****************************************************************************** dorisreport 06-Sep-2011 21:10:21 Message No 2636 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1644 = 11191 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1644 from 10-07-2011 to 16-07-2011 DORIS name (using day of start): 11191 Days of year: from 2011/191 to 2011/197 ============================================================== 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/ign11191wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11191wd10.snx.Z geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.Z Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 ITRF2008 pub/doris/products/sinex_series/ignwd/ignwd10.snx.dsc geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 1644 from 10-07-2011 to 16-07-2011 Total number of stations = 48 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.52 the following satellites were used in the combination 2011 191 cryosat2 envisat jason2 spot4 spot5 2011 192 cryosat2 envisat jason2 spot4 spot5 2011 193 cryosat2 envisat jason2 spot4 spot5 2011 194 cryosat2 envisat jason2 spot4 spot5 2011 195 cryosat2 envisat jason2 spot4 spot5 2011 196 cryosat2 envisat jason2 spot4 spot5 2011 197 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 -------------------------------------------------------- 10-07-2011 46669 364 46305 0.8 11-07-2011 46769 56 46713 0.1 12-07-2011 47747 146 47601 0.3 13-07-2011 46247 88 46159 0.2 14-07-2011 44976 91 44885 0.2 15-07-2011 48076 68 48008 0.1 16-07-2011 47889 67 47822 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 8338 8765 8635 8840 8620 8870 8874 ENVISAT 7915 8000 8136 6412 5810 8340 8245 JASON2 16668 16785 17466 17127 16992 17152 17220 SPOT4 4718 4765 4973 5134 4881 4887 4907 SPOT5 8666 8398 8391 8646 8582 8759 8576 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.456 0.436 0.464 0.454 0.451 0.449 0.446 ENVISAT 0.440 0.449 0.474 0.446 0.455 0.460 0.457 JASON2 0.413 0.416 0.417 0.417 0.405 0.404 0.407 SPOT4 0.425 0.456 0.459 0.433 0.428 0.435 0.442 SPOT5 0.408 0.396 0.420 0.421 0.419 0.417 0.414 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 435 488 427 423 429 432 496 AMVB 342 435 391 386 470 393 441 ARFB 382 302 358 339 340 399 299 ASEB 349 306 347 274 295 344 285 BADB 548 496 535 414 468 499 454 BEMB 1420 1483 1439 1462 1344 1437 1438 BETB 411 315 355 382 340 395 353 CHAB 603 550 593 565 585 603 568 CIDB 366 309 367 406 419 412 318 COBB 731 778 781 754 854 767 744 CRQB 240 284 304 252 274 294 302 DIOB 297 289 253 297 274 289 306 DJIB 368 368 363 360 372 368 375 EASB 326 453 371 386 388 324 431 EVEB 233 197 234 237 207 221 213 GAVB 261 218 215 226 206 264 240 GR3B 0 0 0 0 0 0 0 GREB 414 474 400 477 493 438 423 HBMB 401 488 495 452 472 421 452 HEMB 303 290 343 410 326 246 389 JIUB 202 374 439 376 377 298 288 KETB 532 416 366 410 362 466 419 KIUB 386 403 398 379 450 214 188 KOLB 444 351 476 437 483 485 344 KRBB 456 553 570 640 524 447 598 KRWB 368 372 390 435 396 436 394 LICB 312 275 324 335 359 354 336 MAHB 257 295 326 318 340 324 278 MALB 341 268 331 325 352 349 360 MATB o 406 356 351 374 306 358 369 METB 455 511 505 532 510 505 514 MIAB 473 371 378 411 312 454 446 MSPB 481 426 488 445 366 525 509 PAUB 395 418 407 405 398 413 398 PDMB 426 381 302 407 352 363 341 REUB 313 270 272 237 356 343 230 REZB 599 540 509 583 516 596 566 RIQB 634 519 627 543 609 643 482 ROVB 997 990 971 1095 1018 986 1059 SALB 369 430 357 459 351 311 458 SANB o 379 424 310 420 385 372 443 SPJB 1243 1289 1251 1169 1265 1276 1294 STJB 0 0 0 0 41 495 510 SYPB 1128 1089 1115 1138 1162 1156 1062 THUB 1215 1292 1287 1277 1367 1192 1215 TLSB 571 531 564 579 578 582 576 YASB 408 444 435 471 421 426 442 YEMB 495 456 461 485 505 500 433 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 4869 0 5432 0 3254 AMVB 1717 1276 3718 605 1111 ARFB 1408 1086 2971 476 990 ASEB 1226 977 2272 479 909 BADB 2014 1670 4492 759 1422 BEMB 6534 4499 4409 1972 4048 BETB 1337 1107 2772 814 915 CHAB 2151 1703 5128 1209 1411 CIDB 1339 1149 2645 768 958 COBB 2710 2177 5666 1677 1807 CRQB 1984 817 4294 412 823 DIOB 1259 877 2906 447 856 DJIB 1418 1049 2728 770 923 EASB 1176 1181 2596 947 1061 EVEB 459 484 1558 454 723 GAVB 782 939 1599 0 872 GR3B 1086 4 3206 0 0 GREB 1680 1455 4183 695 1242 HBMB 1498 1272 3126 1063 963 HEMB 1517 1106 2895 445 897 JIUB 1309 1182 2958 602 972 KETB 2188 1326 4855 616 1163 KIUB 1170 1053 2919 794 963 KOLB 1655 1239 3488 967 1013 KRBB 2017 1943 4017 697 1491 KRWB 1407 1211 2815 953 987 LICB 1314 1023 2419 627 876 MAHB 1132 979 2330 466 920 MALB 1376 1044 2522 728 925 MATB 2053 1212 4634 290 1157 METB 2526 1836 4321 214 1770 MIAB 1703 1291 3462 624 1116 MSPB 1887 1321 4277 924 1219 PAUB 1392 1109 2942 972 969 PDMB 1494 1293 3880 488 1091 REUB 1331 883 2905 368 902 REZB 3313 1969 3863 590 1717 RIQB 2695 1896 4720 636 1691 ROVB 4500 3304 5309 1051 2997 SALB 1452 1226 2742 683 986 SANB 1487 1355 3777 377 1168 SPJB 6234 4035 3773 1854 3240 STJB 1601 1053 3469 654 896 SYPB 4416 3755 4345 1186 3202 THUB 6141 4032 4504 1644 3657 TLSB 1366 1624 3700 1311 1310 YASB 1713 1358 3690 628 1179 YEMB 3484 8 5179 1122 2354 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 tf_110726a at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 9.3 9.4 11.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -4.6 +- 1.0 mm TY = -8.7 +- 0.9 mm TZ = 3.3 +- 0.8 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.6 +- 0.1 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 0.50 1.55 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr