| Date: | 2004-08-24 07:15:00 | |
| Sender: | Ron Noomen <Ron Noomen <ron@astro.lr.tudelft.nl>> | |
| Subject: | [SLR-Report] No. 4230: Delft QL Report August 24, 2004 | |
| Author: | Ron Noomen | |
| Content: | ******************************************************************************** SLR Electronic Report 2004-08-24 07:15:00 UTC Message No. 4230 ******************************************************************************** Author: Ron Noomen Subject: Delft QL Report August 24, 2004 WEGENER-2 IERS REPORT OF THE QUICK-LOOK DATA ANALYSIS CENTER DELFT UNIVERSITY OF TECHNOLOGY FACULTY OF AEROSPACE ENGINEERING THE NETHERLANDS August 24, 2004 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, Aug 23, 2004. Questions and comments should be addressed to: R. Noomen Delft University of Technology Faculty of Aerospace Engineering Delft Institute for Earth-Oriented Space Research Kluyverweg 1 2629 HS Delft The Netherlands Telephone: +31-15-2785377 Telefax : +31-15-2785322 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, Aug 23, 2004. 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 ------------------------------------------------------------------------------ 1831 Lviv, Ukraine 040816 - 040819 3 3 1864 Maidanak, Uzbekistan (site 2) 040817 - 040822 2 3 1873 Simeiz, Crimea, Ukraine 040821 - 040822 2 - 1884 Riga, Latvia 040817 - 040822 4 1 1893 Kazivili, Crimea, Ukraine 040821 - 040822 2 2 6405 Concepcion, Chile (TIGO 847) 040218 - 040730 6 5 6810 Zimmerwald 846, Switzerland 040816 - 040823 13 3 7080 McDonald Obs., Fort Davis, TX 040819 - 040821 4 - 7090 Yarragadee, Australia 040816 - 040822 12 13 7105 Greenbelt, Maryland 040817 - 040823 4 9 7110 Monument Peak, California 040819 - 040822 4 6 7124 Papeete, Tahiti 040818 - 040818 2 - 7231 Wuhan, China (new) 040818 - 040818 1 - 7237 Changchun, China 040816 - 040823 15 18 7355 Urumqi, China (TROS) 040816 - 040821 1 3 7405 Concepcion, Chile (TIGO 424) 040306 - 040823 3 4 7501 Hartebeesthoek, SA (MOB-6) 040816 - 040823 - 11 7810 Zimmerwald 423, Switzerland 040816 - 040823 14 3 7811 Borowiec, Poland 040818 - 040820 1 3 7824 San Fernando, Spain 040817 - 040820 2 3 7825 Mount Stromlo, Australia 040811 - 040822 5 10 7830 Chania, Crete (FTLRS) 030903 - 030903 - 1 7832 Riyad, Saudi Arabia 040816 - 040823 12 15 7835 Grasse, France 040816 - 040816 - 1 7837 Shanghai Observatory, China 040816 - 040819 3 2 7838 Simosato Observatory, Japan 040818 - 040821 2 3 7839 Graz, Austria 040816 - 040823 19 13 7840 Herstmonceux, United Kingdom 040818 - 040822 7 1 7841 Potsdam, Germany 040817 - 040823 8 6 7845 Grasse, France (LLR) 040816 - 040823 4 3 8834 Wettzell, Germany 040816 - 040823 14 13 ------ ------ --- --- TOTAL 030903 - 040823 169 158 ------------------------------------------------------------------------------ B. ANALYSIS RESULTS The analysis is based on two orbit solutions using global quick-look normal points that cover a period of 8 days which are computed simultaneously. This week´s data interval runs from Sat, Aug 14, 2004 to Sun, Aug 22, 2004. The measurement and dynamic models used in this analysis are close to the IERS Standard. The overall model is referred to as QLDACMOD11. The details of this model can be obtained on request. The terrestrial reference frame is provided by the ITRF2000 station coordinates solution (extended with coordinates of new stations, where necessary). The general statistics and results of this week´s analysis are thus: ----------------------------------------------------------------------- Satellite LAGEOS-1 LAGEOS-2 Number of Stations 29 26 Number of Passes 168/166 172/171 Number of Normal Points 1592/1566 1834/1801 Weighted RMS of Fit (mm) 13 12 ----------------------------------------------------------------------- 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 1824 (Kiev) (position solved, acc. 200 mm) 1824 15 Aug 04 18:16 LAG1 2 0 0 0 +-2068 0 +-2300 0 Station 1831 (Lviv) (position fixed, acc. 400 mm) 1831 15 Aug 04 21:39 LAG1 8 0 203 -164 +- 448 -79 +- 467 16 1831 16 Aug 04 20:17 LAG1 6 0 4717 -1318 +- 512 7013 +- 728 13*CHK* 1831 18 Aug 04 20:33 LAG2 6 0 524 -551 +- 662 83 +- 933 105 1831 18 Aug 04 20:55 LAG1 12 0 242 -286 +- 414 -97 +- 302 31 1831 19 Aug 04 00:32 LAG2 9 0 120 -126 +- 439 81 +- 473 24 1831 19 Aug 04 19:43 LAG1 6 0 189 -150 +- 495 -100 +- 535 17 1831 19 Aug 04 22:25 LAG2 4 0 195 -317 +-2040 -86 +-1343 10 Station 1864 (Maidanak) (position fixed, acc. 200 mm) 1864 17 Aug 04 18:33 LAG1 5 0 43 38 +- 268 6 +- 171 15 1864 17 Aug 04 18:41 LAG2 3 0 24 19 +-1376 5 +-1816 4 1864 21 Aug 04 19:17 LAG2 3 0 25 -316 +-4747 213 +-3268 10 1864 21 Aug 04 23:01 LAG2 3 0 5 -18 +-7013 -13 +-3821 0 Station 1873 (Simeiz) (position fixed, acc. 200 mm) 1873 21 Aug 04 20:31 LAG1 9 3 225 312 +- 952 -54 +- 560 23 Station 1884 (Riga) (position fixed, acc. 100 mm) 1884 17 Aug 04 18:52 LAG1 10 0 14 0 +- 96 7 +- 60 6 1884 17 Aug 04 22:21 LAG2 16 0 11 2 +- 83 7 +- 68 3 1884 21 Aug 04 20:29 LAG1 11 0 20 -9 +- 90 -11 +- 63 6 Station 1893 (Kazivili) (position fixed, acc. 100 mm) 1893 14 Aug 04 20:05 LAG2 7 0 22 22 +- 149 -3 +- 184 9 1893 21 Aug 04 18:44 LAG2 6 0 28 9 +- 251 40 +- 281 2 1893 21 Aug 04 20:16 LAG1 8 0 19 10 +- 222 6 +- 151 19 Station 6810 (Zimmerwald 846) (position fixed, acc. 60 mm) 6810 14 Aug 04 23:05 LAG1 15 0 13 -3 +- 72 -6 +- 42 3 6810 14 Aug 04 23:37 LAG2 10 0 7 -2 +- 140 2 +- 77 4 6810 15 Aug 04 07:53 LAG2 15 0 10 -11 +- 51 -5 +- 58 2 6810 15 Aug 04 11:01 LAG1 16 0 21 10 +- 52 13 +- 31 7 6810 15 Aug 04 18:01 LAG1 16 0 9 -4 +- 47 2 +- 30 5 6810 15 Aug 04 21:37 LAG1 7 0 9 -4 +- 71 -3 +- 42 5 6810 15 Aug 04 21:44 LAG2 6 0 19 -7 +- 78 8 +- 43 4 6810 16 Aug 04 01:09 LAG1 11 0 7 -1 +- 56 4 +- 52 5 6810 16 Aug 04 01:47 LAG2 25 0 9 -2 +- 36 4 +- 22 6 6810 16 Aug 04 09:57 LAG1 8 0 6 2 +- 101 2 +- 132 5 6810 18 Aug 04 10:29 LAG1 11 0 11 4 +- 65 7 +- 46 7 6810 18 Aug 04 14:01 LAG1 12 0 6 -5 +- 65 -4 +- 43 3 6810 18 Aug 04 17:29 LAG1 15 0 13 -4 +- 50 -7 +- 32 7 6810 18 Aug 04 20:55 LAG1 11 0 15 -13 +- 56 -5 +- 31 2 6810 20 Aug 04 06:31 LAG2 3 0 7 0 +- 111 7 +- 123 1 6810 20 Aug 04 14:52 LAG1 13 0 31 -23 +- 58 7 +- 41 3 6810 20 Aug 04 18:15 LAG1 13 0 14 -11 +- 54 2 +- 40 3 6810 21 Aug 04 13:36 LAG1 4 0 5 -14 +- 462 -11 +- 272 0 6810 21 Aug 04 16:55 LAG1 7 0 11 33 +- 334 20 +- 169 4 6810 21 Aug 04 20:39 LAG1 11 0 43 -32 +- 104 -7 +- 62 3 Station 7080 (McDonald Obs.) (position fixed, acc. 20 mm) 7080 19 Aug 04 16:59 LAG1 9 0 17 18 +- 23 -1 +- 26 2 7080 19 Aug 04 20:27 LAG1 6 0 8 6 +- 43 -1 +- 31 1 7080 21 Aug 04 17:41 LAG1 4 0 5 7 +- 235 1 +- 151 0 7080 21 Aug 04 21:28 LAG1 3 0 16 24 +- 131 -11 +- 177 1 Station 7090 (Yarragadee) (position fixed, acc. 10 mm) 7090 14 Aug 04 11:31 LAG2 24 0 5 2 +- 8 1 +- 4 3 7090 14 Aug 04 14:37 LAG1 14 0 2 0 +- 16 0 +- 13 1 7090 14 Aug 04 18:07 LAG1 24 0 4 3 +- 8 -1 +- 4 1 7090 14 Aug 04 21:45 LAG1 9 0 5 -2 +- 15 -6 +- 23 1 7090 15 Aug 04 00:55 LAG1 7 0 3 -2 +- 32 0 +- 31 2 7090 15 Aug 04 05:27 LAG2 19 0 5 -3 +- 9 -2 +- 9 2 7090 15 Aug 04 09:31 LAG2 24 0 7 -6 +- 8 0 +- 4 2 7090 15 Aug 04 13:41 LAG2 16 0 4 1 +- 10 1 +- 9 3 7090 15 Aug 04 16:47 LAG1 25 0 7 -1 +- 8 3 +- 4 1 7090 15 Aug 04 20:21 LAG1 4 0 7 21 +- 146 10 +- 106 1 7090 15 Aug 04 23:22 LAG2 7 0 10 -3 +- 55 5 +- 47 2 7090 16 Aug 04 07:49 LAG2 18 0 6 -4 +- 11 6 +- 9 0 7090 16 Aug 04 11:47 LAG2 24 0 7 -3 +- 8 3 +- 5 4 7090 16 Aug 04 15:23 LAG1 25 0 7 -2 +- 8 -3 +- 4 2 7090 16 Aug 04 19:01 LAG1 19 0 11 3 +- 9 -7 +- 6 1 7090 17 Aug 04 01:53 LAG2 4 0 14 4 +- 127 -13 +- 91 1 7090 17 Aug 04 05:49 LAG2 10 0 12 -11 +- 13 -5 +- 22 3 7090 17 Aug 04 09:49 LAG2 19 0 11 -10 +- 9 -2 +- 5 1 7090 17 Aug 04 14:19 LAG1 4 0 8 -4 +- 27 17 +- 105 1 7090 17 Aug 04 17:42 LAG1 17 0 14 0 +- 11 7 +- 6 5 7090 17 Aug 04 21:17 LAG1 5 0 9 5 +- 25 11 +- 57 1 7090 17 Aug 04 23:44 LAG2 2 0 20 -35 +- 208 -17 +- 247 0 7090 18 Aug 04 03:41 LAG2 8 0 8 -13 +- 28 -7 +- 26 4 7090 18 Aug 04 08:07 LAG2 16 0 11 -12 +- 12 1 +- 10 2 7090 18 Aug 04 12:09 LAG2 19 0 4 -5 +- 11 1 +- 8 1 7090 18 Aug 04 16:11 LAG1 24 0 8 -7 +- 8 -1 +- 4 2 7090 19 Aug 04 02:35 LAG1 2 0 26 -31 +- 163 -7 +- 221 0 7090 19 Aug 04 10:29 LAG2 7 0 18 -19 +- 39 0 +- 20 1 7090 19 Aug 04 15:09 LAG1 12 0 10 -15 +- 18 8 +- 14 1 7090 20 Aug 04 12:21 LAG2 15 0 3 0 +- 11 -1 +- 10 2 7090 20 Aug 04 20:41 LAG1 10 0 6 3 +- 15 -5 +- 19 5 Station 7105 (Greenbelt) (position fixed, acc. 10 mm) 7105 17 Aug 04 03:39 LAG2 9 0 17 -3 +- 19 -9 +- 12 2 7105 17 Aug 04 07:14 LAG1 3 0 28 -23 +- 52 10 +- 114 3 7105 17 Aug 04 07:37 LAG2 9 0 10 1 +- 43 -6 +- 32 3 7105 18 Aug 04 05:43 LAG2 6 0 6 12 +- 51 14 +- 48 2 7105 19 Aug 04 03:47 LAG2 6 0 5 -9 +- 41 -12 +- 42 0 7105 19 Aug 04 04:27 LAG1 8 0 10 9 +- 17 -5 +- 9 3 7105 20 Aug 04 06:01 LAG2 20 0 7 -3 +- 11 1 +- 8 6 7105 20 Aug 04 06:41 LAG1 8 0 15 -6 +- 17 19 +- 22 7 7105 20 Aug 04 10:01 LAG2 6 0 5 -2 +- 30 1 +- 19 3 Station 7110 (Monument Peak) (position fixed, acc. 10 mm) 7110 19 Aug 04 08:29 LAG1 4 0 8 0 +- 413 -3 +- 174 1 7110 20 Aug 04 03:19 LAG1 11 0 5 4 +- 15 0 +- 15 1 7110 20 Aug 04 06:13 LAG2 2 0 2 -78 +-2962 34 +-1266 0 7110 20 Aug 04 09:49 LAG2 9 0 7 6 +- 15 2 +- 21 3 7110 20 Aug 04 14:09 LAG2 7 0 5 4 +- 18 -2 +- 17 3 7110 21 Aug 04 05:11 LAG1 6 0 18 -1 +- 20 -8 +- 9 1 7110 21 Aug 04 07:43 LAG2 6 0 15 0 +- 69 -11 +- 50 1 7110 21 Aug 04 09:15 LAG1 2 0 5 84 +- 788 -52 +- 468 0 7110 21 Aug 04 12:02 LAG2 4 0 8 -49 +- 174 -33 +- 109 2 Station 7124 (Papeete) (position fixed, acc. 10 mm) 7124 14 Aug 04 10:57 LAG1 4 0 6 -14 +- 142 -5 +- 81 0 7124 18 Aug 04 08:55 LAG1 3 0 6 131 +- 528 57 +- 234 1 7124 18 Aug 04 12:28 LAG1 3 0 19 -2 +- 235 9 +- 142 0 Station 7231 (Wuhan) (position fixed, acc. 50 mm) 7231 18 Aug 04 17:09 LAG1 4 0 1254 1201 +- 187 74 +- 242 9*CHK* Station 7237 (Changchun) (position fixed, acc. 50 mm) 7237 14 Aug 04 11:45 LAG1 12 0 25 23 +- 46 7 +- 22 9 7237 14 Aug 04 12:24 LAG2 15 0 9 0 +- 47 -5 +- 32 5 7237 14 Aug 04 15:24 LAG1 7 0 30 27 +- 57 10 +- 63 8 7237 14 Aug 04 16:29 LAG2 11 0 25 10 +- 47 -20 +- 39 5 7237 15 Aug 04 14:02 LAG1 6 0 19 32 +- 125 19 +- 108 8 7237 15 Aug 04 14:33 LAG2 10 0 29 28 +- 51 -6 +- 49 9 7237 16 Aug 04 12:31 LAG2 8 0 20 15 +- 57 4 +- 36 5 7237 16 Aug 04 12:35 LAG1 12 0 28 27 +- 44 1 +- 23 7 7237 16 Aug 04 16:21 LAG1 7 0 24 19 +- 63 11 +- 110 6 7237 17 Aug 04 11:35 LAG1 10 0 46 28 +- 119 10 +- 70 9 7237 17 Aug 04 14:47 LAG1 5 0 39 25 +- 71 20 +- 38 7 7237 17 Aug 04 14:49 LAG2 5 0 33 30 +- 70 -12 +- 42 7 7237 17 Aug 04 19:02 LAG2 13 0 17 18 +- 69 -14 +- 43 9 7237 18 Aug 04 12:41 LAG2 14 0 12 8 +- 41 4 +- 24 6 7237 18 Aug 04 13:19 LAG1 11 0 19 19 +- 50 7 +- 29 3 7237 18 Aug 04 16:53 LAG2 13 0 18 15 +- 43 -5 +- 27 9 7237 18 Aug 04 17:07 LAG1 4 0 29 41 +- 130 31 +- 225 5 7237 19 Aug 04 11:21 LAG2 6 0 7 6 +- 276 -6 +- 186 5 7237 19 Aug 04 11:57 LAG1 18 0 38 13 +- 36 18 +- 19 10 7237 19 Aug 04 14:46 LAG2 16 0 19 15 +- 39 -3 +- 22 6 7237 19 Aug 04 15:38 LAG1 13 0 41 19 +- 49 19 +- 35 5 7237 19 Aug 04 19:03 LAG2 3 0 76 488 +-1107 232 +- 605 24 7237 20 Aug 04 11:07 LAG1 8 0 47 2 +- 218 23 +- 111 5 7237 20 Aug 04 12:59 LAG2 17 0 10 8 +- 37 -1 +- 27 6 7237 20 Aug 04 14:15 LAG1 12 0 43 19 +- 44 20 +- 26 5 7237 20 Aug 04 17:31 LAG2 13 0 11 33 +- 146 -16 +- 81 5 7237 21 Aug 04 11:19 LAG2 13 0 11 0 +- 53 -8 +- 48 8 7237 21 Aug 04 12:47 LAG1 18 0 9 0 +- 36 4 +- 21 5 7237 21 Aug 04 15:03 LAG2 22 0 24 21 +- 33 -4 +- 23 7 7237 21 Aug 04 16:29 LAG1 8 0 44 42 +- 55 6 +- 76 6 7237 21 Aug 04 19:24 LAG2 5 0 27 26 +- 80 0 +- 60 7 Station 7355 (Urumqi) (position solved, acc. 10 mm) 7355 14 Aug 04 15:39 LAG1 8 0 14 4 +- 15 -5 +- 15 13 7355 14 Aug 04 16:07 LAG2 16 1 33 16 +- 11 -14 +- 9 15 7355 14 Aug 04 20:35 LAG2 11 0 35 -20 +- 31 33 +- 22 20 7355 15 Aug 04 17:47 LAG1 6 3 23 12 +- 35 62 +- 76 9 7355 15 Aug 04 18:17 LAG2 18 2 18 -10 +- 10 -11 +- 9 9 7355 16 Aug 04 20:31 LAG2 18 2 16 6 +- 10 0 +- 10 14 7355 21 Aug 04 14:57 LAG2 15 0 14 -3 +- 10 3 +- 9 13 7355 21 Aug 04 16:31 LAG1 14 0 23 -16 +- 11 -4 +- 8 17 7355 21 Aug 04 19:18 LAG2 8 0 33 -24 +- 29 51 +- 29 7 Station 7405 (Concepcion) (position solved, acc. 20 mm) 7405 16 Aug 04 23:00 LAG2 1 0 17 0 +- 0 0 +- 0 0 7405 17 Aug 04 06:25 LAG1 5 0 3 0 +- 66 0 +- 53 3 7405 18 Aug 04 23:03 LAG2 8 0 3 4 +- 41 3 +- 35 2 Station 7501 (Hartebeesthoek) (position fixed, acc. 10 mm) 7501 15 Aug 04 17:25 LAG2 2 0 8 -46 +-1399 -32 +-1183 0 7501 16 Aug 04 07:01 LAG2 3 0 5 24 +- 150 28 +- 154 0 7501 16 Aug 04 15:29 LAG2 2 0 8 -197 +-1471 -164 +-1181 0 7501 17 Aug 04 13:35 LAG2 6 0 13 13 +- 17 14 +- 50 1 7501 17 Aug 04 17:26 LAG2 22 0 14 5 +- 8 8 +- 5 2 7501 19 Aug 04 17:41 LAG2 22 0 12 2 +- 9 7 +- 6 1 7501 20 Aug 04 11:54 LAG2 3 0 27 12 +- 70 34 +- 166 1 7501 20 Aug 04 15:45 LAG2 20 0 9 6 +- 9 3 +- 5 2 7501 21 Aug 04 05:31 LAG2 19 0 14 11 +- 10 -11 +- 8 2 7501 21 Aug 04 09:42 LAG2 13 0 5 5 +- 14 -1 +- 15 3 Station 7806 (Metsahovi) (position fixed, acc. 30 mm) 7806 14 Aug 04 20:02 LAG2 7 0 9 -8 +- 62 0 +- 78 3 7806 14 Aug 04 23:17 LAG1 11 0 15 -22 +- 61 5 +- 44 3 Station 7810 (Zimmerwald 423) (position fixed, acc. 60 mm) 7810 14 Aug 04 23:05 LAG1 14 0 12 -5 +- 72 -4 +- 45 2 7810 14 Aug 04 23:37 LAG2 10 0 5 -6 +- 112 -1 +- 64 3 7810 15 Aug 04 07:53 LAG2 17 0 17 -17 +- 45 -6 +- 48 2 7810 15 Aug 04 11:01 LAG1 18 0 20 6 +- 45 12 +- 27 7 7810 15 Aug 04 18:01 LAG1 18 0 9 -5 +- 44 4 +- 29 2 7810 15 Aug 04 21:36 LAG1 6 0 7 -2 +- 74 -4 +- 50 1 7810 15 Aug 04 21:44 LAG2 7 0 19 -12 +- 69 7 +- 36 3 7810 16 Aug 04 01:09 LAG1 10 0 5 0 +- 58 5 +- 56 1 7810 16 Aug 04 01:47 LAG2 25 0 9 -4 +- 36 3 +- 22 6 7810 16 Aug 04 09:57 LAG1 7 0 3 2 +- 102 1 +- 159 2 7810 18 Aug 04 10:29 LAG1 14 0 11 11 +- 52 4 +- 35 4 7810 18 Aug 04 14:01 LAG1 11 0 6 0 +- 75 -4 +- 49 3 7810 18 Aug 04 17:29 LAG1 14 0 13 7 +- 56 -4 +- 38 6 7810 18 Aug 04 20:55 LAG1 12 0 11 0 +- 53 -6 +- 29 2 7810 20 Aug 04 06:31 LAG2 5 0 4 -1 +- 85 0 +- 83 4 7810 20 Aug 04 14:53 LAG1 13 0 28 -19 +- 58 9 +- 41 2 7810 20 Aug 04 18:15 LAG1 14 0 5 -2 +- 50 2 +- 36 3 7810 21 Aug 04 13:36 LAG1 4 0 18 0 +- 479 -11 +- 287 2 7810 21 Aug 04 16:55 LAG1 8 0 3 11 +- 255 5 +- 136 2 7810 21 Aug 04 20:39 LAG1 11 0 32 -14 +- 104 -11 +- 62 2 Station 7811 (Borowiec) (position fixed, acc. 60 mm) 7811 14 Aug 04 01:47 LAG2 14 0 25 28 +- 57 19 +- 50 6 7811 18 Aug 04 20:27 LAG2 10 0 6 2 +- 64 -5 +- 62 3 7811 18 Aug 04 21:03 LAG1 13 0 18 15 +- 51 -9 +- 40 6 7811 19 Aug 04 00:30 LAG2 12 0 12 8 +- 66 -9 +- 56 8 7811 20 Aug 04 20:33 LAG2 7 0 11 14 +- 182 8 +- 154 9 Station 7824 (San Fernando) (position fixed, acc. 40 mm) 7824 17 Aug 04 22:04 LAG2 1 0 28 0 +- 0 0 +- 0 0 7824 17 Aug 04 22:29 LAG1 2 0 37 17 +- 855 -29 +-1211 0 7824 18 Aug 04 20:03 LAG2 18 0 26 26 +- 29 -3 +- 24 3 7824 20 Aug 04 20:39 LAG2 10 0 31 56 +- 147 -14 +- 82 4 7824 20 Aug 04 21:57 LAG1 3 0 50 48 +- 107 -9 +- 320 0 Station 7825 (Mount Stromlo) (position solved, acc. 10 mm) 7825 15 Aug 04 23:47 LAG2 7 7 0 0 +- 0 0 +- 0 0 7825 16 Aug 04 03:47 LAG2 14 14 0 0 +- 0 0 +- 0 0 7825 18 Aug 04 19:35 LAG1 4 0 2 -3 +- 74 -4 +- 80 2 7825 18 Aug 04 22:11 LAG2 4 0 16 16 +- 21 6 +- 77 2 7825 18 Aug 04 23:01 LAG1 5 0 20 -11 +- 19 -27 +- 39 8 7825 19 Aug 04 20:25 LAG2 4 0 9 -12 +- 52 18 +- 105 7 7825 20 Aug 04 00:27 LAG2 10 1 13 18 +- 52 -3 +- 27 7 7825 20 Aug 04 01:07 LAG1 9 2 13 -9 +- 17 7 +- 11 6 7825 20 Aug 04 04:21 LAG2 11 0 10 -5 +- 13 -6 +- 16 8 7825 20 Aug 04 22:27 LAG2 7 0 9 16 +- 29 -14 +- 30 4 7825 20 Aug 04 23:49 LAG1 2 0 23 -25 +- 62 -7 +- 227 0 Station 7832 (Riyad) (position solved, acc. 20 mm) 7832 14 Aug 04 02:03 LAG2 9 0 7 12 +- 58 3 +- 35 2 7832 14 Aug 04 16:19 LAG2 3 0 9 16 +- 880 -4 +- 501 0 7832 14 Aug 04 19:51 LAG2 12 0 13 -5 +- 19 -14 +- 23 7 7832 14 Aug 04 22:49 LAG1 10 0 6 -11 +- 42 8 +- 38 3 7832 15 Aug 04 00:13 LAG2 2 0 15 -71 +-1137 -76 +-1017 0 7832 15 Aug 04 04:25 LAG2 7 0 36 -32 +- 58 -57 +- 56 15 7832 15 Aug 04 07:45 LAG1 3 0 10 7 +- 224 2 +- 202 8 7832 15 Aug 04 17:45 LAG1 4 0 5 -18 +- 214 -14 +- 150 3 7832 15 Aug 04 18:19 LAG2 7 0 6 -36 +- 167 18 +- 85 2 7832 15 Aug 04 21:19 LAG1 9 0 7 4 +- 23 3 +- 20 1 7832 15 Aug 04 22:11 LAG2 11 0 3 0 +- 19 5 +- 38 1 7832 16 Aug 04 02:19 LAG2 2 0 18 81 +-3546 29 +-1656 0 7832 16 Aug 04 16:13 LAG2 11 0 18 13 +- 31 5 +- 29 1 7832 16 Aug 04 16:39 LAG1 5 0 36 38 +- 34 -17 +- 94 3 7832 16 Aug 04 20:17 LAG1 7 0 7 -37 +- 220 12 +- 86 1 7832 16 Aug 04 20:31 LAG2 8 0 19 -48 +- 157 17 +- 91 2 7832 17 Aug 04 00:21 LAG2 9 0 18 15 +- 85 -2 +- 67 2 7832 17 Aug 04 17:57 LAG2 11 0 16 -32 +- 67 -9 +- 35 3 7832 17 Aug 04 18:37 LAG1 6 0 9 -7 +- 33 5 +- 51 0 7832 17 Aug 04 22:05 LAG1 9 0 21 17 +- 22 7 +- 19 2 7832 17 Aug 04 22:35 LAG2 10 0 13 -14 +- 30 2 +- 49 2 7832 18 Aug 04 02:30 LAG2 7 0 16 2 +- 109 -7 +- 56 1 7832 18 Aug 04 07:27 LAG1 6 0 25 8 +- 109 12 +- 78 5 7832 18 Aug 04 16:12 LAG2 16 0 7 2 +- 16 5 +- 14 4 7832 18 Aug 04 17:15 LAG1 6 0 37 41 +- 55 5 +- 63 3 7832 20 Aug 04 20:51 LAG2 9 0 35 -30 +- 50 -4 +- 53 1 7832 20 Aug 04 21:35 LAG1 10 0 7 8 +- 24 -2 +- 25 1 7832 21 Aug 04 00:55 LAG2 11 0 16 -18 +- 22 -7 +- 20 2 7832 21 Aug 04 05:13 LAG2 11 0 16 18 +- 24 -20 +- 30 2 7832 21 Aug 04 16:47 LAG1 9 0 9 9 +- 22 0 +- 34 2 7832 21 Aug 04 18:33 LAG2 6 0 24 -14 +- 131 6 +- 86 0 7832 21 Aug 04 20:07 LAG1 6 0 10 -20 +- 60 -10 +- 48 1 7832 21 Aug 04 22:57 LAG2 12 0 22 -14 +- 19 -17 +- 21 3 Station 7835 (Grasse) (position fixed, acc. 30 mm) 7835 16 Aug 04 20:10 LAG2 2 0 13 6 +- 78 -24 +- 226 0 Station 7837 (Shanghai Observatory) (position fixed, acc. 50 mm) 7837 14 Aug 04 12:11 LAG2 20 0 13 12 +- 34 -2 +- 25 4 7837 14 Aug 04 15:11 LAG1 14 0 9 6 +- 40 0 +- 20 6 7837 14 Aug 04 16:31 LAG2 15 0 19 4 +- 62 -18 +- 53 6 7837 15 Aug 04 14:01 LAG1 9 0 13 10 +- 51 4 +- 58 7 7837 15 Aug 04 14:21 LAG2 18 0 14 13 +- 39 -6 +- 25 5 7837 16 Aug 04 16:09 LAG1 7 0 32 10 +- 75 36 +- 93 21 7837 18 Aug 04 16:53 LAG1 9 0 13 -11 +- 51 -1 +- 46 6 7837 19 Aug 04 15:05 LAG2 9 0 12 20 +- 97 -12 +- 95 4 7837 19 Aug 04 15:35 LAG1 12 0 18 -3 +- 48 13 +- 37 7 7837 19 Aug 04 19:21 LAG2 7 0 13 -13 +- 62 16 +- 142 4 Station 7838 (Simosato Observatory) (position fixed, acc. 30 mm) 7838 18 Aug 04 17:01 LAG2 8 0 20 19 +- 36 4 +- 35 10 7838 20 Aug 04 10:59 LAG1 6 0 29 32 +- 155 -2 +- 104 5 7838 20 Aug 04 12:49 LAG2 29 0 27 26 +- 17 0 +- 10 6 7838 20 Aug 04 13:59 LAG1 6 0 10 30 +- 312 17 +- 134 2 7838 21 Aug 04 10:57 LAG2 24 0 37 34 +- 19 -5 +- 12 3 Station 7839 (Graz) (position fixed, acc. 10 mm) 7839 15 Aug 04 17:57 LAG1 17 0 7 -1 +- 10 3 +- 5 1 7839 15 Aug 04 17:59 LAG2 14 0 5 -3 +- 11 5 +- 11 1 7839 15 Aug 04 21:31 LAG1 12 0 5 -4 +- 12 0 +- 6 2 7839 16 Aug 04 01:03 LAG1 13 0 12 4 +- 11 9 +- 11 3 7839 16 Aug 04 01:47 LAG2 33 0 7 0 +- 7 4 +- 4 2 7839 16 Aug 04 05:59 LAG2 23 0 7 -4 +- 9 -2 +- 6 1 7839 16 Aug 04 09:39 LAG1 15 0 2 1 +- 10 0 +- 8 1 7839 16 Aug 04 16:43 LAG1 14 0 18 7 +- 11 -11 +- 9 1 7839 16 Aug 04 20:11 LAG2 15 0 16 -12 +- 15 -3 +- 9 1 7839 16 Aug 04 20:13 LAG1 15 0 17 -3 +- 13 -7 +- 6 1 7839 16 Aug 04 23:47 LAG1 14 0 4 -4 +- 12 1 +- 8 2 7839 17 Aug 04 00:01 LAG2 20 0 8 -8 +- 9 0 +- 7 1 7839 17 Aug 04 08:18 LAG2 5 0 12 -12 +- 19 -12 +- 79 0 7839 17 Aug 04 11:49 LAG1 13 0 10 3 +- 12 5 +- 6 3 7839 17 Aug 04 15:23 LAG1 5 0 16 7 +- 119 12 +- 61 0 7839 17 Aug 04 18:29 LAG2 10 0 13 11 +- 30 2 +- 26 1 7839 17 Aug 04 18:44 LAG1 10 0 13 -5 +- 25 5 +- 15 1 7839 17 Aug 04 22:19 LAG2 13 0 11 -5 +- 15 10 +- 11 0 7839 17 Aug 04 22:23 LAG1 14 0 6 -1 +- 13 3 +- 6 2 7839 18 Aug 04 02:09 LAG2 29 0 8 3 +- 7 3 +- 4 3 7839 18 Aug 04 06:13 LAG2 19 0 2 0 +- 9 0 +- 7 2 7839 18 Aug 04 10:33 LAG1 12 0 11 8 +- 13 1 +- 6 3 7839 18 Aug 04 14:01 LAG1 12 0 13 -2 +- 12 -7 +- 7 2 7839 18 Aug 04 17:59 LAG1 4 0 15 39 +- 255 -23 +- 109 0 7839 18 Aug 04 20:19 LAG2 8 0 13 -11 +- 15 -1 +- 8 1 7839 18 Aug 04 20:49 LAG1 16 0 14 -2 +- 10 -7 +- 5 3 7839 19 Aug 04 00:13 LAG2 16 0 10 -4 +- 10 -5 +- 6 1 7839 19 Aug 04 00:37 LAG1 11 0 17 17 +- 14 0 +- 12 2 7839 19 Aug 04 09:07 LAG1 14 0 14 14 +- 11 -4 +- 10 1 7839 19 Aug 04 16:15 LAG1 16 0 4 0 +- 11 3 +- 7 1 7839 19 Aug 04 18:29 LAG2 12 0 11 0 +- 12 14 +- 16 0 7839 19 Aug 04 19:31 LAG1 15 0 4 -3 +- 11 1 +- 6 2 7839 19 Aug 04 22:12 LAG2 15 0 20 -7 +- 10 9 +- 5 1 7839 19 Aug 04 23:03 LAG1 20 0 3 3 +- 10 -1 +- 6 2 7839 20 Aug 04 02:18 LAG2 19 0 6 -2 +- 11 1 +- 6 6 7839 20 Aug 04 06:29 LAG2 17 0 4 -1 +- 10 -2 +- 8 2 Station 7840 (Herstmonceux) (position fixed, acc. 20 mm) 7840 14 Aug 04 16:03 LAG1 15 0 15 -3 +- 17 -10 +- 12 1 7840 14 Aug 04 23:03 LAG1 14 0 5 5 +- 18 -2 +- 13 2 7840 14 Aug 04 23:39 LAG2 18 0 5 0 +- 15 0 +- 9 4 7840 18 Aug 04 17:37 LAG1 5 0 39 48 +- 123 5 +- 81 2 7840 18 Aug 04 21:30 LAG1 5 0 24 52 +- 347 -30 +- 137 3 7840 19 Aug 04 16:17 LAG1 15 0 6 2 +- 17 4 +- 12 2 7840 21 Aug 04 13:41 LAG1 2 0 24 9 +- 149 -13 +- 129 0 7840 21 Aug 04 22:33 LAG2 11 0 10 5 +- 26 12 +- 25 1 Station 7841 (Potsdam) (position solved, acc. 10 mm) 7841 14 Aug 04 23:05 LAG1 3 0 2 0 +- 98 -2 +- 125 0 7841 15 Aug 04 21:35 LAG1 8 0 7 3 +- 28 -3 +- 21 1 7841 15 Aug 04 22:01 LAG2 10 0 9 -4 +- 14 8 +- 17 1 7841 16 Aug 04 02:05 LAG2 13 0 6 4 +- 12 2 +- 12 2 7841 17 Aug 04 04:25 LAG2 7 1 17 9 +- 35 -25 +- 42 10 7841 17 Aug 04 22:27 LAG2 7 0 20 -28 +- 44 27 +- 28 6 7841 18 Aug 04 14:05 LAG1 7 0 14 17 +- 44 1 +- 29 2 7841 18 Aug 04 17:41 LAG1 8 0 23 17 +- 16 10 +- 20 8 7841 18 Aug 04 20:29 LAG2 4 0 10 -7 +- 25 14 +- 89 2 7841 18 Aug 04 21:09 LAG1 13 0 11 -1 +- 15 -6 +- 10 4 7841 19 Aug 04 12:35 LAG1 10 0 20 3 +- 45 11 +- 21 4 7841 20 Aug 04 11:18 LAG1 7 0 9 1 +- 34 4 +- 24 8 7841 20 Aug 04 21:55 LAG1 8 4 848 850 +- 24 -9 +- 64 0*CHK* 7841 21 Aug 04 00:25 LAG2 15 0 7 -10 +- 17 -8 +- 12 2 Station 7845 (Grasse) (position fixed, acc. 20 mm) 7845 16 Aug 04 19:55 LAG2 18 0 10 -5 +- 15 -5 +- 10 3 7845 16 Aug 04 23:39 LAG1 22 0 7 5 +- 14 0 +- 8 3 7845 18 Aug 04 20:01 LAG2 27 0 14 -11 +- 12 -4 +- 7 2 7845 18 Aug 04 20:59 LAG1 17 0 15 0 +- 18 -7 +- 9 5 7845 19 Aug 04 00:03 LAG2 21 0 13 -4 +- 14 -7 +- 8 3 7845 19 Aug 04 19:29 LAG1 7 0 4 -5 +- 175 0 +- 75 1 Station 8834 (Wettzell) (position fixed, acc. 10 mm) 8834 15 Aug 04 14:31 LAG1 8 0 20 -11 +- 18 5 +- 8 3 8834 15 Aug 04 18:15 LAG1 5 0 11 -9 +- 19 5 +- 17 5 8834 15 Aug 04 21:47 LAG1 5 0 13 -14 +- 42 0 +- 29 5 8834 15 Aug 04 22:03 LAG2 19 0 17 -24 +- 13 10 +- 8 2 8834 16 Aug 04 01:22 LAG1 3 0 7 -5 +- 30 9 +- 170 1 8834 16 Aug 04 01:55 LAG2 18 0 16 -14 +- 10 2 +- 6 4 8834 16 Aug 04 05:55 LAG2 12 0 10 -9 +- 12 0 +- 8 4 8834 16 Aug 04 13:13 LAG1 5 0 19 31 +- 196 4 +- 80 2 8834 17 Aug 04 00:21 LAG2 5 0 20 -22 +- 34 3 +- 48 3 8834 17 Aug 04 04:05 LAG2 4 0 10 -24 +- 402 -17 +- 195 0 8834 17 Aug 04 08:29 LAG2 1 0 43 0 +- 0 0 +- 0 0 8834 17 Aug 04 11:43 LAG1 10 0 13 6 +- 48 7 +- 20 8 8834 17 Aug 04 22:41 LAG1 3 0 8 -22 +- 150 21 +- 121 6 8834 18 Aug 04 02:16 LAG2 3 0 19 20 +- 162 24 +- 105 3 8834 18 Aug 04 10:35 LAG1 2 0 7 33 +- 535 26 +- 353 0 8834 18 Aug 04 13:59 LAG1 11 0 12 -5 +- 14 -6 +- 7 4 8834 18 Aug 04 17:37 LAG1 9 0 8 7 +- 14 -1 +- 14 4 8834 18 Aug 04 20:47 LAG2 5 0 31 -35 +- 237 1 +- 115 2 8834 18 Aug 04 21:13 LAG1 6 0 23 -10 +- 31 -13 +- 31 4 8834 19 Aug 04 00:31 LAG2 5 0 13 -13 +- 18 -10 +- 56 1 8834 19 Aug 04 00:44 LAG1 5 0 3 3 +- 20 8 +- 62 1 8834 19 Aug 04 04:17 LAG2 11 0 25 -9 +- 18 -19 +- 11 5 8834 19 Aug 04 08:29 LAG2 1 0 8 0 +- 0 0 +- 0 0 8834 19 Aug 04 12:33 LAG1 4 0 41 31 +- 684 25 +- 238 1 8834 20 Aug 04 20:31 LAG2 2 0 25 -8 +- 543 10 +- 349 0 8834 20 Aug 04 22:03 LAG1 2 0 15 -3 +- 130 -26 +- 301 0 -------------------------------------------------------------------------------- Distribution of daytime, nighttime and twilight passes since Jan 1, 2003: -------------------------------------------------------------------------- Station System Period Number of Passes LAGEOS-1 LAGEOS-2 Day/Night/Twil. Day/Night/Twil. Total -------------------------------------------------------------------------- 1824 KIEVLA 040314 - 040815 0/ 14/ 0 0/ 2/ 0 16 1831 LVIL 040815 - 040819 0/ 4/ 0 0/ 3/ 0 7 1863 MDNLAS 040103 - 040117 0/ 2/ 0 0/ 4/ 0 6 1864 MD2LAS 040102 - 040822 0/113/ 0 0/ 49/ 0 162 1868 KOMLAS 040315 - 040614 0/ 15/ 0 0/ 3/ 0 18 1873 SIMLAS 040118 - 040822 0/ 35/ 0 0/ 15/ 0 50 1884 RIGLAS 040310 - 040822 0/ 57/ 1 0/ 8/ 0 66 1893 CRMLAS 040331 - 040822 0/ 35/ 0 0/ 19/ 0 54 6405 TIGO 040103 - 040730 2/ 15/ 2 2/ 4/ 0 25 6810 ZIMLAT 040107 - 040823 114/173/ 24 122/ 90/ 9 532 7080 MLRS25 040104 - 040821 47/ 76/ 12 59/ 63/ 5 262 7090 ML0514 040101 - 040822 182/205/ 41 140/268/ 29 865 7105 ML0725 040104 - 040823 20/ 71/ 8 5/ 60/ 6 170 7110 ML0414 040102 - 040822 84/180/ 17 102/102/ 13 498 7124 ML0819 040315 - 040818 0/ 19/ 0 0/ 15/ 0 34 7210 HOLLAS 040105 - 040607 33/ 49/ 3 50/ 52/ 6 193 7231 WUHA01 040408 - 040818 0/ 3/ 0 0/ 6/ 0 9 7237 CHALAS 040101 - 040823 0/283/ 6 0/161/ 2 452 7249 BEJLAS 040101 - 040713 0/177/ 1 0/125/ 0 303 7308 CRLLAS 040106 - 040311 5/ 47/ 0 0/ 38/ 2 92 7355 TROS02 040509 - 040821 0/ 78/ 0 0/ 32/ 0 110 7405 TIGO 040103 - 040823 0/ 12/ 2 0/ 4/ 0 18 7501 ML0616 040106 - 040823 53/ 50/ 18 71/128/ 12 332 7806 METLAS 040720 - 040814 0/ 4/ 0 0/ 4/ 0 8 7810 ZIMLAT 040507 - 040823 122/ 86/ 20 108/ 32/ 9 377 7811 POLLAS 040105 - 040820 0/ 98/ 0 0/ 43/ 0 141 7823 FTLR** 040612 - 040626 0/ 9/ 0 1/ 1/ 1 12 7824 SPNLAS 040109 - 040820 0/102/ 0 0/ 60/ 1 163 7825 STL3 040807 - 040822 9/ 1/ 0 12/ 1/ 2 25 7830 FTLR** 030903 - 030903 0/ 0/ 0 0/ 1/ 0 1 7832 SALRO 040102 - 040823 89/238/ 23 166/202/ 27 745 7835 GRASSE 040301 - 040816 1/ 64/ 3 0/ 33/ 1 102 7836 GFZLAS 040105 - 040701 0/ 38/ 0 0/ 21/ 1 60 7837 CHILAS 040102 - 040819 0/ 57/ 0 0/ 62/ 1 120 7838 SHOLAS 040105 - 040821 22/174/ 2 44/126/ 7 375 7839 AUSLAS 040107 - 040823 70/153/ 22 59/ 96/ 11 411 7840 RGOLAS 040102 - 040822 113/198/ 36 106/ 98/ 15 566 7841 GFZLA3 040112 - 040823 20/ 81/ 14 15/ 46/ 10 186 7845 GRASLL 040318 - 040823 7/ 18/ 0 11/ 6/ 0 42 7941 MLROnn 040111 - 040802 102/141/ 22 102/102/ 9 478 8834 WLRS01 040108 - 040823 155/169/ 38 160/101/ 16 639 -------------------------------------------------------------------------- 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) -------------------------------------------------------------- 040815.0 111.4 +/- 0.1 514.5 +/- 0.1 -32503.76 +/- 0.01 040816.0 114.6 +/- 0.1 514.0 +/- 0.1 -32503.54 +/- 0.02 040817.0 117.5 +/- 0.1 513.3 +/- 0.1 -32503.48 +/- 0.03 040818.0 119.6 +/- 0.1 512.9 +/- 0.1 -32503.79 +/- 0.04 040819.0 122.2 +/- 0.1 511.7 +/- 0.1 -32504.19 +/- 0.05 040820.0 124.0 +/- 0.1 511.7 +/- 0.1 -32504.80 +/- 0.05 040821.0 126.3 +/- 0.1 510.9 +/- 0.1 -32505.38 +/- 0.06 -------------------------------------------------------------- D. COMMENTS 1. The analysis covered in this report is based on a new set of station coordinates: instead of the solution SSC(DUT)93L05, which was extrapolated over some 10 years beyond the epoch of the latest observations, the current analysis relies on the ITRF2000 solution. Tests performed during the last year show that the rms-of-fit that can be obtained when using ITRF2000 can be reduced to about 2 cm (instead of the 3+ cm which was achieved with the old model, for present-day epochs). Other model modifications are to be expected. We hope to serve the community with this development. 2. As of July 1, a new computation model and analysis strategy are in use: in terms of geometric modeling, models for ocean loading and atmospheric pressure loading have been turned on. The frequency of the solutions for the Earth Orientation Parameters has been increased to once per day (rather than once per 3 days). As a consequence, the arc length has been changed from 10 days to 8 days. Also, the empirical accelerations acting on the spacecraft are estimated twice per arc (i.e. for 4-day periods). To absorb (unmodeled) geocenter motion, 3 coefficients of the gravity field model are estimated: C(1,0), C(1,1) and S(1,1). Finally, the overall weighting scheme for the individual SLR observations is also modified slightly. 3. As of the same date, provisions for handling the dual-wavelength systems 7405 and 7810 properly have been installed. This is done by introducing dummy station ids 6405 and 6810 for the observations taken on 2nd wavelength. The specific analysis results are easily recognizable because the wavelength has been added to the printout of the station name. 4. As of July 7, 2004, similar provisions for handling the dual-wavelength system 7941 properly have been installed. This is done by introducing a dummy station id 6941 for the observations taken on 2nd wavelength. From: Ron Noomen ******************************************************************************** |