| Date: | 2004-07-06 11:15:00 | |
| Sender: | Ron Noomen <Ron Noomen <ron@astro.lr.tudelft.nl>> | |
| Subject: | [SLR-Report] No. 4058: Delft QL Report July 06, 2004 | |
| Author: | Ron Noomen | |
| Content: | ******************************************************************************** SLR Electronic Report 2004-07-06 11:15:00 UTC Message No. 4058 ******************************************************************************** Author: Ron Noomen Subject: Delft QL Report July 06, 2004 WEGENER-2 IERS REPORT OF THE QUICK-LOOK DATA ANALYSIS CENTER DELFT UNIVERSITY OF TECHNOLOGY FACULTY OF AEROSPACE ENGINEERING THE NETHERLANDS July 6, 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, Jul 5, 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, Jul 5, 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 ------------------------------------------------------------------------------ 1824 Kiev, Ukraine 040701 - 040704 2 - 1864 Maidanak, Uzbekistan (site 2) 040625 - 040702 7 3 1873 Simeiz, Crimea, Ukraine 040613 - 040703 5 2 1893 Kazivili, Crimea, Ukraine 040611 - 040630 3 - 6810 Zimmerwald 846, Switzerland 040612 - 040612 1 1 7080 McDonald Obs., Fort Davis, TX 040701 - 040701 1 1 7090 Yarragadee, Australia 040628 - 040629 1 5 7105 Greenbelt, Maryland 040629 - 040701 4 2 7110 Monument Peak, California 040628 - 040703 15 11 7124 Papeete, Tahiti 040705 - 040705 - 1 7231 Wuhan, China (new) 040701 - 040701 - 1 7237 Changchun, China 040629 - 040703 3 1 7249 Beijing, China 040701 - 040701 1 1 7355 Urumqi, China (TROS) 040613 - 040704 9 3 7501 Hartebeesthoek, SA (MOB-6) 040628 - 040703 - 6 7810 Zimmerwald 423, Switzerland 040612 - 040705 23 16 7811 Borowiec, Poland 040628 - 040629 1 - 7823 San Fernando, Spain (FTLRS) 040613 - 040614 1 2 7824 San Fernando, Spain 040612 - 040705 5 2 7832 Riyad, Saudi Arabia 040612 - 040705 16 18 7835 Grasse, France 040702 - 040702 1 - 7836 Potsdam, Germany 040607 - 040701 3 - 7837 Shanghai Observatory, China 040612 - 040704 3 1 7838 Simosato Observatory, Japan 040628 - 040702 5 - 7839 Graz, Austria 040606 - 040705 13 9 7840 Herstmonceux, United Kingdom 040612 - 040705 16 10 7841 Potsdam, Germany 040628 - 040705 5 3 7845 Grasse, France (LLR) 040705 - 040705 - 1 7941 Matera, Italy (MLRO) 040612 - 040705 26 20 8834 Wettzell, Germany 040612 - 040705 16 18 ------ ------ --- --- TOTAL 040606 - 040705 186 138 ------------------------------------------------------------------------------ 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, Jun 26, 2004 to Sun, Jul 4, 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 24 19 Number of Passes 157/155 117/114 Number of Normal Points 1458/1404 1245/1204 Weighted RMS of Fit (mm) 11 10 ----------------------------------------------------------------------- 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 1 Jul 04 22:53 LAG1 5 0 12 2 +-1765 1 +- 909 12 Station 1864 (Maidanak) (position fixed, acc. 200 mm) 1864 26 Jun 04 18:57 LAG1 7 0 40 -34 +- 292 3 +- 249 13 1864 26 Jun 04 20:36 LAG2 9 0 24 -20 +- 200 6 +- 246 11 1864 27 Jun 04 17:39 LAG1 10 0 42 -38 +- 190 0 +- 169 18 1864 29 Jun 04 18:31 LAG1 2 0 22 151 +-5332 207 +-6497 0 1864 30 Jun 04 20:25 LAG1 11 0 38 -37 +- 190 0 +- 98 9 1864 1 Jul 04 19:09 LAG1 11 0 52 -49 +- 183 -5 +- 121 17 1864 2 Jul 04 17:53 LAG1 6 0 48 -57 +- 369 -15 +- 397 6 1864 2 Jul 04 21:37 LAG2 6 0 38 -22 +-1427 -8 +- 847 10 Station 1873 (Simeiz) (position fixed, acc. 200 mm) 1873 27 Jun 04 22:39 LAG2 10 0 60772 315 +- 191 100037 +- 314 105*CHK* 1873 28 Jun 04 23:23 LAG1 3 0 99999 308 +-5415 100087 +-2525 10*CHK* 1873 29 Jun 04 00:33 LAG2 6 1 99999 265 +- 514 100090 +- 383 15*CHK* 1873 3 Jul 04 20:13 LAG1 4 1 260 -202 +- 960 -548 +-1237 76 Station 1893 (Kazivili) (position fixed, acc. 100 mm) 1893 30 Jun 04 20:51 LAG1 3 0 26 -8 +- 549 26 +- 781 2 Station 7080 (McDonald Obs.) (position fixed, acc. 20 mm) 7080 1 Jul 04 07:45 LAG1 6 0 7 10 +- 76 11 +- 55 1 7080 1 Jul 04 08:04 LAG2 17 0 14 8 +- 17 6 +- 13 2 Station 7090 (Yarragadee) (position fixed, acc. 10 mm) 7090 26 Jun 04 07:45 LAG2 16 0 9 -8 +- 11 -1 +- 8 2 7090 26 Jun 04 12:03 LAG2 18 0 2 1 +- 12 -2 +- 10 0 7090 26 Jun 04 15:55 LAG2 24 0 5 3 +- 8 1 +- 4 4 7090 26 Jun 04 18:13 LAG1 15 0 12 -15 +- 13 3 +- 7 2 7090 26 Jun 04 21:33 LAG1 18 0 5 0 +- 9 -3 +- 6 1 7090 27 Jun 04 01:03 LAG1 7 0 13 -8 +- 19 -6 +- 27 6 7090 27 Jun 04 17:07 LAG1 5 0 5 -10 +- 112 2 +- 74 1 7090 27 Jun 04 18:17 LAG2 11 0 2 0 +- 14 0 +- 9 2 7090 28 Jun 04 08:03 LAG2 13 0 14 -12 +- 13 -2 +- 12 1 7090 28 Jun 04 12:09 LAG2 14 0 8 -4 +- 11 -5 +- 8 2 7090 28 Jun 04 16:17 LAG2 5 0 11 19 +- 34 10 +- 27 2 7090 29 Jun 04 05:14 LAG1 1 0 25 0 +- 0 0 +- 0 0 7090 29 Jun 04 06:11 LAG2 7 0 9 -11 +- 18 4 +- 14 1 7090 29 Jun 04 10:09 LAG2 11 0 12 -12 +- 13 0 +- 8 2 7090 29 Jun 04 14:23 LAG2 6 0 12 21 +- 106 5 +- 61 1 Station 7105 (Greenbelt) (position fixed, acc. 10 mm) 7105 28 Jun 04 04:41 LAG1 14 0 7 5 +- 12 0 +- 9 5 7105 28 Jun 04 06:11 LAG2 10 0 6 -2 +- 28 -2 +- 24 3 7105 28 Jun 04 08:20 LAG1 3 0 16 60 +- 128 65 +- 123 8 7105 29 Jun 04 06:51 LAG1 22 0 3 1 +- 9 1 +- 5 2 7105 29 Jun 04 08:01 LAG2 17 0 6 0 +- 10 0 +- 7 6 7105 30 Jun 04 02:13 LAG1 2 0 7 -6 +- 356 -14 +- 365 0 7105 30 Jun 04 05:31 LAG1 13 0 6 5 +- 11 0 +- 7 3 7105 30 Jun 04 06:07 LAG2 13 0 9 2 +- 11 -6 +- 7 4 7105 1 Jul 04 04:15 LAG1 12 0 5 0 +- 12 2 +- 10 4 Station 7110 (Monument Peak) (position fixed, acc. 10 mm) 7110 28 Jun 04 14:01 LAG2 6 0 8 0 +- 31 -14 +- 55 1 7110 28 Jun 04 18:33 LAG2 2 0 13 287 +-1063 -175 +- 625 0 7110 29 Jun 04 03:56 LAG1 5 0 7 4 +- 36 3 +- 51 1 7110 29 Jun 04 16:09 LAG2 5 0 6 -14 +- 61 -16 +- 83 3 7110 29 Jun 04 20:15 LAG2 6 0 8 1 +- 46 9 +- 46 2 7110 29 Jun 04 23:07 LAG1 7 0 18 11 +- 19 -10 +- 23 2 7110 30 Jun 04 02:31 LAG1 3 0 5 -16 +- 178 -21 +- 190 0 7110 30 Jun 04 06:03 LAG1 1 0 25 0 +- 0 0 +- 0 0 7110 30 Jun 04 09:05 LAG1 20 0 2 0 +- 9 0 +- 5 2 7110 30 Jun 04 09:55 LAG2 12 0 12 1 +- 12 -14 +- 14 1 7110 30 Jun 04 14:00 LAG2 2 0 52 -76 +- 603 -93 +- 435 0 7110 30 Jun 04 18:12 LAG2 5 0 8 -64 +- 157 -37 +- 87 2 7110 1 Jul 04 01:15 LAG1 8 0 6 -5 +- 14 -2 +- 18 1 7110 1 Jul 04 04:33 LAG1 2 0 14 5 +- 394 -10 +- 477 0 7110 1 Jul 04 23:49 LAG1 6 0 7 -7 +- 60 0 +- 38 2 7110 2 Jul 04 03:25 LAG1 6 0 6 4 +- 36 0 +- 43 3 7110 2 Jul 04 06:31 LAG1 3 0 21 39 +- 191 13 +- 135 0 7110 2 Jul 04 09:51 LAG1 3 0 27 -52 +- 773 -10 +- 319 1 7110 2 Jul 04 09:57 LAG2 11 0 27 -7 +- 22 -23 +- 16 2 7110 2 Jul 04 14:25 LAG2 7 0 17 -17 +- 17 -29 +- 41 1 7110 2 Jul 04 22:43 LAG1 8 0 5 -1 +- 34 3 +- 22 3 7110 3 Jul 04 02:01 LAG1 6 3 19 -18 +- 71 2 +- 113 2 7110 3 Jul 04 05:19 LAG1 1 0 17 0 +- 0 0 +- 0 0 7110 3 Jul 04 08:13 LAG2 6 0 12 -12 +- 58 0 +- 52 3 7110 3 Jul 04 08:31 LAG1 20 0 6 -3 +- 9 2 +- 4 2 7110 3 Jul 04 12:11 LAG2 8 0 5 4 +- 20 0 +- 20 1 Station 7231 (Wuhan) (position fixed, acc. 50 mm) 7231 1 Jul 04 19:19 LAG2 19 0 59 -28 +- 40 -27 +- 27 4 Station 7237 (Changchun) (position fixed, acc. 50 mm) 7237 29 Jun 04 14:35 LAG1 12 0 15 12 +- 44 -2 +- 25 6 7237 2 Jul 04 17:42 LAG2 6 0 35 12 +- 86 -25 +- 51 8 7237 2 Jul 04 17:58 LAG1 2 0 23 10 +-1237 8 +- 877 0 7237 3 Jul 04 16:17 LAG1 3 0 38 65 +- 774 19 +- 519 7 Station 7249 (Beijing) (position solved, acc. 50 mm) 7249 1 Jul 04 15:31 LAG1 10 0 11 -9 +- 48 2 +- 44 6 7249 1 Jul 04 19:29 LAG2 11 0 14 4 +- 49 10 +- 49 5 Station 7355 (Urumqi) (position solved, acc. 10 mm) 7355 28 Jun 04 16:13 LAG1 13 2 28 19 +- 12 -8 +- 10 18 7355 28 Jun 04 19:37 LAG1 18 1 24 -16 +- 10 0 +- 6 18 7355 28 Jun 04 20:51 LAG2 13 2 32 -5 +- 22 -25 +- 17 15 7355 29 Jun 04 18:16 LAG1 16 1 84 42 +- 10 39 +- 7 53 7355 29 Jun 04 19:13 LAG2 9 4 34 -25 +- 33 8 +- 54 27 7355 2 Jul 04 17:47 LAG1 10 3 485 -487 +- 17 -6 +- 21 15*CHK* 7355 3 Jul 04 19:34 LAG2 9 6 21 -160 +- 192 118 +- 145 7 7355 3 Jul 04 20:01 LAG1 9 1 26 16 +- 15 -21 +- 20 9 Station 7501 (Hartebeesthoek) (position fixed, acc. 10 mm) 7501 28 Jun 04 15:37 LAG2 13 0 22 11 +- 12 21 +- 14 1 7501 30 Jun 04 15:46 LAG2 10 0 11 11 +- 15 0 +- 17 2 7501 30 Jun 04 20:07 LAG2 10 0 7 9 +- 20 10 +- 19 1 7501 1 Jul 04 00:27 LAG2 8 0 10 -20 +- 43 23 +- 37 1 7501 1 Jul 04 18:05 LAG2 21 0 4 -3 +- 9 2 +- 8 1 7501 3 Jul 04 18:25 LAG2 19 0 7 1 +- 10 4 +- 8 1 Station 7810 (Zimmerwald 423) (position fixed, acc. 60 mm) 7810 26 Jun 04 00:37 LAG1 4 0 8 -16 +-1189 2 +- 453 0 7810 26 Jun 04 02:07 LAG2 20 0 7 -6 +- 41 0 +- 25 2 7810 26 Jun 04 06:11 LAG2 33 0 5 -3 +- 33 1 +- 27 4 7810 26 Jun 04 10:35 LAG2 11 0 12 -3 +- 79 -5 +- 47 5 7810 26 Jun 04 12:14 LAG1 24 0 7 2 +- 37 3 +- 31 5 7810 26 Jun 04 15:47 LAG1 45 0 11 -4 +- 27 4 +- 14 5 7810 27 Jun 04 00:41 LAG2 7 0 3 -8 +- 233 5 +- 203 1 7810 27 Jun 04 02:15 LAG1 17 0 7 -3 +- 44 2 +- 32 4 7810 27 Jun 04 04:19 LAG2 30 0 5 1 +- 33 1 +- 27 4 7810 27 Jun 04 08:16 LAG2 29 0 57 -39 +- 46 -30 +- 31 45 7810 28 Jun 04 23:37 LAG1 2 0 4 -38 +-2184 -26 +-1384 0 7810 29 Jun 04 00:37 LAG2 9 0 11 -8 +- 62 6 +- 85 4 7810 29 Jun 04 03:27 LAG1 3 0 2 8 +- 420 -15 +- 698 0 7810 29 Jun 04 04:34 LAG2 3 0 1 7 +- 499 5 +- 379 0 7810 29 Jun 04 08:36 LAG2 9 0 1 4 +- 187 2 +- 125 1 7810 29 Jun 04 11:50 LAG1 12 0 11 -10 +- 59 -1 +- 72 3 7810 29 Jun 04 12:43 LAG2 4 0 17 -34 +- 507 -16 +- 469 4 7810 29 Jun 04 15:21 LAG1 15 0 15 -10 +- 47 -6 +- 31 2 7810 29 Jun 04 18:45 LAG1 17 0 6 -6 +- 44 0 +- 31 1 7810 30 Jun 04 01:42 LAG1 11 0 15 -14 +- 55 0 +- 30 3 7810 30 Jun 04 02:43 LAG2 14 0 8 -7 +- 51 0 +- 48 3 7810 30 Jun 04 06:53 LAG2 9 0 7 -4 +- 62 -7 +- 97 1 7810 30 Jun 04 10:40 LAG2 12 0 13 -13 +- 111 -16 +- 77 2 7810 30 Jun 04 13:49 LAG1 19 0 13 -12 +- 42 -3 +- 24 3 7810 30 Jun 04 17:23 LAG1 16 0 14 -1 +- 51 8 +- 33 2 7810 30 Jun 04 20:50 LAG1 12 0 24 -21 +- 54 5 +- 36 3 7810 1 Jul 04 00:11 LAG1 11 0 7 -4 +- 70 -2 +- 36 6 7810 2 Jul 04 14:39 LAG1 21 0 20 -20 +- 40 -2 +- 20 1 7810 3 Jul 04 13:15 LAG1 18 0 8 -4 +- 44 -3 +- 23 1 7810 3 Jul 04 16:49 LAG1 16 0 8 -7 +- 53 -5 +- 33 1 7810 3 Jul 04 20:15 LAG1 9 0 6 4 +- 61 -2 +- 42 1 Station 7811 (Borowiec) (position fixed, acc. 60 mm) 7811 26 Jun 04 00:10 LAG1 14 0 16 16 +- 50 -4 +- 38 3 7811 28 Jun 04 23:39 LAG1 13 0 8 5 +- 55 0 +- 42 6 Station 7823 (San Fernando) (position solved, acc. 20 mm) 7823 26 Jun 04 00:09 LAG1 7 0 1 0 +- 31 0 +- 32 1 Station 7824 (San Fernando) (position fixed, acc. 40 mm) 7824 28 Jun 04 23:47 LAG1 2 0 27 19 +- 443 43 +-2462 0 7824 1 Jul 04 00:43 LAG2 4 0 37 29 +- 178 -13 +- 286 4 7824 1 Jul 04 23:01 LAG1 4 0 57 82 +- 378 16 +- 247 1 7824 3 Jul 04 00:43 LAG2 5 0 32 43 +- 549 6 +- 320 3 Station 7832 (Riyad) (position solved, acc. 20 mm) 7832 26 Jun 04 00:00 LAG1 1 0 14 0 +- 0 0 +- 0 0 7832 26 Jun 04 02:17 LAG2 8 0 11 1 +- 28 -12 +- 35 2 7832 26 Jun 04 06:45 LAG2 9 0 5 3 +- 29 -2 +- 39 2 7832 26 Jun 04 19:03 LAG1 7 0 9 12 +- 39 9 +- 55 3 7832 26 Jun 04 20:35 LAG2 7 0 16 22 +- 52 -10 +- 78 1 7832 26 Jun 04 22:20 LAG1 10 0 7 -11 +- 40 -7 +- 25 4 7832 27 Jun 04 00:11 LAG2 12 0 13 -9 +- 23 -10 +- 16 3 7832 27 Jun 04 04:39 LAG2 16 0 8 -6 +- 16 6 +- 23 3 7832 27 Jun 04 08:55 LAG2 6 0 3 7 +- 102 4 +- 79 1 7832 27 Jun 04 14:49 LAG1 2 0 7 -77 +- 468 95 +- 569 0 7832 27 Jun 04 21:25 LAG1 5 0 17 -1 +- 178 10 +- 99 1 7832 27 Jun 04 22:29 LAG2 9 0 4 0 +- 22 -4 +- 24 2 7832 28 Jun 04 00:35 LAG1 10 0 1 1 +- 27 0 +- 31 1 7832 28 Jun 04 02:47 LAG2 13 0 6 -2 +- 33 -4 +- 33 2 7832 28 Jun 04 06:52 LAG2 8 0 2 -9 +- 93 -5 +- 67 1 7832 28 Jun 04 19:55 LAG1 6 0 9 -10 +- 30 8 +- 58 1 7832 28 Jun 04 20:43 LAG2 11 0 7 2 +- 27 7 +- 34 1 7832 28 Jun 04 23:07 LAG1 11 0 6 -2 +- 20 -1 +- 9 4 7832 29 Jun 04 00:43 LAG2 11 0 7 -7 +- 25 8 +- 28 2 7832 29 Jun 04 15:27 LAG1 5 0 8 -9 +- 38 9 +- 90 3 7832 29 Jun 04 18:39 LAG1 5 0 2 0 +- 34 -2 +- 100 2 7832 29 Jun 04 21:55 LAG1 10 0 5 -2 +- 21 -2 +- 15 3 7832 29 Jun 04 22:39 LAG2 11 0 12 -3 +- 20 7 +- 14 5 7832 30 Jun 04 02:45 LAG2 8 0 5 7 +- 47 6 +- 53 3 7832 30 Jun 04 07:05 LAG2 9 0 13 -21 +- 91 -20 +- 58 3 7832 30 Jun 04 14:03 LAG1 8 0 38 39 +- 25 9 +- 36 3 7832 2 Jul 04 20:57 LAG2 10 0 12 -14 +- 36 -19 +- 34 1 7832 2 Jul 04 21:19 LAG1 11 0 14 -13 +- 20 -6 +- 18 5 7832 3 Jul 04 00:55 LAG1 7 0 8 5 +- 28 -9 +- 61 1 7832 3 Jul 04 01:09 LAG2 7 0 15 -11 +- 29 13 +- 59 0 7832 3 Jul 04 05:28 LAG2 13 0 10 9 +- 18 0 +- 24 3 7832 3 Jul 04 19:57 LAG1 11 0 6 -4 +- 23 -6 +- 22 3 7832 3 Jul 04 23:01 LAG2 11 0 17 -31 +- 37 -17 +- 27 4 7832 3 Jul 04 23:23 LAG1 11 0 13 -4 +- 28 -11 +- 20 4 Station 7835 (Grasse) (position fixed, acc. 30 mm) 7835 2 Jul 04 21:31 LAG1 11 0 10 -7 +- 68 -9 +- 38 1 Station 7836 (Potsdam) (position fixed, acc. 30 mm) 7836 1 Jul 04 23:07 LAG1 9 0 8 -3 +- 32 3 +- 36 7 Station 7838 (Simosato Observatory) (position fixed, acc. 30 mm) 7838 27 Jun 04 07:02 LAG1 8 0 17 12 +- 48 15 +- 40 11 7838 27 Jun 04 13:49 LAG1 11 0 30 18 +- 29 16 +- 26 14 7838 28 Jun 04 12:25 LAG1 13 0 13 10 +- 28 -3 +- 25 3 7838 30 Jun 04 06:31 LAG1 10 0 23 21 +- 41 0 +- 32 9 7838 1 Jul 04 05:29 LAG1 5 1 35 17 +- 242 11 +- 158 9 7838 2 Jul 04 10:41 LAG1 11 0 18 18 +- 29 3 +- 37 3 7838 2 Jul 04 14:01 LAG1 16 0 36 36 +- 26 -8 +- 17 14 Station 7839 (Graz) (position fixed, acc. 10 mm) 7839 26 Jun 04 00:11 LAG1 10 0 3 2 +- 15 0 +- 7 1 7839 26 Jun 04 02:02 LAG2 10 0 4 -7 +- 30 -2 +- 20 0 7839 26 Jun 04 19:15 LAG1 10 0 9 7 +- 13 4 +- 8 0 7839 26 Jun 04 22:37 LAG1 15 0 5 5 +- 10 0 +- 6 1 7839 27 Jun 04 17:58 LAG1 2 0 24 -1 +- 769 12 +- 394 0 7839 28 Jun 04 13:05 LAG1 6 0 6 -6 +- 62 -7 +- 36 1 7839 28 Jun 04 20:03 LAG1 6 0 8 -2 +- 19 4 +- 11 1 7839 30 Jun 04 06:51 LAG2 7 0 6 0 +- 21 -7 +- 23 0 7839 30 Jun 04 13:55 LAG1 5 0 6 -13 +- 118 -9 +- 60 0 7839 30 Jun 04 17:19 LAG1 4 0 18 -41 +- 339 -9 +- 141 0 7839 1 Jul 04 08:49 LAG2 19 0 15 14 +- 9 0 +- 5 2 7839 1 Jul 04 12:28 LAG1 15 0 5 0 +- 11 -2 +- 6 3 7839 3 Jul 04 23:09 LAG2 9 0 1 -2 +- 27 -1 +- 29 0 7839 3 Jul 04 23:33 LAG1 3 0 10 -149 +-1514 -55 +- 525 0 Station 7840 (Herstmonceux) (position fixed, acc. 20 mm) 7840 26 Jun 04 00:09 LAG1 19 0 5 4 +- 15 0 +- 9 3 7840 26 Jun 04 02:09 LAG2 16 0 11 -4 +- 16 7 +- 13 1 7840 27 Jun 04 08:27 LAG2 7 0 6 9 +- 48 5 +- 56 2 7840 27 Jun 04 18:01 LAG1 5 0 16 -7 +- 195 4 +- 97 1 7840 27 Jun 04 21:27 LAG1 12 0 11 11 +- 19 0 +- 10 2 7840 28 Jun 04 00:51 LAG1 23 0 5 -2 +- 13 0 +- 7 4 7840 28 Jun 04 02:21 LAG2 16 0 3 2 +- 16 0 +- 10 1 7840 28 Jun 04 06:21 LAG2 14 0 4 1 +- 17 1 +- 11 2 7840 28 Jun 04 13:08 LAG1 5 0 10 -1 +- 44 -10 +- 41 1 7840 28 Jun 04 16:41 LAG1 19 0 3 -1 +- 15 1 +- 8 2 7840 28 Jun 04 20:07 LAG1 16 0 4 -2 +- 16 1 +- 11 2 7840 28 Jun 04 23:31 LAG1 5 0 8 0 +- 265 -3 +- 113 2 7840 29 Jun 04 04:27 LAG2 22 0 5 0 +- 14 3 +- 9 3 7840 29 Jun 04 08:31 LAG2 8 0 7 6 +- 25 2 +- 18 4 7840 1 Jul 04 04:39 LAG2 5 0 3 24 +- 316 13 +- 163 1 7840 1 Jul 04 09:13 LAG2 2 0 18 23 +- 512 -6 +- 551 0 7840 1 Jul 04 16:19 LAG1 7 0 20 -11 +- 28 -8 +- 19 1 7840 1 Jul 04 19:35 LAG1 15 0 10 10 +- 17 0 +- 11 1 Station 7841 (Potsdam) (position solved, acc. 10 mm) 7841 26 Jun 04 00:04 LAG1 4 1 54 -407 +- 309 -214 +- 147 5*CHK* 7841 26 Jun 04 19:25 LAG1 12 0 7 5 +- 13 3 +- 11 2 7841 26 Jun 04 22:43 LAG1 18 0 5 5 +- 9 0 +- 6 1 7841 28 Jun 04 16:42 LAG1 13 0 53 24 +- 12 -26 +- 9 39 7841 28 Jun 04 20:21 LAG1 5 0 4 -3 +- 48 2 +- 45 4 7841 28 Jun 04 23:45 LAG1 6 1 21 -22 +- 19 13 +- 40 4 7841 29 Jun 04 04:35 LAG2 12 1 6 5 +- 19 4 +- 17 5 7841 29 Jun 04 18:41 LAG1 15 0 4 -2 +- 12 -2 +- 8 2 7841 2 Jul 04 06:57 LAG2 10 1 16 -27 +- 31 -27 +- 25 4 7841 2 Jul 04 21:35 LAG1 10 0 14 -29 +- 26 -15 +- 16 3 Station 7941 (Matera) (position solved, acc. 10 mm) 7941 26 Jun 04 00:01 LAG1 9 0 8 6 +- 14 -3 +- 7 5 7941 26 Jun 04 02:20 LAG2 10 0 6 -3 +- 21 -1 +- 11 1 7941 26 Jun 04 06:11 LAG2 14 0 4 6 +- 21 3 +- 15 1 7941 26 Jun 04 12:23 LAG1 7 2 12 7 +- 25 2 +- 13 1 7941 26 Jun 04 22:33 LAG1 15 0 6 4 +- 10 1 +- 5 4 7941 27 Jun 04 00:15 LAG2 11 0 3 -1 +- 12 -1 +- 8 2 7941 27 Jun 04 02:15 LAG1 16 0 4 2 +- 10 2 +- 10 1 7941 27 Jun 04 04:19 LAG2 14 0 3 3 +- 12 1 +- 12 1 7941 27 Jun 04 21:15 LAG1 10 0 7 5 +- 14 3 +- 6 1 7941 27 Jun 04 22:41 LAG2 5 0 2 2 +- 20 -1 +- 80 0 7941 28 Jun 04 16:39 LAG1 8 0 18 -3 +- 37 10 +- 24 1 7941 28 Jun 04 23:30 LAG1 14 0 7 -3 +- 12 -2 +- 6 3 7941 29 Jun 04 00:23 LAG2 23 0 8 0 +- 8 4 +- 5 2 7941 29 Jun 04 03:19 LAG1 6 0 14 18 +- 37 -9 +- 63 1 7941 29 Jun 04 04:33 LAG2 14 0 4 -5 +- 12 -3 +- 12 1 7941 29 Jun 04 08:47 LAG2 5 0 17 23 +- 113 3 +- 76 0 7941 29 Jun 04 11:45 LAG1 14 0 5 4 +- 12 1 +- 11 3 7941 29 Jun 04 15:12 LAG1 4 1 4 -59 +- 344 -30 +- 171 0 7941 29 Jun 04 18:53 LAG1 10 0 3 -3 +- 15 1 +- 16 1 7941 30 Jun 04 02:47 LAG2 4 0 3 -4 +- 40 -3 +- 78 1 7941 30 Jun 04 06:55 LAG2 5 1 5 0 +- 40 -12 +- 79 1 7941 30 Jun 04 17:39 LAG1 2 0 5 0 +- 57 57 +- 523 0 7941 1 Jul 04 00:07 LAG1 11 0 10 1 +- 18 -5 +- 11 2 7941 1 Jul 04 00:35 LAG2 23 0 13 -2 +- 8 8 +- 5 1 7941 1 Jul 04 04:45 LAG2 15 0 7 -8 +- 13 -6 +- 12 1 7941 1 Jul 04 16:03 LAG1 5 0 7 -16 +- 151 -3 +- 70 0 7941 1 Jul 04 22:55 LAG2 17 0 4 4 +- 10 0 +- 10 1 7941 2 Jul 04 11:16 LAG1 14 1 7 -2 +- 14 8 +- 14 2 7941 2 Jul 04 14:41 LAG1 9 0 4 -8 +- 48 -5 +- 23 0 7941 2 Jul 04 18:11 LAG1 10 0 6 -5 +- 19 0 +- 17 3 7941 2 Jul 04 21:45 LAG1 3 0 12 -12 +- 25 -15 +- 89 2 7941 3 Jul 04 00:59 LAG2 9 0 11 -6 +- 21 3 +- 22 5 7941 3 Jul 04 04:53 LAG2 18 0 2 -1 +- 14 0 +- 10 1 7941 3 Jul 04 13:27 LAG1 5 0 5 -11 +- 84 -9 +- 53 2 7941 3 Jul 04 16:51 LAG1 9 0 8 6 +- 30 0 +- 21 2 7941 3 Jul 04 20:41 LAG1 4 4 0 0 +- 0 0 +- 0 0 7941 3 Jul 04 23:31 LAG2 7 0 7 -12 +- 85 2 +- 54 1 Station 8834 (Wettzell) (position fixed, acc. 10 mm) 8834 26 Jun 04 06:11 LAG2 13 0 12 -1 +- 12 8 +- 9 3 8834 26 Jun 04 10:13 LAG2 3 0 3 130 +- 969 57 +- 421 0 8834 26 Jun 04 12:19 LAG1 16 0 3 -1 +- 11 0 +- 8 2 8834 26 Jun 04 15:55 LAG1 11 0 19 -19 +- 12 4 +- 8 3 8834 26 Jun 04 19:31 LAG1 7 0 7 -6 +- 22 2 +- 25 4 8834 27 Jun 04 10:55 LAG1 1 0 6 0 +- 0 0 +- 0 0 8834 28 Jun 04 10:25 LAG2 6 0 19 -24 +- 24 -6 +- 17 3 8834 28 Jun 04 13:05 LAG1 17 0 17 -14 +- 10 -6 +- 6 3 8834 28 Jun 04 16:39 LAG1 8 0 25 -18 +- 19 6 +- 15 4 8834 28 Jun 04 23:47 LAG1 6 0 13 -14 +- 34 1 +- 32 1 8834 29 Jun 04 04:30 LAG2 6 0 9 -17 +- 83 -5 +- 52 2 8834 29 Jun 04 08:47 LAG2 7 0 14 1 +- 22 17 +- 25 4 8834 29 Jun 04 12:49 LAG2 2 0 36 -83 +- 257 -89 +- 480 0 8834 29 Jun 04 15:27 LAG1 5 0 32 -29 +- 19 -3 +- 17 9 8834 29 Jun 04 18:57 LAG1 2 0 8 -9 +- 83 -3 +- 277 0 8834 29 Jun 04 22:21 LAG1 4 0 17 15 +- 21 8 +- 37 7 8834 30 Jun 04 03:03 LAG2 7 0 4 -14 +- 64 7 +- 39 3 8834 30 Jun 04 07:08 LAG2 1 0 20 0 +- 0 0 +- 0 0 8834 30 Jun 04 10:29 LAG1 3 0 15 -24 +- 60 49 +- 293 0 8834 30 Jun 04 10:57 LAG2 3 0 16 -3 +- 164 15 +- 198 1 8834 30 Jun 04 21:06 LAG1 3 0 7 -15 +- 65 22 +- 89 3 8834 1 Jul 04 04:39 LAG2 8 0 9 -13 +- 100 -2 +- 49 3 8834 1 Jul 04 19:43 LAG1 4 0 12 -12 +- 22 7 +- 41 1 8834 2 Jul 04 06:44 LAG2 7 0 13 3 +- 50 -4 +- 23 3 8834 3 Jul 04 04:55 LAG2 10 0 17 -2 +- 50 8 +- 29 3 8834 3 Jul 04 08:57 LAG2 12 0 12 31 +- 49 11 +- 25 4 8834 3 Jul 04 23:47 LAG1 3 0 28 -47 +- 286 -9 +- 149 1 -------------------------------------------------------------------------------- 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 - 040704 0/ 11/ 0 0/ 1/ 0 12 1863 MDNLAS 040103 - 040117 0/ 2/ 0 0/ 4/ 0 6 1864 MD2LAS 040102 - 040702 0/ 81/ 0 0/ 21/ 0 102 1868 KOMLAS 040315 - 040614 0/ 15/ 0 0/ 3/ 0 18 1873 SIMLAS 040118 - 040703 0/ 25/ 0 0/ 8/ 0 33 1884 RIGLAS 040310 - 040603 0/ 40/ 0 0/ 3/ 0 43 1893 CRMLAS 040331 - 040630 0/ 18/ 0 0/ 6/ 0 24 6405 TIGO 040103 - 040226 1/ 10/ 2 1/ 0/ 0 14 6810 ZIMLAT 040107 - 040621 93/161/ 22 116/ 79/ 8 479 7080 MLRS25 040104 - 040701 36/ 61/ 12 49/ 51/ 5 214 7090 ML0514 040101 - 040629 162/157/ 40 115/236/ 24 734 7105 ML0725 040104 - 040701 20/ 46/ 7 4/ 35/ 4 116 7110 ML0414 040102 - 040703 68/141/ 13 81/ 75/ 11 389 7124 ML0819 040315 - 040705 0/ 4/ 0 0/ 10/ 0 14 7210 HOLLAS 040105 - 040607 33/ 49/ 3 50/ 52/ 6 193 7231 WUHA01 040408 - 040701 0/ 0/ 0 0/ 2/ 0 2 7237 CHALAS 040101 - 040703 0/239/ 6 0/116/ 2 363 7249 BEJLAS 040101 - 040701 0/171/ 1 0/119/ 0 291 7308 CRLLAS 040106 - 040311 5/ 47/ 0 0/ 38/ 2 92 7355 TROS02 040509 - 040704 0/ 50/ 0 0/ 6/ 0 56 7405 TIGO 040103 - 040215 0/ 9/ 2 0/ 0/ 0 11 7501 ML0616 040106 - 040703 53/ 50/ 18 41/103/ 10 275 7810 ZIMLAT 040507 - 040705 60/ 55/ 14 77/ 6/ 7 219 7811 POLLAS 040105 - 040629 0/ 78/ 0 0/ 21/ 0 99 7823 FTLR** 040612 - 040626 0/ 9/ 0 1/ 1/ 1 12 7824 SPNLAS 040109 - 040705 0/ 82/ 0 0/ 47/ 1 130 7832 SALRO 040102 - 040705 79/186/ 23 129/147/ 21 585 7835 GRASSE 040301 - 040702 1/ 50/ 3 0/ 22/ 1 77 7836 GFZLAS 040105 - 040701 0/ 38/ 0 0/ 21/ 1 60 7837 CHILAS 040102 - 040704 0/ 30/ 0 0/ 28/ 0 58 7838 SHOLAS 040105 - 040702 18/153/ 2 40/105/ 7 325 7839 AUSLAS 040107 - 040705 38/114/ 15 46/ 60/ 4 277 7840 RGOLAS 040102 - 040705 78/166/ 28 88/ 73/ 13 446 7841 GFZLA3 040112 - 040705 11/ 53/ 8 10/ 21/ 5 108 7845 GRASLL 040318 - 040705 2/ 13/ 0 9/ 2/ 0 26 7941 MLROnn 040111 - 040705 70/112/ 18 75/ 76/ 7 358 8834 WLRS01 040108 - 040705 98/125/ 31 116/ 64/ 11 445 -------------------------------------------------------------------------- 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) -------------------------------------------------------------- 040627.0 -19.3 +/- 0.1 506.9 +/- 0.1 -32520.98 +/- 0.02 040628.0 -16.6 +/- 0.1 507.7 +/- 0.1 -32521.16 +/- 0.03 040629.0 -13.6 +/- 0.1 508.2 +/- 0.1 -32521.24 +/- 0.04 040630.0 -10.0 +/- 0.1 509.4 +/- 0.1 -32521.05 +/- 0.05 040701.0 -8.1 +/- 0.1 510.3 +/- 0.1 -32520.81 +/- 0.05 040702.0 -3.7 +/- 0.1 512.1 +/- 0.1 -32520.23 +/- 0.06 040703.0 -2.1 +/- 0.1 511.7 +/- 0.1 -32519.62 +/- 0.07 -------------------------------------------------------------- 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. From: Ron Noomen ******************************************************************************** |