****************************************************************************** dorisreport 07-Apr-2011 14:59:31 Message No 2456 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1625 = 11058 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1625 from 27-02-2011 to 05-03-2011 DORIS name (using day of start): 11058 Days of year: from 2011/58 to 2011/64 ============================================================== 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/ign11058wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11058wd09.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 1625 from 27-02-2011 to 05-03-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.73 the following satellites were used in the combination 2011 58 cryosat2 envisat jason2 spot4 spot5 2011 59 cryosat2 envisat jason2 spot4 spot5 2011 60 cryosat2 envisat jason2 spot4 spot5 2011 61 cryosat2 envisat jason2 spot4 spot5 2011 62 cryosat2 envisat jason2 spot4 spot5 2011 63 cryosat2 envisat jason2 spot4 spot5 2011 64 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 -------------------------------------------------------- 27-02-2011 44447 748 43699 1.7 28-02-2011 44169 825 43344 1.9 01-03-2011 45263 837 44426 1.8 02-03-2011 46152 823 45329 1.8 03-03-2011 46623 812 45811 1.7 04-03-2011 46183 854 45329 1.8 05-03-2011 47076 850 46226 1.8 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 7749 7912 7865 8179 8343 8298 8220 ENVISAT 7695 7910 7780 7875 7912 7737 7697 JASON2 15677 14462 15766 16100 16357 16074 16845 SPOT4 4876 5033 4940 4735 4882 4977 4964 SPOT5 7702 8027 8075 8440 8317 8243 8500 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.465 0.452 0.455 0.458 0.459 0.464 0.459 ENVISAT 0.436 0.448 0.429 0.445 0.455 0.455 0.452 JASON2 0.404 0.396 0.400 0.396 0.402 0.413 0.390 SPOT4 0.432 0.433 0.425 0.451 0.433 0.440 0.427 SPOT5 0.408 0.405 0.396 0.403 0.399 0.408 0.415 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 0 0 0 329 496 415 424 AMVB 387 390 443 343 409 387 418 ARFB 357 389 339 372 263 342 392 ASEB 193 228 336 227 263 300 199 BADB 505 472 500 556 515 550 502 BEMB 1415 1407 1405 1357 1399 1453 1385 BETB 351 440 380 407 373 371 407 CADB 367 405 434 416 378 355 379 CHAB 597 569 606 596 549 600 562 CIDB 346 459 272 316 366 340 366 COBB 736 847 809 775 795 760 815 CRQB 294 274 267 282 243 251 270 DIOB 253 294 295 312 288 276 263 DJIB 346 365 305 344 375 350 303 EVEB o 215 222 232 214 216 235 219 GAVB 233 218 217 238 270 244 187 GREB 463 477 491 439 530 476 455 HBMB 481 506 430 450 494 438 450 HEMB 492 351 277 365 302 363 405 JIUB 418 454 366 301 346 394 385 KETB 411 404 390 522 354 444 454 KIUB 450 469 404 475 430 432 450 KOLB 419 512 472 411 371 433 442 KRBB 606 594 511 501 579 519 637 LICB 311 323 305 284 366 228 239 MAHB 262 357 286 258 305 256 326 MALB 342 322 376 334 370 351 342 METB 508 541 531 505 535 502 555 MIAB 371 378 393 406 374 374 335 MSPB 519 506 429 494 517 479 486 NOWB 337 270 357 446 421 351 315 PAUB 0 235 422 367 339 412 433 PDMB o 380 345 354 438 357 357 355 REUB o 216 319 342 307 280 249 277 REZB 543 580 542 629 547 562 607 RILB 338 326 353 381 342 304 297 RIQB 543 544 641 544 558 606 528 SALB 387 233 336 408 278 397 314 SANB o 324 376 434 340 445 307 393 SPJB 1277 1277 1239 1287 1282 1250 1337 STJB o 602 540 517 593 468 570 586 SYPB 1077 1068 1173 1107 1121 1079 1108 THUB 1347 1327 1294 1244 1252 1264 1251 TLSB 552 603 558 594 597 577 587 YASB 407 395 438 346 441 437 416 YEMB 480 495 509 494 458 469 494 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 4095 0 4633 0 2716 AMVB 1691 1185 3823 636 1085 ARFB 1382 1016 2943 673 923 ASEB 1165 828 2363 310 811 BADB 2059 1693 4643 738 1399 BEMB 6460 4344 4304 1910 3990 BETB 1317 1184 2702 833 978 CADB 1532 1069 3095 806 957 CHAB 2144 1667 5114 1197 1401 CIDB 1330 1054 2695 704 943 COBB 2726 2234 5710 1710 1783 CRQB 2018 840 4445 405 779 DIOB 1396 866 3332 454 741 DJIB 1443 1020 2926 715 922 EVEB 623 453 1582 477 755 GAVB 1027 889 3597 0 825 GREB 1753 1506 4272 765 1208 HBMB 1597 1253 3247 1086 1055 HEMB 1387 1084 2828 662 991 JIUB 1377 1227 3131 679 1079 KETB 2121 1414 4866 613 1170 KIUB 1503 1291 3684 916 1185 KOLB 1605 1218 3498 1054 995 KRBB 1971 1870 3954 747 1587 LICB 1337 983 2534 450 870 MAHB 1187 920 2368 469 888 MALB 1351 996 2452 729 936 METB 2553 1875 4360 250 1788 MIAB 1691 1193 3479 633 988 MSPB 1864 1364 4206 1013 1211 NOWB 1593 1198 3225 522 896 PAUB 1344 1151 2912 939 946 PDMB 1525 1267 3830 368 1124 REUB 1416 916 2907 352 900 REZB 3301 2079 3968 553 1773 RILB 1068 1100 2229 414 1008 RIQB 2815 1882 5314 631 1630 SALB 1365 1135 2944 706 943 SANB 1652 1279 3681 400 1101 SPJB 6390 4071 4009 1863 3318 STJB 1924 1564 4424 999 1453 SYPB 4409 3647 4719 1184 3171 THUB 6347 4042 4524 1659 3673 TLSB 1560 1617 3817 1298 1320 YASB 1687 1308 3418 726 1020 YEMB 3538 3 5212 1089 2430 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 12.6 13.4 12.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -3.1 +- 1.6 mm TY = 3.6 +- 1.4 mm TZ = 18.4 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.7 +- 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 0.66 0.55 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr