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SLR-Report No.522

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Date:2000-11-21 09:45:00
Sender:Ron Noomen, DEOS, Delft, The Netherlands <Ron Noomen <Ron.Noomen@lr.tudelft.nl>>
Subject:[SLR-Report] No. 522: Delft QL Report Week 47, 2000
Author:Ron Noomen, DEOS, Delft, The Netherlands
Content:********************************************************************************
SLR Electronic Report 2000-11-21 09:45:00 UTC Message No. 522
********************************************************************************

Author: Ron Noomen, DEOS, Delft, The Netherlands
Subject: Delft QL Report Week 47, 2000


WEGENER-2 IERS


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


WEEK 47, 2000


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, Nov 20, 2000.
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, received by the Quick-Look Data Analysis Center (QLDAC) on Tue,
Nov 21, 2000. All data were obtained through 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
------------------------------------------------------------------------------
1864 Maidanak, Uzbekistan (site 2) 001112 - 001119 3 3
1873 Simeiz, Crimea, Ukraine 001117 - 001118 2 2
1893 Kazivili, Crimea, Ukraine 001116 - 001117 3 2
7080 McDonald Obs., Fort Davis, TX 001114 - 001120 2 2
7090 Yarragadee, Australia 001113 - 001120 16 14
7105 Greenbelt, Maryland 001115 - 001120 14 9
7110 Monument Peak, California 001112 - 001120 18 15
7237 Changchun, China 001114 - 001118 2 2
7249 Beijing, China 001114 - 001119 5 2
7403 Arequipa, Peru (TLRS-3) 001115 - 001117 3 2
7501 Hartebeesthoek, SA (MOB-6) 001115 - 001116 3 2
7810 Zimmerwald, Switzerland 001118 - 001118 1 1
7811 Borowiec, Poland 001117 - 001117 - 1
7820 Kunming, China 001113 - 001117 4 5
7824 San Fernando, Spain 001114 - 001119 4 4
7836 Potsdam, Germany 001116 - 001119 4 2
7838 Simosato Observatory, Japan 001115 - 001118 5 4
7839 Graz, Austria 001111 - 001113 5 3
7840 Herstmonceux, United Kingdom 001113 - 001120 11 6
7849 Mount Stromlo, Australia 001117 - 001117 1 1
7939 Matera, Italy 001115 - 001115 1 -
8834 Wettzell, Germany 001111 - 001111 - 1
------ ------ --- ---
TOTAL 001111 - 001120 107 83
------------------------------------------------------------------------------


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, Nov 9, 2000, to Sat, Nov 18, 2000. 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 25 25
Number of Passes 158/157 121/121
Number of Normal Points 1536/1503 1329/1319
RMS of Fit (mm) 41 33
-----------------------------------------------------------------------


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. Bias
uncertainties are 3 sigma values.

--------------------------------------------------------------------------------
Date Time Sat. Obs. RMS Range Bias Time Bias Scatter
tot/rej (mm) (mm) (us) (mm)
--------------------------------------------------------------------------------
Station 1864 (Maidanak) (Position fixed, acc. 200 mm)
1864 12 Nov 00 21:09 Lag1 5 0 25 38 +- 465 28 +- 575 9
1864 13 Nov 00 00:17 Lag2 4 0 16 6 +- 362 -36 +- 989 12
1864 17 Nov 00 21:24 Lag1 5 0 17 1 +- 334 -26 +- 584 5
1864 17 Nov 00 22:42 Lag2 8 0 27 -18 +- 227 19 +- 185 12
1864 18 Nov 00 19:57 Lag1 4 0 20 -45 +-1600 -30 +- 916 16

Station 1873 (Simeiz) (Position solved, acc. 200 mm)
1873 17 Nov 00 21:28 Lag1 3 0 56 -46 +-1605 -79 +-1259 6
1873 17 Nov 00 22:49 Lag2 7 0 58 119 +-1070 -91 +- 594 20
1873 18 Nov 00 01:05 Lag1 7 0 225 143 +- 400 -175 +- 392 200
1873 18 Nov 00 02:28 Lag2 6 0 59 159 +-1071 107 +- 687 44

Station 1893 (Kazivili) (Position solved, acc. 100 mm)
1893 16 Nov 00 00:17 Lag1 6 0 58 -61 +- 162 6 +- 235 3
1893 16 Nov 00 02:13 Lag2 11 0 21 -22 +- 160 -26 +- 123 6
1893 16 Nov 00 22:49 Lag1 7 0 21 19 +- 186 0 +- 181 7
1893 17 Nov 00 21:23 Lag1 6 0 68 53 +- 482 -8 +- 282 4
1893 17 Nov 00 22:44 Lag2 6 0 62 46 +- 375 -78 +- 291 18

Station 7080 (McDonald Obs.) (Position fixed, acc. 20 mm)
7080 9 Nov 00 15:08 Lag2 15 0 40 9 +- 52 -32 +- 36 5
7080 10 Nov 00 05:52 Lag1 5 0 5 -10 +- 400 2 +- 177 2
7080 10 Nov 00 08:42 Lag2 14 0 13 -13 +- 29 0 +- 24 2
7080 10 Nov 00 09:16 Lag1 7 0 16 35 +- 160 -11 +- 89 2
7080 10 Nov 00 13:00 Lag2 17 0 16 21 +- 34 -10 +- 28 3
7080 10 Nov 00 19:25 Lag1 5 0 22 -35 +- 168 12 +- 153 0
7080 11 Nov 00 04:13 Lag1 4 0 11 -14 +- 80 -15 +- 234 1
7080 11 Nov 00 06:50 Lag2 3 0 40 -40 +- 642 0 +- 437 0
7080 12 Nov 00 17:19 Lag2 13 0 10 1 +- 35 -7 +- 29 3
7080 12 Nov 00 20:05 Lag1 7 0 40 -36 +- 42 -22 +- 108 6
7080 14 Nov 00 17:33 Lag1 4 0 28 -15 +- 445 -6 +- 224 4
7080 14 Nov 00 17:53 Lag2 3 0 24 -17 +- 296 -8 +- 361 2

Station 7090 (Yarragadee) (Position fixed, acc. 10 mm)
7090 9 Nov 00 09:03 Lag2 16 0 49 -17 +- 37 -30 +- 32 3
7090 9 Nov 00 11:33 Lag1 11 0 29 -27 +- 30 -3 +- 22 2
7090 9 Nov 00 13:01 Lag2 23 0 9 -1 +- 20 5 +- 12 2
7090 9 Nov 00 14:49 Lag1 20 0 24 6 +- 21 -10 +- 10 4
7090 9 Nov 00 17:11 Lag2 20 0 49 46 +- 21 -9 +- 18 4
7090 10 Nov 00 07:35 Lag2 2 0 64 572 +-4710 -275 +-2039 0
7090 10 Nov 00 11:09 Lag2 23 0 8 -5 +- 20 6 +- 18 3
7090 10 Nov 00 13:29 Lag1 24 0 4 1 +- 19 1 +- 9 2
7090 10 Nov 00 15:11 Lag2 28 0 22 8 +- 18 11 +- 10 5
7090 10 Nov 00 17:17 Lag1 10 0 22 19 +- 32 -26 +- 44 2
7090 13 Nov 00 13:01 Lag1 7 0 7 -26 +- 127 -15 +- 73 0
7090 13 Nov 00 13:35 Lag2 12 0 16 37 +- 66 24 +- 43 1
7090 13 Nov 00 16:35 Lag1 18 0 19 -3 +- 23 -14 +- 19 2
7090 13 Nov 00 17:43 Lag2 14 0 4 1 +- 26 5 +- 35 2
7090 14 Nov 00 11:33 Lag2 14 0 51 41 +- 25 19 +- 15 6
7090 14 Nov 00 11:47 Lag1 13 0 44 -28 +- 26 33 +- 25 11
7090 14 Nov 00 15:05 Lag1 10 0 14 -11 +- 32 -6 +- 16 3
7090 14 Nov 00 15:49 Lag2 18 0 23 -12 +- 23 15 +- 16 1
7090 15 Nov 00 04:01 Lag1 8 1 21 41 +- 310 -8 +- 123 5
7090 15 Nov 00 05:40 Lag2 7 0 39 -16 +- 92 -13 +- 52 1
7090 16 Nov 00 12:37 Lag2 3 0 21 105 +-2323 -39 +-1095 0
7090 16 Nov 00 12:41 Lag1 13 0 25 -13 +- 43 21 +- 26 1
7090 16 Nov 00 15:57 Lag2 12 0 11 11 +- 29 1 +- 17 4
7090 16 Nov 00 16:19 Lag1 10 0 41 47 +- 92 -3 +- 56 3
7090 17 Nov 00 09:53 Lag2 22 0 30 8 +- 20 -29 +- 20 3
7090 17 Nov 00 11:15 Lag1 14 0 54 -52 +- 26 32 +- 24 3
7090 17 Nov 00 13:57 Lag2 14 0 25 49 +- 50 22 +- 28 4
7090 17 Nov 00 14:53 Lag1 13 0 19 23 +- 62 -19 +- 31 2
7090 18 Nov 00 08:09 Lag2 8 0 15 -34 +- 77 21 +- 51 4
7090 18 Nov 00 10:03 Lag1 8 0 56 -56 +- 34 -1 +- 60 3
7090 18 Nov 00 12:03 Lag2 19 0 30 30 +- 23 11 +- 15 9
7090 18 Nov 00 13:11 Lag1 20 0 32 -9 +- 21 -18 +- 12 2
7090 18 Nov 00 16:13 Lag2 18 0 17 8 +- 22 11 +- 19 3
7090 18 Nov 00 16:57 Lag1 9 0 89 100 +- 36 -41 +- 45 3

Station 7105 (Greenbelt) (Position fixed, acc. 10 mm)
7105 11 Nov 00 14:31 Lag1 3 0 13 -17 +- 469 2 +- 285 3
7105 13 Nov 00 07:30 Lag2 7 0 13 -28 +- 95 15 +- 44 1
7105 15 Nov 00 02:01 Lag1 12 0 67 69 +- 30 -5 +- 38 2
7105 15 Nov 00 03:43 Lag2 8 0 42 39 +- 38 9 +- 75 1
7105 15 Nov 00 05:32 Lag1 10 0 44 -49 +- 33 -17 +- 29 5
7105 15 Nov 00 07:27 Lag2 15 0 40 -30 +- 26 14 +- 20 2
7105 15 Nov 00 09:02 Lag1 2 0 5 -17 +- 270 -16 +- 324 0
7105 15 Nov 00 11:43 Lag2 17 0 28 18 +- 25 12 +- 20 1
7105 16 Nov 00 04:01 Lag1 19 0 4 -3 +- 22 0 +- 10 3
7105 16 Nov 00 05:31 Lag2 19 0 23 -14 +- 22 11 +- 14 6
7105 16 Nov 00 07:37 Lag1 15 0 16 -15 +- 24 -3 +- 19 2
7105 16 Nov 00 09:41 Lag2 13 0 15 11 +- 26 8 +- 20 1
7105 16 Nov 00 10:58 Lag1 9 0 14 14 +- 32 1 +- 34 1
7105 17 Nov 00 11:55 Lag2 16 1 34 31 +- 24 2 +- 23 12
7105 17 Nov 00 13:03 Lag1 17 1 33 32 +- 24 -5 +- 16 4
7105 18 Nov 00 04:57 Lag1 18 0 29 12 +- 23 -16 +- 13 3
7105 18 Nov 00 05:45 Lag2 23 0 25 1 +- 20 15 +- 12 1
7105 18 Nov 00 08:23 Lag1 5 0 26 14 +- 183 -8 +- 126 1
7105 18 Nov 00 09:51 Lag2 15 0 22 17 +- 24 9 +- 17 2
7105 18 Nov 00 11:53 Lag1 6 0 10 10 +- 40 -2 +- 70 2
7105 18 Nov 00 15:39 Lag1 4 0 2 8 +- 723 -4 +- 312 1

Station 7110 (Monument Peak) (Position fixed, acc. 10 mm)
7110 9 Nov 00 06:39 Lag2 2 0 57 -99 +-1610 -42 +-1621 0
7110 9 Nov 00 06:43 Lag1 9 0 15 -16 +- 138 0 +- 64 4
7110 9 Nov 00 13:47 Lag1 3 0 35 43 +- 85 32 +- 222 1
7110 12 Nov 00 08:47 Lag2 14 0 42 -33 +- 26 -9 +- 13 7
7110 12 Nov 00 09:44 Lag1 12 0 28 -28 +- 29 0 +- 19 5
7110 12 Nov 00 13:17 Lag2 6 0 6 11 +- 85 -13 +- 113 3
7110 13 Nov 00 04:57 Lag1 8 0 53 -52 +- 34 -2 +- 29 5
7110 13 Nov 00 06:57 Lag2 15 0 39 -45 +- 28 -14 +- 26 4
7110 13 Nov 00 08:31 Lag1 17 0 62 -59 +- 27 -2 +- 15 9
7110 13 Nov 00 11:17 Lag2 12 0 35 -21 +- 60 -9 +- 40 1
7110 13 Nov 00 11:55 Lag1 2 0 8 -44 +- 950 -39 +-1038 0
7110 14 Nov 00 07:01 Lag1 13 0 84 -69 +- 35 12 +- 22 8
7110 14 Nov 00 08:59 Lag2 19 0 49 -26 +- 22 -21 +- 11 8
7110 14 Nov 00 10:33 Lag1 15 0 34 -32 +- 24 12 +- 21 4
7110 14 Nov 00 13:14 Lag2 10 0 10 12 +- 38 -4 +- 31 3
7110 14 Nov 00 13:59 Lag1 4 0 34 29 +- 61 -19 +- 167 1
7110 15 Nov 00 11:21 Lag2 15 0 22 -15 +- 26 -10 +- 23 3
7110 15 Nov 00 12:47 Lag1 6 0 24 -20 +- 80 -6 +- 109 2
7110 15 Nov 00 15:37 Lag2 4 0 30 0 +- 196 -29 +- 200 3
7110 16 Nov 00 04:23 Lag1 12 0 56 -57 +- 28 21 +- 39 4
7110 16 Nov 00 07:51 Lag1 3 0 70 -62 +- 947 3 +- 415 1
7110 16 Nov 00 11:23 Lag1 9 0 19 -9 +- 32 24 +- 46 1
7110 17 Nov 00 06:41 Lag1 15 0 39 -60 +- 38 28 +- 21 5
7110 17 Nov 00 07:25 Lag2 8 0 33 -82 +- 94 -44 +- 68 1
7110 17 Nov 00 11:37 Lag2 6 0 47 19 +- 66 -44 +- 98 0
7110 17 Nov 00 16:07 Lag2 6 0 11 11 +- 120 -13 +- 86 6
7110 18 Nov 00 08:47 Lag1 15 0 14 3 +- 31 7 +- 19 1
7110 18 Nov 00 09:31 Lag2 21 0 24 -10 +- 21 -11 +- 12 3
7110 18 Nov 00 12:07 Lag1 4 0 9 6 +- 161 21 +- 229 0
7110 18 Nov 00 13:55 Lag2 8 0 21 7 +- 34 -35 +- 64 0
7110 18 Nov 00 15:24 Lag1 6 0 54 -49 +- 42 10 +- 45 5

Station 7124 (Papeete) (Position fixed, acc. 10 mm)
7124 10 Nov 00 06:09 Lag1 13 0 10 -9 +- 27 0 +- 22 3
7124 10 Nov 00 07:51 Lag2 9 0 22 -48 +- 86 -22 +- 60 3
7124 10 Nov 00 09:35 Lag1 17 0 25 -23 +- 23 -5 +- 16 5

Station 7237 (Changchun) (Position fixed, acc. 50 mm)
7237 11 Nov 00 15:09 Lag1 4 0 57 -96 +- 407 -32 +- 289 21
7237 11 Nov 00 18:41 Lag1 4 0 14 16 +- 281 31 +- 304 2
7237 14 Nov 00 16:56 Lag2 6 0 32 -2 +- 307 -15 +- 184 13
7237 14 Nov 00 18:01 Lag1 15 0 35 -35 +- 45 -2 +- 32 6
7237 14 Nov 00 20:37 Lag2 10 0 62 -8 +- 60 -36 +- 40 35
7237 18 Nov 00 16:13 Lag1 3 0 43 72 +- 635 23 +- 469 12

Station 7249 (Beijing) (Position fixed, acc. 50 mm)
7249 12 Nov 00 13:54 Lag1 4 0 94 -13 +- 118 183 +- 288 41
7249 12 Nov 00 16:21 Lag2 7 0 13 5 +- 93 -3 +- 106 11
7249 12 Nov 00 17:19 Lag1 8 0 26 11 +- 134 -10 +- 88 6
7249 12 Nov 00 20:41 Lag2 4 0 7 -3 +- 555 3 +- 402 7
7249 12 Nov 00 20:53 Lag1 7 0 83 -14 +- 71 12 +- 115 82
7249 14 Nov 00 20:35 Lag2 13 0 14 7 +- 48 10 +- 49 8
7249 14 Nov 00 21:39 Lag1 7 0 28 28 +- 80 -1 +- 124 7
7249 17 Nov 00 14:07 Lag1 7 0 56 52 +- 73 -11 +- 119 7

Station 7339 (Tateyama) (Position fixed, acc. 20 mm)
7339 10 Nov 00 23:11 Lag1 8 0 34 -17 +- 38 -15 +- 21 5
7339 11 Nov 00 00:27 Lag2 10 0 47 48 +- 39 33 +- 28 5
7339 11 Nov 00 02:55 Lag1 7 0 24 47 +- 78 -45 +- 85 2
7339 13 Nov 00 00:09 Lag1 11 0 35 14 +- 62 -26 +- 35 3

Station 7403 (Arequipa) (Position fixed, acc. 10 mm)
7403 13 Nov 00 02:05 Lag1 3 0 3 3 +- 643 -1 +- 329 3
7403 13 Nov 00 02:43 Lag2 16 0 29 -13 +- 24 -25 +- 21 5
7403 15 Nov 00 02:26 Lag1 18 0 27 26 +- 24 2 +- 13 2
7403 15 Nov 00 03:03 Lag2 7 0 6 6 +- 36 -1 +- 30 2
7403 16 Nov 00 01:31 Lag1 4 0 31 19 +- 365 6 +- 194 4
7403 17 Nov 00 03:01 Lag2 4 0 33 -254 +-1408 -120 +- 592 4
7403 17 Nov 00 03:10 Lag1 16 0 38 37 +- 25 0 +- 15 4

Station 7501 (Hartebeesthoek) (Position solved, acc. 10 mm)
7501 15 Nov 00 17:49 Lag1 7 0 9 -7 +- 51 -13 +- 65 5
7501 15 Nov 00 21:07 Lag1 12 0 9 7 +- 27 -3 +- 15 3
7501 15 Nov 00 21:53 Lag2 5 0 14 -28 +- 195 10 +- 145 0
7501 16 Nov 00 19:33 Lag2 17 0 5 0 +- 24 0 +- 19 5
7501 16 Nov 00 20:11 Lag1 11 0 6 24 +- 107 -10 +- 46 1

Station 7810 (Zimmerwald) (Position fixed, acc. 60 mm)
7810 10 Nov 00 08:31 Lag1 7 0 20 5 +- 319 -12 +- 161 1
7810 11 Nov 00 06:59 Lag1 9 0 65 -10 +- 80 -37 +- 50 3
7810 11 Nov 00 10:33 Lag1 6 0 71 -61 +- 91 -29 +- 149 3
7810 11 Nov 00 22:57 Lag1 4 0 14 19 +- 367 -2 +- 193 1
7810 12 Nov 00 23:43 Lag2 16 0 20 14 +- 50 -7 +- 33 10
7810 13 Nov 00 00:51 Lag1 15 0 76 -68 +- 58 -9 +- 34 3
7810 13 Nov 00 03:57 Lag2 1 0 53 0 +- 0 0 +- 0 0
7810 18 Nov 00 10:39 Lag2 7 0 109 -106 +- 106 -6 +- 161 2
7810 18 Nov 00 23:52 Lag1 1 0 16 0 +- 0 0 +- 0 0

Station 7811 (Borowiec) (Position fixed, acc. 60 mm)
7811 9 Nov 00 21:39 Lag1 18 0 25 12 +- 47 13 +- 32 10
7811 10 Nov 00 01:11 Lag1 10 0 15 0 +- 137 -7 +- 78 4
7811 10 Nov 00 01:33 Lag2 14 0 23 -11 +- 53 15 +- 46 9
7811 10 Nov 00 23:45 Lag2 8 0 44 48 +- 80 18 +- 122 6
7811 11 Nov 00 00:01 Lag1 11 0 17 7 +- 66 -14 +- 54 5
7811 11 Nov 00 03:25 Lag1 10 0 35 8 +- 69 -29 +- 68 8
7811 11 Nov 00 03:45 Lag2 13 0 49 -12 +- 63 45 +- 53 7
7811 17 Nov 00 00:27 Lag2 5 0 16 20 +- 114 32 +- 230 0

Station 7820 (Kunming) (Position solved, acc. 80 mm)
7820 9 Nov 00 14:35 Lag1 12 0 55 -43 +- 73 35 +- 86 9
7820 9 Nov 00 17:41 Lag2 9 0 39 12 +- 218 -17 +- 147 10
7820 9 Nov 00 18:27 Lag1 5 0 32 35 +- 788 -2 +- 389 12
7820 10 Nov 00 16:39 Lag1 17 0 19 10 +- 62 5 +- 34 14
7820 11 Nov 00 15:19 Lag1 15 0 24 21 +- 67 0 +- 50 12
7820 13 Nov 00 16:05 Lag1 18 0 46 -42 +- 60 -4 +- 34 18
7820 13 Nov 00 18:04 Lag2 5 0 39 228 +- 803 112 +- 394 23
7820 15 Nov 00 16:51 Lag1 21 0 28 -2 +- 55 -12 +- 29 15
7820 15 Nov 00 18:21 Lag2 9 0 24 41 +- 233 32 +- 147 12
7820 16 Nov 00 15:37 Lag1 8 0 31 44 +- 138 19 +- 124 4
7820 16 Nov 00 16:27 Lag2 7 0 34 63 +- 463 18 +- 274 4
7820 17 Nov 00 17:47 Lag1 9 0 13 -7 +- 97 -12 +- 100 8
7820 17 Nov 00 18:37 Lag2 10 0 23 0 +- 98 15 +- 67 5
7820 17 Nov 00 22:57 Lag2 5 0 31 114 +- 540 130 +- 579 18

Station 7824 (San Fernando) (Position fixed, acc. 40 mm)
7824 9 Nov 00 11:33 Lag2 4 0 31 79 +- 327 48 +- 299 6
7824 9 Nov 00 21:49 Lag1 13 0 67 65 +- 42 17 +- 30 14
7824 10 Nov 00 01:22 Lag2 5 0 64 60 +- 129 -4 +- 168 15
7824 10 Nov 00 01:35 Lag1 12 0 120 120 +- 48 0 +- 37 7
7824 10 Nov 00 05:35 Lag2 5 0 47 51 +- 102 -14 +- 203 11
7824 11 Nov 00 22:53 Lag1 3 0 90 97 +- 222 19 +- 379 23
7824 12 Nov 00 01:33 Lag2 5 0 112 128 +- 233 16 +- 201 22
7824 12 Nov 00 02:17 Lag1 7 0 98 85 +- 113 -11 +- 96 15
7824 14 Nov 00 01:43 Lag2 2 0 125 -275 +-4866 -216 +-2620 0
7824 16 Nov 00 00:25 Lag1 7 0 58 58 +- 58 6 +- 44 12
7824 16 Nov 00 02:03 Lag2 4 0 129 205 +- 241 104 +- 284 36
7824 16 Nov 00 04:03 Lag1 5 0 122 174 +- 182 -59 +- 184 15
7824 17 Nov 00 21:35 Lag1 3 0 173 -268 +- 965 -312 +- 687 14
7824 18 Nov 00 01:09 Lag1 15 0 64 62 +- 38 -1 +- 26 16
7824 18 Nov 00 02:13 Lag2 8 0 123 113 +- 53 -3 +- 42 50

Station 7835 (Grasse) (Position fixed, acc. 30 mm)
7835 9 Nov 00 03:09 Lag2 12 0 23 -45 +- 87 -16 +- 49 2
7835 9 Nov 00 07:19 Lag2 13 0 7 -9 +- 64 -6 +- 41 4
7835 9 Nov 00 09:49 Lag1 7 0 22 -4 +- 140 16 +- 87 2
7835 9 Nov 00 21:43 Lag1 20 0 29 6 +- 28 18 +- 18 5
7835 10 Nov 00 01:15 Lag2 13 0 17 -13 +- 35 -1 +- 16 10
7835 10 Nov 00 01:31 Lag1 6 0 37 36 +- 52 5 +- 85 2
7835 10 Nov 00 23:25 Lag2 20 0 14 14 +- 29 2 +- 22 3
7835 11 Nov 00 00:05 Lag1 12 0 8 2 +- 37 -5 +- 29 4
7835 11 Nov 00 03:41 Lag1 6 0 8 9 +- 111 -12 +- 94 4

Station 7836 (Potsdam) (Position fixed, acc. 30 mm)
7836 9 Nov 00 21:49 Lag1 9 0 19 9 +- 42 15 +- 51 7
7836 10 Nov 00 01:31 Lag2 17 0 21 -19 +- 31 10 +- 23 4
7836 10 Nov 00 05:31 Lag2 13 0 9 1 +- 35 5 +- 25 5
7836 10 Nov 00 08:17 Lag1 4 0 23 16 +- 211 -5 +- 177 4
7836 10 Nov 00 20:43 Lag1 5 0 34 6 +- 462 16 +- 270 4
7836 11 Nov 00 03:19 Lag1 12 0 34 19 +- 42 -13 +- 28 6
7836 11 Nov 00 22:45 Lag1 3 0 21 12 +- 100 -44 +- 444 19
7836 12 Nov 00 01:55 Lag2 6 0 16 -18 +- 60 18 +- 99 2
7836 12 Nov 00 02:15 Lag1 6 0 8 -4 +- 69 8 +- 58 1
7836 16 Nov 00 07:11 Lag1 8 0 21 20 +- 44 3 +- 56 7
7836 16 Nov 00 22:51 Lag1 14 0 14 5 +- 36 7 +- 25 3
7836 17 Nov 00 00:27 Lag2 9 0 17 -13 +- 48 -6 +- 57 3
7836 17 Nov 00 02:24 Lag1 12 0 22 -8 +- 43 18 +- 32 6

Station 7838 (Simosato Observatory) (Position fixed, acc. 30 mm)
7838 10 Nov 00 16:15 Lag2 11 0 18 -16 +- 45 0 +- 43 7
7838 10 Nov 00 16:35 Lag1 13 0 29 27 +- 39 1 +- 29 7
7838 15 Nov 00 14:31 Lag2 20 0 52 44 +- 30 -10 +- 21 5
7838 15 Nov 00 16:37 Lag1 8 0 30 -98 +- 158 -44 +- 85 5
7838 15 Nov 00 18:39 Lag2 15 0 40 -17 +- 39 11 +- 32 28
7838 17 Nov 00 17:27 Lag1 9 1 42 9 +- 94 -11 +- 75 35
7838 17 Nov 00 19:07 Lag2 11 0 30 -22 +- 43 23 +- 50 20
7838 18 Nov 00 12:47 Lag1 8 0 15 0 +- 49 -21 +- 68 2
7838 18 Nov 00 16:21 Lag1 9 0 41 41 +- 67 -1 +- 54 4
7838 18 Nov 00 16:55 Lag2 14 0 13 0 +- 47 -7 +- 33 9
7838 18 Nov 00 19:35 Lag1 9 0 20 18 +- 42 8 +- 63 7

Station 7839 (Graz) (Position fixed, acc. 10 mm)
7839 9 Nov 00 06:29 Lag1 6 0 70 112 +- 417 -16 +- 164 3
7839 9 Nov 00 07:16 Lag2 14 0 24 40 +- 52 12 +- 29 3
7839 9 Nov 00 09:35 Lag1 14 0 32 24 +- 26 12 +- 20 3
7839 9 Nov 00 11:29 Lag2 8 0 5 -1 +- 57 -6 +- 69 2
7839 10 Nov 00 08:15 Lag1 10 0 38 43 +- 34 -10 +- 17 4
7839 10 Nov 00 09:37 Lag2 11 0 14 16 +- 35 7 +- 34 2
7839 11 Nov 00 21:58 Lag2 6 0 19 21 +- 43 -14 +- 112 1
7839 11 Nov 00 22:27 Lag1 20 0 36 21 +- 21 18 +- 12 3
7839 12 Nov 00 01:29 Lag2 15 0 30 18 +- 24 12 +- 14 3
7839 12 Nov 00 02:05 Lag1 13 0 20 20 +- 31 0 +- 16 3
7839 12 Nov 00 21:03 Lag1 14 0 31 22 +- 28 19 +- 16 3
7839 12 Nov 00 23:41 Lag2 25 0 40 37 +- 19 -10 +- 11 3
7839 13 Nov 00 00:33 Lag1 14 0 13 -18 +- 36 -7 +- 17 3
7839 13 Nov 00 04:03 Lag1 7 0 40 10 +- 51 -20 +- 32 1

Station 7840 (Herstmonceux) (Position fixed, acc. 20 mm)
7840 9 Nov 00 11:41 Lag2 4 0 35 -24 +- 193 -11 +- 208 1
7840 9 Nov 00 21:47 Lag1 11 0 20 13 +- 32 12 +- 32 3
7840 10 Nov 00 04:46 Lag1 12 0 32 36 +- 35 8 +- 28 3
7840 10 Nov 00 05:19 Lag2 17 0 19 -4 +- 27 10 +- 16 2
7840 10 Nov 00 08:09 Lag1 17 0 18 17 +- 26 -1 +- 13 7
7840 10 Nov 00 09:25 Lag2 21 0 3 0 +- 23 0 +- 15 3
7840 10 Nov 00 11:51 Lag1 10 0 25 -22 +- 35 6 +- 32 1
7840 12 Nov 00 21:13 Lag1 8 0 20 -10 +- 46 21 +- 78 3
7840 12 Nov 00 23:53 Lag2 1 0 18 0 +- 0 0 +- 0 0
7840 13 Nov 00 00:41 Lag1 21 0 27 -24 +- 23 -4 +- 12 4
7840 13 Nov 00 03:39 Lag2 19 0 26 -16 +- 25 11 +- 16 4
7840 13 Nov 00 04:17 Lag1 14 0 43 -24 +- 30 -20 +- 21 2
7840 13 Nov 00 07:46 Lag1 4 0 85 -23 +- 66 -37 +- 35 3
7840 13 Nov 00 11:15 Lag1 6 0 48 6 +- 45 -31 +- 28 4
7840 14 Nov 00 05:55 Lag2 7 0 5 -4 +- 51 -5 +- 44 1
7840 15 Nov 00 07:59 Lag2 16 0 13 -5 +- 29 7 +- 20 1
7840 15 Nov 00 08:31 Lag1 17 0 35 1 +- 28 -21 +- 16 2
7840 15 Nov 00 12:11 Lag1 7 0 28 -28 +- 43 0 +- 50 1
7840 16 Nov 00 10:48 Lag1 8 0 14 -11 +- 47 16 +- 42 3
7840 16 Nov 00 22:45 Lag1 20 0 14 13 +- 24 2 +- 14 4
7840 17 Nov 00 00:11 Lag2 18 0 10 -9 +- 25 -3 +- 20 2
7840 17 Nov 00 02:19 Lag1 16 0 19 10 +- 27 11 +- 17 5
7840 17 Nov 00 04:07 Lag2 17 0 22 3 +- 26 13 +- 16 3
7840 17 Nov 00 05:53 Lag1 11 0 40 34 +- 33 14 +- 31 3

Station 7845 (Grasse) (Position fixed, acc. 20 mm)
7845 9 Nov 00 09:37 Lag1 5 0 35 -23 +- 111 13 +- 114 2
7845 10 Nov 00 08:09 Lag1 19 0 19 -17 +- 25 -2 +- 13 4
7845 10 Nov 00 09:45 Lag2 10 0 24 -28 +- 41 11 +- 38 4
7845 10 Nov 00 11:58 Lag1 10 0 44 -44 +- 66 0 +- 58 2

Station 7849 (Mount Stromlo) (Position fixed, acc. 10 mm)
7849 9 Nov 00 04:53 Lag1 2 0 27 -25 +- 85 -30 +- 753 0
7849 9 Nov 00 09:13 Lag2 5 0 17 3 +- 45 -8 +- 38 12
7849 9 Nov 00 11:21 Lag1 7 0 10 -19 +- 98 -16 +- 60 1
7849 9 Nov 00 13:31 Lag2 5 0 2 1 +- 86 4 +- 123 1
7849 9 Nov 00 15:09 Lag1 7 0 35 -24 +- 59 -19 +- 96 3
7849 17 Nov 00 00:53 Lag1 5 0 32 -20 +- 173 8 +- 121 1
7849 17 Nov 00 02:25 Lag2 2 0 63 -104 +-3713 22 +-2037 0

Station 7939 (Matera) (Position fixed, acc. 120 mm)
7939 15 Nov 00 04:18 Lag1 14 14 0 0 +- 0 0 +- 0 0 LAG2?

Station 8834 (Wettzell) (Position fixed, acc. 10 mm)
8834 10 Nov 00 05:25 Lag2 11 0 62 -43 +- 28 16 +- 12 24
8834 10 Nov 00 09:39 Lag2 6 0 66 -68 +- 81 -3 +- 91 6
8834 11 Nov 00 07:43 Lag2 4 1 86 -80 +- 521 3 +- 324 2
8834 12 Nov 00 02:29 Lag1 4 0 40 -230 +- 506 93 +- 240 4
8834 12 Nov 00 09:47 Lag2 4 1 49 -91 +- 181 -32 +- 125 10
--------------------------------------------------------------------------------

Distribution of daytime, nighttime and twilight passes since Jul 1, 1900

--------------------------------------------------------------------------
Station System Period Number of Passes
LAGEOS-1 LAGEOS-2
Day/Night/Twil. Day/Night/Twil. Total
--------------------------------------------------------------------------
1864 MD2LAS 000702 - 001119 0/ 24/ 0 0/ 14/ 0 38
1873 SIMLAS 000726 - 001118 0/ 17/ 0 0/ 5/ 0 22
1884 RIGLAS 000704 - 001107 0/ 27/ 0 0/ 12/ 0 39
1893 CRMLAS 000705 - 001117 0/ 7/ 0 0/ 19/ 0 26
7080 MLRS25 000703 - 001120 56/ 39/ 1 85/ 31/ 9 221
7090 ML0514 000701 - 001120 106/103/ 14 55/ 76/ 8 362
7105 ML0725 000701 - 001120 42/101/ 7 55/ 60/ 7 272
7110 ML0414 000701 - 001120 36/115/ 12 24/ 79/ 13 279
7124 ML0819 000704 - 001110 1/ 64/ 2 8/ 72/ 3 150
7210 HOLLAS 000920 - 001031 0/ 6/ 0 7/ 0/ 1 14
7231 WUHA01 000703 - 001106 0/ 34/ 0 0/ 40/ 0 74
7237 CHALAS 000701 - 001118 0/ 59/ 0 0/ 42/ 0 101
7249 BEJLAS 000831 - 001119 0/ 37/ 0 0/ 11/ 0 48
7328 KOGLAS 000708 - 000724 4/ 0/ 0 0/ 2/ 0 6
7335 KASLAS 000810 - 001108 16/ 0/ 0 25/ 0/ 0 41
7339 TATLAS 000828 - 001113 20/ 0/ 0 32/ 0/ 1 53
7343 TROS01 000831 - 001020 0/ 29/ 1 0/ 9/ 0 39
7403 TLRS3 000703 - 001117 0/ 71/ 1 5/ 56/ 0 133
7501 ML0616 000731 - 001116 3/ 20/ 1 5/ 31/ 0 60
7548 CAGLAS 000704 - 000705 0/ 0/ 0 0/ 2/ 0 2
7806 METLAS 000827 - 001010 0/ 28/ 0 0/ 0/ 0 28
7810 ZIMLAT 000701 - 001118 97/ 44/ 7 54/ 27/ 5 234
7811 POLLAS 000713 - 001117 0/ 39/ 0 0/ 15/ 0 54
7820 YSLR01 000701 - 001117 0/ 22/ 0 0/ 19/ 0 41
7824 SPNLAS 000701 - 001119 7/ 50/ 3 10/ 51/ 4 125
7831 HELLAS 000907 - 001104 0/ 7/ 0 0/ 1/ 0 8
7835 GRASSE 000701 - 001111 46/ 50/ 0 30/ 51/ 8 185
7836 GFZLAS 000702 - 001119 6/ 43/ 2 3/ 23/ 1 78
7837 CHILAS 000704 - 001105 0/ 35/ 0 0/ 34/ 0 69
7838 SHOLAS 000702 - 001118 0/ 49/ 0 2/ 20/ 2 73
7839 AUSLAS 000702 - 001113 75/ 35/ 4 50/ 33/ 7 204
7840 RGOLAS 000701 - 001120 127/ 52/ 6 98/ 33/ 11 327
7845 GRASLL 000704 - 001110 35/ 6/ 0 32/ 3/ 2 78
7849 MSLO01 000701 - 001117 117/179/ 14 78/149/ 15 552
7939 SAO102 000701 - 001115 0/ 20/ 1 0/ 15/ 0 36
8834 WLRS01 000701 - 001112 90/ 35/ 6 71/ 20/ 8 230
--------------------------------------------------------------------------


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)
--------------------------------------------------------------
1113.0 -66.9 +/- 0.1 304.1 +/- 0.1 -31866.18 +/- 0.01
1116.0 -70.2 +/- 0.1 309.7 +/- 0.1 -31868.27 +/- 0.01
--------------------------------------------------------------

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 5 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.
Users of this report are invited to give suggestions for further improvements.



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

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