAG2 8 0 3 7 +- 205 5 +- 109 2
7840 8 Sep 01 13:59 LAG1 18 0 18 -17 +- 25 3 +- 15 1
7840 8 Sep 01 17:33 LAG1 8 0 22 25 +- 43 -4 +- 23 3
7840 8 Sep 01 19:49 LAG2 9 0 30 23 +- 147 3 +- 82 1
7840 8 Sep 01 21:07 LAG1 6 0 21 -20 +- 44 -4 +- 70 5
7840 8 Sep 01 23:25 LAG2 14 0 15 7 +- 30 11 +- 21 2

Station 7845 (Grasse) (Position fixed, acc. 20 mm)
7845 30 Aug 01 08:33 LAG1 8 0 59 -73 +- 161 -9 +- 100 3
7845 5 Sep 01 10:55 LAG1 24 0 53 -7 +- 22 20 +- 9 16
7845 5 Sep 01 18:00 LAG1 17 0 20 -22 +- 31 10 +- 17 6
7845 5 Sep 01 21:05 LAG2 24 0 23 -19 +- 22 -1 +- 14 11
7845 6 Sep 01 01:15 LAG2 18 0 39 -33 +- 25 10 +- 18 8
7845 6 Sep 01 13:07 LAG1 26 0 47 -45 +- 21 4 +- 10 15
7845 6 Sep 01 15:15 LAG2 21 0 19 0 +- 26 14 +- 20 5
7845 6 Sep 01 16:31 LAG1 25 0 23 -6 +- 22 -8 +- 11 14
7845 7 Sep 01 12:01 LAG1 19 0 39 -45 +- 34 7 +- 17 13
7845 7 Sep 01 15:23 LAG1 12 0 21 -12 +- 33 -8 +- 22 5
7845 7 Sep 01 17:13 LAG2 22 0 18 -12 +- 24 4 +- 13 13
7845 7 Sep 01 18:38 LAG1 18 0 33 0 +- 25 -16 +- 12 7

Station 7849 (Mount Stromlo) (Position fixed, acc. 10 mm)
7849 30 Aug 01 00:12 LAG2 8 0 21 -19 +- 36 4 +- 49 3
7849 30 Aug 01 01:46 LAG1 11 0 24 -10 +- 29 -16 +- 23 3
7849 30 Aug 01 10:41 LAG1 2 0 20 -212 +-1460 -147 +-1111 0
7849 30 Aug 01 14:15 LAG1 13 0 11 -5 +- 27 -4 +- 14 4
7849 30 Aug 01 17:47 LAG1 3 0 19 20 +- 60 -8 +- 105 0
7849 31 Aug 01 02:25 LAG2 11 0 14 -10 +- 28 11 +- 34 4
7849 31 Aug 01 06:31 LAG2 12 0 32 -35 +- 30 13 +- 27 5
7849 2 Sep 01 23:45 LAG1 18 0 17 10 +- 22 -6 +- 12 5
7849 3 Sep 01 04:45 LAG2 10 0 18 -33 +- 64 -13 +- 48 2
7849 3 Sep 01 12:19 LAG1 5 0 15 -9 +- 204 4 +- 129 1
7849 3 Sep 01 15:45 LAG1 14 0 15 -5 +- 27 -13 +- 22 5
7849 5 Sep 01 13:03 LAG1 9 0 8 -1 +- 32 -4 +- 20 4
7849 5 Sep 01 16:38 LAG1 3 0 9 4 +- 230 -4 +- 269 5
7849 6 Sep 01 03:27 LAG2 5 0 14 -6 +- 129 15 +- 99 4
7849 6 Sep 01 11:43 LAG1 12 0 22 20 +- 30 -3 +- 23 4
7849 8 Sep 01 12:37 LAG1 12 0 13 4 +- 27 10 +- 23 2
7849 8 Sep 01 16:05 LAG1 5 1 28 -24 +- 100 7 +- 148 3

Station 8834 (Wettzell) (Position fixed, acc. 10 mm)
8834 30 Aug 01 08:33 LAG1 9 0 69 -88 +- 69 -18 +- 56 3
8834 30 Aug 01 12:17 LAG1 5 0 38 -52 +- 78 -21 +- 94 1
8834 30 Aug 01 19:01 LAG1 17 0 64 -56 +- 23 -19 +- 14 12
8834 30 Aug 01 20:31 LAG2 12 0 56 -46 +- 27 18 +- 16 5
8834 2 Sep 01 18:53 LAG2 8 0 81 -80 +- 42 2 +- 48 4
8834 3 Sep 01 10:21 LAG1 8 0 65 -63 +- 33 7 +- 30 17
8834 3 Sep 01 13:49 LAG1 2 0 54 -49 +- 208 4 +- 172 0
8834 3 Sep 01 16:45 LAG2 19 0 51 -48 +- 22 -2 +- 12 14
8834 3 Sep 01 20:51 LAG1 9 0 77 -86 +- 43 13 +- 37 5
8834 3 Sep 01 21:37 LAG2 4 0 24 -190 +-1414 69 +- 588 2
--------------------------------------------------------------------------------





C. EARTH ROTATION PARAMETER SOLUTIONS FOR IERS

The following solutions for the polar motion and the UT1-UTC time difference
were also obtained in the 10-day data arc analysis described in the previous
section. Only solutions submitted to IERS are presented here.

--------------------------------------------------------------
DATE X Y UT1-UTC
(YYMMDD.D) (MAS) (MAS) (MS)
--------------------------------------------------------------
010903.0 155.1 +/- 0.1 147.2 +/- 0.1 -32028.70 +/- 0.01
010906.0 145.3 +/- 0.1 141.4 +/- 0.1 -32030.08 +/- 0.01
--------------------------------------------------------------



D. COMMENTS

1. This is a QLDAC analysis report in a new style. Although our old report
served quite well for observation campaigns, we have received many requests
to adjust our report to the current situation (i.e. a permanent global SLR
network with few mobile systems), and to spend more attention to the quality
of the data taken by the global network.
The most important element of the report is the table with statistics for
each individual data pass. Although the numbers will speak for themselves,
we must give a warning here that some of you may be disappointed to see that
their station appears to be suffering from a data problem. However, we are
using a model for station positions that is already 7 years old, and which
may be responsible for errors in the station position in the order of 1-5 cm.
We intend to introduce a new coordinates solution in the course of this
millennium.
Readers of this report are invited to provide us suggestions for further
improvements.

2. The results for the Chinese system TROS, now located at Lhasa (station 7356),
are based on preliminary coordinates, which may explain the possibly large
residuals.


”/DGFI3/home/slreport/mbox” complete
From: Ron Noomen

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