****************************************************************************** dorisreport 08-Oct-2008 04:23:45 Message No 1401 ****************************************************************************** Author: willis@ipgp.fr ( WILLIS Pascal) Subject: IGN/JPL DORIS Report for week 1495 = 08244 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1495 from 31-08-2008 to 06-09-2008 DORIS name (using day of start): 08244 Days of year: from 2008/244 to 2008/250 ============================================================== 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/ign08244wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08244wd06.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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/ignwd05.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd06.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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., C. Boucher, H. Fagard, Z. Altamimi (2005), Applications geodesiques du systeme DORIS a l'Institut Geographique National, Geodetic applications of the DORIS system at the French Institut Geographique National, C.R. Geoscience, 337(7), 653-662, DOI: 10.1016/j.crte.2005.03.002 Last changes in the time series data analysis: Week 678: See DORISMail #0288, start of the time series 4) Global Statistics ==================== GPS week number 1495 from 31-08-2008 to 06-09-2008 Total number of stations = 51 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.45 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 31-08-2008 22598 6 22592 0.0 01-09-2008 22128 3 22125 0.0 02-09-2008 22245 1 22244 0.0 03-09-2008 22467 18 22449 0.1 04-09-2008 22432 8 22424 0.0 05-09-2008 22441 48 22393 0.2 06-09-2008 21957 6 21951 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 --------------------------------------------------------------- ENVISAT 6903 6839 6939 6743 6772 6849 6508 SPOT2 2866 2603 2543 2707 2971 2869 2797 SPOT4 5018 4882 4983 5163 5197 4962 4802 SPOT5 7805 7801 7779 7836 7484 7713 7844 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.406 0.408 0.403 0.443 0.448 0.452 0.424 SPOT2 0.449 0.438 0.418 0.452 0.418 0.432 0.418 SPOT4 0.414 0.424 0.432 0.408 0.417 0.411 0.415 SPOT5 0.372 0.367 0.377 0.384 0.393 0.392 0.384 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 1662 1750 1673 1752 1782 1650 1608 AMUB 570 453 492 467 453 472 498 ARFB 427 419 339 366 492 401 422 ASDB o 287 300 248 344 283 308 295 BEMB 1477 1537 1407 1497 1452 1359 1375 BETB 372 378 311 342 341 339 295 CADB 538 511 425 462 439 439 459 CHAB 638 654 628 672 682 626 623 CICB 429 432 410 443 494 399 425 CRPB 316 262 353 376 306 266 322 DIOB 320 489 416 340 371 387 373 DJIB 488 396 447 440 464 455 455 EASB 417 454 449 376 366 482 423 FAIB o 912 854 867 925 919 884 948 FUTB 359 405 366 410 298 348 347 GREB 500 461 509 557 435 439 427 HBMB 437 428 462 459 491 406 462 HEMB 365 350 420 386 312 457 364 JIUB 495 490 491 491 454 264 0 KETB 310 48 0 0 0 0 0 KIUB 588 535 541 562 537 499 561 KOLB 635 521 442 594 581 584 523 KRUB 374 394 411 426 405 379 371 LICB 414 457 436 337 415 406 444 MAHB 380 331 326 316 330 292 321 MALB 392 414 430 443 350 384 445 MANB o 391 329 388 420 398 456 361 MATB o 456 434 353 400 438 471 389 METB 607 618 572 586 680 576 658 MIAB 316 436 392 351 506 380 423 MOOB 472 511 517 533 486 488 526 MORB 0 0 0 0 0 268 436 MSPB 603 446 446 522 522 541 507 NOWB 235 232 333 351 257 280 222 PATB 484 399 414 496 390 448 474 PDMB 436 395 500 325 428 467 430 REUB 376 371 312 427 358 324 388 REZB 632 663 636 621 614 755 688 RIKB 384 386 412 341 422 421 396 RIQB 740 708 612 603 619 668 718 ROUB 1000 963 1236 1141 1120 1197 1083 SALB 519 382 511 376 392 609 376 SANB 375 319 441 495 488 490 375 SODB o 377 405 349 446 378 326 347 SPJB 1381 1422 1498 1473 1409 1480 1517 STJB o 555 639 570 520 568 512 604 SYPB 1313 1370 1241 1178 1388 1266 1416 THUB 1222 1255 1140 1112 1239 1115 1154 TLSB 576 523 570 540 593 557 518 YASB 376 524 480 488 573 584 418 YEMB 911 904 941 896 845 915 877 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) ----------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 ------------------------------------- ADFB 3841 2154 3151 3182 AMUB 1187 593 624 1140 ARFB 1098 415 535 936 ASDB 877 28 485 868 BEMB 4466 389 1792 3949 BETB 1027 129 582 889 CADB 1159 631 836 955 CHAB 1547 654 1128 1358 CICB 1129 364 764 948 CRPB 1058 181 325 811 DIOB 939 439 708 838 DJIB 1100 547 753 963 EASB 1165 330 941 1087 FAIB 2842 391 1090 2538 FUTB 1051 271 578 1006 GREB 1362 341 713 1150 HBMB 1135 454 707 1022 HEMB 1058 352 463 975 JIUB 1247 334 800 1035 KETB 222 34 64 152 KIUB 1498 393 1150 1248 KOLB 1325 830 973 995 KRUB 1154 295 639 943 LICB 1093 338 748 908 MAHB 1068 103 360 915 MALB 975 396 792 944 MANB 1164 311 425 982 MATB 1274 129 489 1209 METB 1855 470 463 1776 MIAB 1210 394 552 989 MOOB 1344 354 856 1190 MORB 1123 404 631 902 MSPB 1385 368 782 1201 NOWB 858 197 308 660 PATB 1231 468 703 940 PDMB 1249 166 722 1159 REUB 981 304 540 896 REZB 1952 397 732 1890 RIKB 1141 280 528 995 RIQB 1871 706 724 1608 ROUB 3280 675 1124 2960 SALB 1191 350 761 1036 SANB 1290 317 422 1086 SODB 1218 163 525 999 SPJB 4181 1312 1771 3346 STJB 1584 458 881 1294 SYPB 3602 1723 1124 3100 THUB 3047 573 1407 3515 TLSB 1644 433 721 1312 YASB 1299 529 703 1061 YEMB 2497 898 970 2233 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 ------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign07d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 13.0 10.2 13.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -1.5 +- 1.4 mm TY = 6.6 +- 1.4 mm TZ = 7.1 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.4 +- 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 1.46 0.91 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr