****************************************************************************** dorisreport 05-Jul-2011 08:46:31 Message No 2569 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1638 = 11149 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1638 from 29-05-2011 to 04-06-2011 DORIS name (using day of start): 11149 Days of year: from 2011/149 to 2011/155 ============================================================== 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/ign11149wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11149wd09.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 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) 4) Global Statistics ==================== GPS week number 1638 from 29-05-2011 to 04-06-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 3.18 the following satellites were used in the combination 2011 149 cryosat2 envisat jason2 spot4 spot5 2011 150 cryosat2 envisat jason2 spot4 spot5 2011 151 cryosat2 envisat jason2 spot4 spot5 2011 152 cryosat2 envisat jason2 spot4 spot5 2011 153 cryosat2 envisat jason2 spot4 spot5 2011 154 cryosat2 envisat jason2 spot4 spot5 2011 155 cryosat2 envisat jason2 spot4 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 -------------------------------------------------------- 29-05-2011 45060 109 44951 0.2 30-05-2011 45186 76 45110 0.2 31-05-2011 45016 51 44965 0.1 01-06-2011 42603 55 42548 0.1 02-06-2011 44245 86 44159 0.2 03-06-2011 44357 81 44276 0.2 04-06-2011 46619 66 46553 0.1 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 8439 8383 8663 5981 8684 8447 8773 ENVISAT 7923 7821 7599 6898 6239 6834 8072 JASON2 15933 16488 16165 16617 16216 16126 16837 SPOT4 4616 4557 4797 5056 4945 4721 4798 SPOT5 8040 7861 7741 7996 8075 8148 8073 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.462 0.451 0.456 0.468 0.458 0.452 0.458 ENVISAT 0.457 0.463 0.445 0.463 0.444 0.456 0.463 JASON2 0.422 0.407 0.398 0.407 0.397 0.395 0.402 SPOT4 0.450 0.438 0.454 0.466 0.446 0.430 0.461 SPOT5 0.408 0.423 0.392 0.411 0.415 0.416 0.421 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 --------------------------------------------------------------- ADGB 0 0 0 0 0 0 0 AMVB 428 436 419 411 376 354 413 ARFB 318 294 393 421 324 349 358 ASEB 357 289 241 301 238 328 253 BADB 512 493 462 398 263 489 517 BEMB 1389 1458 1477 1424 1350 1249 1468 BETB 383 323 359 361 280 377 413 CHAB 580 576 599 588 523 587 525 CIDB 420 314 329 412 419 385 304 COBB 813 706 753 786 623 783 755 CRQB 320 309 337 284 208 208 280 DIOB 269 332 291 300 275 236 243 DJIB 392 379 331 350 340 381 394 EVEB 218 197 192 224 235 204 224 GAVB 262 205 225 222 245 216 267 GR3B 0 0 0 0 0 0 0 GREB 438 435 459 445 457 423 424 HBMB 433 432 480 525 404 407 456 HEMB 10 0 0 0 0 0 0 JIUB 263 287 446 447 359 269 283 KETB 403 413 427 338 403 422 437 KIUB 465 381 395 448 386 414 338 KOLB 462 442 396 487 435 429 467 KRBB 551 588 587 626 548 517 629 KRWB 122 188 110 294 340 256 223 LICB 346 323 295 260 318 303 381 MAHB 323 246 242 323 241 244 284 MALB 350 337 392 339 330 292 347 METB 552 506 461 546 485 596 574 MIAB 420 468 319 345 369 375 454 MSPB 488 524 420 557 347 377 566 PAUB 373 425 424 486 455 425 407 PDMB 361 366 400 337 302 374 376 REUB 362 241 246 276 257 330 314 REZB 511 521 553 546 534 514 555 RIQB 636 507 613 580 562 598 568 ROVB 969 1048 918 1043 987 871 1071 SALB 339 280 142 395 315 359 345 SANB o 404 495 249 367 409 363 431 SPJB 1235 1315 1299 1246 1153 1162 1302 STJB 491 452 580 516 539 472 511 SYPB 1104 1039 1107 1065 921 1004 1164 THUB 1274 1217 1330 1283 1190 1213 1205 TLSB 591 580 600 585 523 594 591 YASB 199 495 440 443 464 394 490 YEMB 491 430 461 486 492 492 479 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 --------------------------------------------- ADGB 3912 0 4649 0 0 AMVB 1732 1183 3804 672 1102 ARFB 1508 1118 2980 489 991 ASEB 1214 911 2400 383 903 BADB 1960 1460 4111 673 1308 BEMB 6511 4268 4434 2004 4002 BETB 1338 1115 2654 797 969 CHAB 2219 1617 5085 1195 1384 CIDB 1337 1219 2705 596 978 COBB 2862 2085 5591 1613 1817 CRQB 2074 735 4263 455 917 DIOB 1286 894 2963 365 817 DJIB 1535 1012 2775 813 915 EVEB 643 473 1508 421 705 GAVB 939 905 3806 0 861 GR3B 1632 4 3649 0 6 GREB 1810 1463 4254 628 1212 HBMB 1581 1241 3213 1053 987 HEMB 168 111 423 48 114 JIUB 1408 1222 2909 534 1015 KETB 2280 1218 4706 595 1176 KIUB 1397 1159 3187 892 1117 KOLB 1708 1251 3473 970 1096 KRBB 2116 1795 3985 831 1669 KRWB 1551 1166 2716 584 0 LICB 1232 935 2326 623 861 MAHB 1196 929 2355 393 934 MALB 1381 959 2480 738 908 METB 2613 1847 4490 369 1796 MIAB 1744 1258 3547 673 1120 MSPB 1813 1293 4346 946 1206 PAUB 1342 1236 2822 987 1002 PDMB 1728 1087 3859 499 1101 REUB 1383 852 2926 421 915 REZB 3501 1873 3866 600 1652 RIQB 2814 1812 4941 711 1701 ROVB 4558 3150 5090 1014 2992 SALB 1314 831 2567 617 840 SANB 1722 1285 3872 424 1167 SPJB 6569 3834 3788 1825 3344 STJB 2074 1461 4112 961 1389 SYPB 4652 3456 4585 1073 3169 THUB 6575 3747 4463 1646 3650 TLSB 1727 1583 3682 1303 1334 YASB 1571 1183 3203 798 1079 YEMB 3640 8 5298 1132 2342 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 12.1 14.5 11.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -5.6 +- 2.1 mm TY = 4.8 +- 2.6 mm TZ = 23.5 +- 2.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.1 +- 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) ------------------------------------------------------------------ 7 0.75 0.89 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr