****************************************************************************** dorisreport 28-Mar-2011 06:10:26 Message No 2433 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1624 = 11051 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1624 from 20-02-2011 to 26-02-2011 DORIS name (using day of start): 11051 Days of year: from 2011/51 to 2011/57 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-4427-2484 FAX +33-1-4427-7340 2) Products =========== All the following products are available at the CDDIS data center ftp cddis.gsfc.nasa.gov weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ign11051wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11051wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.eop.Z 3) Analysis Strategy ==================== The DORIS data have been processed using the Gipsy/Oasis software from the Jet Propulsion Laboratory Suggestions on which solutions should be used or not can be found in pub/doris/products/sinex_series/ign.snx.readme Complete description files can be found at CDDIS at weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ignwd08.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd09.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.eop.dsc For references, the following papers are recommended : Willis, P., Y.E. Bar-Sever, G. Tavernier (2005), DORIS as a potential part of a Global Geodetic Observing System, J. Geodyn., 40(4-5), 494-501, DOI: 10.1016/j.jog.2005.06.011 Willis, P., Boucher, C., Fagard, H., Goginddass, M.L. (2010), Contributions of the French Institut Geographique National (IGN) to the International DORIS Service, Adv. Space Res., 45(12), 1470-1480 DOI: 10.1016/j.asr.2009.09.019 Changes in data processing: #week 1568: goa-test.2010.03.25b Use Bulletin-A as a priori instead of Bulletin-B #week 1574: goa-test.2010.03.31e Same executable but with /DEV scripts (all official version) #week 1579: goa-test.2010.04.28a Same executable without any DEV scripts #week 1580: goa-test.2010.05.25h Major change affecting solar array orientation for SPOT5 after Jan 2008 see details in Gobinddass et al., Adv. Space Res., 2009 #week 1597: goa-test.2010.09.20c More recent version, close to future 6.0 official version for tests #week 1599: goa-test.2010.05.25h Back to previous test version #week 1606: goa-6.0 Latest JPL official version #week 1487: goa-test-2011.03.17b Including Jason-2 and Cryosat-2 data deleting stations in the South Atlantic Anomaly (SAA) for SPOT-5 reprocessing done for weeks: 736-738 + 955-995 + 1124-1131 + 1487-1619 4) Global Statistics ==================== GPS week number 1624 from 20-02-2011 to 26-02-2011 Total number of stations = 45 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 7.20 the following satellites were used in the combination 2011 51 cryosat2 envisat jason2 spot4 spot5 2011 52 cryosat2 envisat jason2 spot5 2011 53 cryosat2 envisat jason2 spot5 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 20-02-2011 45085 814 44271 1.8 21-02-2011 37397 934 36463 2.5 22-02-2011 38580 850 37730 2.2 23-02-2011 0 0 0 0.0 24-02-2011 0 0 0 0.0 25-02-2011 0 0 0 0.0 26-02-2011 0 0 0 0.0 5) Individual Statistics per satellite ====================================== The following table includes all data that have been kept in the solution (after pre and post-processing) 5.1) Number of observations per satellite ----------------------------------------- day1 day2 day3 day4 day5 day6 day7 ----------------------------------------------------------------- CRYOSAT2 7991 7776 7665 0 0 0 0 ENVISAT 7543 5637 7414 0 0 0 0 JASON2 16037 15380 15046 0 0 0 0 SPOT4 4860 0 0 0 0 0 0 SPOT5 7840 7670 7605 0 0 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.468 0.623 0.503 0.000 0.000 0.000 0.000 ENVISAT 0.465 0.494 0.442 0.000 0.000 0.000 0.000 JASON2 0.390 0.422 0.392 0.000 0.000 0.000 0.000 SPOT4 0.445 0.000 0.000 0.000 0.000 0.000 0.000 SPOT5 0.408 0.478 0.427 0.000 0.000 0.000 0.000 6) Individual Statistics per station ====================================== 6.1) Stations given in sinex solutions -------------------------------------- The following table includes all DORIS data that were used to generate the weekly DORIS sinex solutions o = station after a break in the DORIS time series day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- AMVB 418 208 319 176 153 0 0 ARFB 343 178 233 144 108 0 0 ASEB 183 231 171 108 118 0 0 BADB 540 321 404 175 88 0 0 BEMB 1409 1019 1058 542 507 0 0 BETB 387 260 276 138 115 16 0 CADB 411 192 245 126 139 0 0 CHAB 580 419 411 202 200 0 0 CIDB 343 180 275 140 135 0 0 COBB 701 468 538 215 301 0 0 CRQB 285 179 228 108 108 0 0 DIOB 226 225 201 88 120 0 0 DJIB 363 208 59 0 0 0 0 EVEB o 212 122 139 73 94 0 0 GAVB 257 269 172 106 131 0 0 GREB 441 275 312 170 152 0 0 HBMB 470 169 354 168 150 0 0 HEMB 242 244 352 107 106 0 0 JIUB 314 179 333 160 148 0 0 KETB 435 269 364 144 154 0 0 KIUB 392 230 304 175 99 0 0 KOLB 482 154 257 155 178 0 0 KRBB 631 310 518 250 208 0 0 KRUB 367 225 0 0 0 0 0 LICB 317 275 222 131 121 0 0 MAHB 253 148 164 132 133 0 0 MALB 348 204 244 123 123 0 0 METB 580 477 514 244 261 0 0 MIAB 441 228 228 111 164 0 0 MSPB 480 335 349 146 117 0 0 PAUB 410 221 157 0 0 0 0 PDMB o 362 288 325 153 139 0 0 REUB o 335 150 218 141 149 0 0 REZB 513 489 500 265 203 0 0 RILB 343 289 269 122 115 0 0 RIQB 561 365 450 219 246 0 0 SALB 241 239 323 104 95 0 0 SANB o 410 230 268 166 181 0 0 SPJB 1290 933 1034 472 459 0 0 STJB o 454 317 438 233 169 0 0 SYPB 1100 780 911 410 395 0 0 THUB 1140 809 1073 554 495 0 0 TLSB 570 405 405 187 176 0 0 YASB 465 280 275 119 142 0 0 YEMB 480 319 337 341 341 0 0 6.2) stations rejected from solution ------------------------------------ all available stations were processed and given in the output sinex solutions 6.3) statistics per station and per satellite (stations in sinex) ----------------------------------------------------------------- CRYOSAT2 ENVISAT JASON2 SPOT4 SPOT5 --------------------------------------------- AMVB 1682 455 3744 93 802 ARFB 1424 369 3058 57 667 ASEB 1178 263 2271 30 593 BADB 1991 615 4467 107 885 BEMB 6385 1652 4283 278 2846 BETB 1326 483 2752 104 687 CADB 1501 394 3070 108 680 CHAB 2125 721 5096 162 998 CIDB 1304 447 2627 38 701 COBB 2821 873 5678 207 1243 CRQB 1958 356 4266 28 607 DIOB 1385 327 3305 24 568 DJIB 644 324 1336 141 232 EVEB 624 165 1548 69 498 GAVB 913 397 3642 0 612 GREB 1779 530 4229 53 822 HBMB 1522 552 3110 164 670 HEMB 1526 397 2838 84 669 JIUB 1454 464 2982 38 775 KETB 2176 496 4841 121 831 KIUB 1319 478 3118 78 750 KOLB 1732 549 3506 119 746 KRBB 2044 667 3831 183 1173 KRUB 427 255 608 101 292 LICB 1224 444 2528 108 657 MAHB 1101 352 2284 21 648 MALB 1386 367 2423 115 649 METB 2678 823 4334 79 1293 MIAB 1768 405 3531 99 744 MSPB 1910 517 4283 142 844 PAUB 1259 472 2444 135 543 PDMB 1584 428 3870 121 786 REUB 1427 345 2842 89 619 REZB 3426 793 3889 120 1243 RILB 944 449 2580 83 724 RIQB 2835 700 5217 47 1183 SALB 1469 393 2898 121 657 SANB 1632 456 3893 60 813 SPJB 6489 1631 3781 310 2380 STJB 1994 542 4428 128 1018 SYPB 4042 1340 3926 180 2238 THUB 6271 1453 4580 179 2611 TLSB 1698 680 3770 182 964 YASB 1578 433 3382 122 783 YEMB 3608 0 5339 174 1719 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 SPOT4 SPOT5 --------------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign09d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 23.1 20.6 15.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -1.0 +- 2.7 mm TY = 5.9 +- 2.4 mm TZ = -33.7 +- 2.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.8 +- 0.3 ppb 7.4) Earth Orientation Parameters --------------------------------- External comparison with JPL/GPS EOP values number of days compared X_POLE_RMS (mas) Y_POLE_RMS (mas) ------------------------------------------------------------------ 3 0.05 0.97 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr