****************************************************************************** dorisreport 12-May-2011 00:30:19 Message No 2505 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1631 = 11100 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1631 from 10-04-2011 to 16-04-2011 DORIS name (using day of start): 11100 Days of year: from 2011/100 to 2011/106 ============================================================== 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/ign11100wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11100wd09.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 1631 from 10-04-2011 to 16-04-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.96 the following satellites were used in the combination 2011 100 cryosat2 envisat jason2 spot4 spot5 2011 101 cryosat2 envisat jason2 spot4 spot5 2011 102 cryosat2 envisat jason2 spot4 spot5 2011 103 cryosat2 envisat jason2 spot4 spot5 2011 104 cryosat2 envisat jason2 spot4 spot5 2011 105 cryosat2 envisat jason2 spot4 spot5 2011 106 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 -------------------------------------------------------- 10-04-2011 44312 853 43459 1.9 11-04-2011 44718 839 43879 1.9 12-04-2011 44801 887 43914 2.0 13-04-2011 44165 828 43337 1.9 14-04-2011 41778 816 40962 2.0 15-04-2011 44322 815 43507 1.8 16-04-2011 41405 923 40482 2.2 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 7716 7842 7710 7729 4677 7633 7499 ENVISAT 7537 7681 7640 7767 7537 7481 4524 JASON2 15423 15466 15827 15310 16052 15628 15135 SPOT4 4988 4825 4774 4709 4930 5072 5033 SPOT5 7795 8065 7963 7822 7766 7693 8291 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.467 0.475 0.449 0.457 0.444 0.464 0.447 ENVISAT 0.449 0.453 0.451 0.458 0.453 0.451 0.444 JASON2 0.393 0.385 0.403 0.392 0.384 0.409 0.401 SPOT4 0.442 0.434 0.413 0.435 0.441 0.439 0.436 SPOT5 0.413 0.423 0.413 0.422 0.404 0.414 0.408 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 --------------------------------------------------------------- ADFB 40 41 61 110 80 80 51 AMVB 396 394 441 428 392 443 395 ARFB 369 324 282 385 395 365 405 ASEB 257 311 342 261 198 185 242 BADB 413 412 479 504 508 478 477 BEMB 1423 1473 1370 1421 1519 1439 1490 BETB 353 356 377 418 303 264 317 CADB 361 383 390 426 320 355 475 CHAB 587 593 601 589 589 588 615 CIDB 383 410 377 389 251 365 385 COBB 799 795 811 748 768 807 745 CRQB 264 258 240 284 297 277 254 DIOB 296 252 254 298 313 283 259 DJIB 322 302 366 405 305 308 249 EVEB 201 232 236 199 202 99 222 GAVB 214 237 229 258 258 184 236 GREB 470 471 429 400 483 373 475 HBMB 502 422 459 469 430 538 464 HEMB 385 275 322 231 339 459 316 JIUB 455 371 394 329 373 389 413 KETB 381 427 428 424 406 365 408 KIUB 462 410 420 410 383 455 204 KOLB 490 517 365 477 414 458 529 KRBB 631 636 566 642 566 627 593 LICB 290 270 301 306 290 219 217 MAHB 168 293 282 306 264 277 261 MALB 284 335 410 340 337 284 294 MATB o 344 363 331 341 383 361 389 METB 541 488 605 584 452 551 551 MIAB 385 419 386 395 385 343 400 MSPB 558 405 387 528 443 500 470 PAUB 432 444 158 0 207 467 462 PDMB 336 340 437 343 414 308 340 REUB 251 305 310 312 246 232 310 REZB 473 594 568 537 571 552 631 RIQB 580 629 565 599 656 553 660 ROVB 0 0 169 150 96 161 516 SALB 373 326 389 243 404 418 260 SANB o 356 404 442 395 301 322 368 SPJB 1241 1260 1212 1215 1290 1260 1289 STJB 513 543 539 570 572 528 532 SYPB 1107 1087 1158 1064 1104 1057 1092 THUB 1271 1354 1312 1311 1246 1339 1339 TLSB 564 572 596 594 591 581 576 YASB 381 462 356 451 503 421 453 YEMB 487 499 488 423 469 484 489 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 --------------------------------------------- ADFB 410 0 184 0 520 AMVB 1772 1291 3760 609 1128 ARFB 1299 1079 3020 611 958 ASEB 1061 865 2189 382 806 BADB 2061 1657 4487 495 1372 BEMB 6459 4485 4210 2101 4006 BETB 1291 1057 2592 806 904 CADB 1483 1121 3076 779 987 CHAB 2201 1696 5167 1238 1391 CIDB 1193 1143 2609 688 951 COBB 2751 2234 5558 1684 1763 CRQB 1925 782 4020 408 866 DIOB 1306 800 3325 455 844 DJIB 1310 998 2680 708 868 EVEB 528 453 1460 424 636 GAVB 872 929 3660 3 822 GREB 1761 1403 4328 715 1166 HBMB 1525 1327 3172 1065 1029 HEMB 1451 1001 2686 560 952 JIUB 1393 1207 3051 814 1112 KETB 2211 1305 4783 579 1136 KIUB 1299 1191 3131 846 1090 KOLB 1599 1307 3450 1071 1007 KRBB 1990 1950 3752 856 1712 LICB 1127 873 2445 533 803 MAHB 1092 975 2340 456 923 MALB 1243 999 2432 732 894 MATB 2104 1215 4564 365 1108 METB 2538 1857 4479 355 1777 MIAB 1686 1268 3499 723 1004 MSPB 1857 1364 4194 904 1168 PAUB 1163 916 2406 861 818 PDMB 1611 1201 3718 398 1095 REUB 1329 916 2800 315 906 REZB 3333 1975 3872 552 1812 RIQB 2882 1917 5301 863 1620 ROVB 0 0 0 684 433 SALB 1429 1052 2729 613 997 SANB 1598 1340 3781 314 1116 SPJB 6359 4026 3872 1690 3334 STJB 1935 1504 4213 995 1455 SYPB 4526 3754 4539 1010 3170 THUB 6245 4031 4489 1879 3715 TLSB 1544 1601 3708 1310 1328 YASB 1570 1260 3128 884 1054 YEMB 3413 10 5223 1030 2426 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 11.1 12.2 11.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -2.3 +- 1.7 mm TY = 3.6 +- 1.7 mm TZ = 59.2 +- 1.6 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.8 +- 0.2 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 1.09 0.89 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr