This is a multi-part message in MIME format... ------------=_1098379409-2395-21 ****************************************************************************** dorisreport 21-Oct-2004 19:13:34 Message No 0023 ****************************************************************************** Author: Pascal Willis Subject: IGN/JPL DORIS Report for week 1286 = 04242 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1286 from 29-08-2004 to 04-09-2004 DORIS name (using day of start): 04242 Days of year: from 2004/242 to 2004/248 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone 1-818-393-4748 FAX 1-818-393-4965 2) Products =========== All the following products are available at the CDDIS data center ftp cddisa.gsfc.nasa.gov weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ign04242wd05.snx.Z weekly sinex in ITRF2000 pub/doris/products/sinex_series/ignwd/ign04242wd04.snx.Z geocenter series pub/doris/products/geoc/ign03wd01.geoc.Z Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.Z 3) Analysis Strategy ==================== The DORIS data have been processed using the Gipsy/Oasis software at 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 ITRF2000 pub/doris/products/sinex_series/ignwd/ignwd04.snx.dsc geocenter series pub/doris/products/geoc/ign03wd01.geoc.dsc Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.dsc For references, the following papers are recommended : Willis, P., Y. Bar-Sever, and G. Tavernier (2003), DORIS as a potential part of a Global Geodetic Observing System, J. Geodyn, G07_10P_D-001, in press. Willis, P., M. Heflin (2004), External validation of the GRACE GGM01C gravity field using GPS and DORIS positioning results, Geophys. Res. Lett., 31, 13, L13616, doi:10.1029/2004GL020038. Last changes in the time series data analysis: Week 678 = 93003 : See DORISMail #0288, start of the time series Week 1281 = 04207 : Estimate DORIS wet tropospheric delay per measurement using a randomwalk approch (Psigma = 5 cm per day) no horizontal gradients used yet. See DORISMail #0345 4) Global Statistics ==================== GPS week number 1286 from 29-08-2004 to 04-09-2004 Total number of stations = 43 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 1.99 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 29-08-2004 25167 69 25098 0.3 30-08-2004 22340 89 22251 0.4 31-08-2004 19766 63 19703 0.3 01-09-2004 23022 43 22979 0.2 02-09-2004 23926 78 23848 0.3 03-09-2004 24092 31 24061 0.1 04-09-2004 24121 55 24066 0.2 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 --------------------------------------------------------------- ENVISAT 4599 4129 4292 4560 4046 3703 4277 SPOT2 4061 4090 4413 4254 3932 3969 4054 SPOT4 4609 4495 4433 4431 4251 4422 4474 SPOT5 6626 6344 6347 6529 5986 6396 6118 TOPEX 5203 3193 218 3205 5633 5571 5143 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.533 0.518 0.492 0.515 0.540 0.504 0.520 SPOT2 0.414 0.445 0.437 0.440 0.422 0.423 0.416 SPOT4 0.461 0.443 0.428 0.444 0.482 0.437 0.444 SPOT5 0.426 0.420 0.391 0.425 0.421 0.409 0.424 TOPEX 0.460 0.447 0.461 0.450 0.453 0.435 0.460 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 --------------------------------------------------------------- ADEB 1746 1552 1418 1702 1742 1624 1825 ASDB 188 74 116 191 154 98 150 BADB 314 240 297 424 501 606 490 CICB 480 461 420 450 550 588 515 COLA o 540 493 422 516 555 459 463 CROB 607 573 507 302 473 448 374 DIOA o 497 540 447 507 502 491 484 DJIB 604 454 470 543 367 465 583 EASB 566 504 459 513 600 550 614 FAIB o 1176 1049 893 1012 1099 1196 1207 FUTB 469 434 411 524 523 495 443 GALA 351 417 445 373 288 383 414 GOMB 254 294 229 210 221 191 342 GREB 574 423 431 582 448 493 609 HBKB 617 411 503 463 428 562 536 HEMB 231 381 381 258 342 430 340 JIUB 39 75 147 0 0 30 69 KIUB 598 546 520 579 610 662 553 KOLB 777 443 457 563 593 660 795 KRAB o 692 572 547 466 681 692 517 KRUB 662 623 354 296 527 562 587 LIBB 542 328 345 449 426 413 191 MANB 33 25 0 0 25 36 0 METB 819 742 702 855 732 723 781 MORB 447 342 412 430 378 496 424 MSPB 616 578 595 565 584 641 613 PAQB 570 398 377 642 591 691 665 PDMB 532 441 345 368 420 427 377 PURA 516 452 350 488 411 215 79 REUB 427 353 359 610 538 484 668 REYB 879 754 752 977 367 0 0 RIDA 471 405 346 423 433 366 436 RIPB 1091 1128 789 1023 1118 1162 1015 SAKB 0 0 95 530 652 534 224 SALB 0 0 0 0 0 313 413 SANB 777 689 438 602 595 694 770 SODB o 511 442 357 558 544 523 568 STJB 345 377 155 241 478 373 463 SYPB 1660 1653 1493 1439 1660 1571 1731 TLHA 690 582 308 527 701 717 768 TRIB o 638 643 459 546 626 594 486 YASB 698 617 488 621 690 644 577 YELB 953 862 752 814 916 863 984 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 TOPEX --------------------------------------------- ADEB 2920 2151 2219 3213 1690 ASDB 262 232 105 78 318 BADB 501 604 710 632 535 CICB 645 754 794 1092 546 COLA 775 705 807 1089 490 CROB 533 511 849 1089 425 DIOA 671 785 808 1028 297 DJIB 671 780 669 902 656 EASB 424 838 822 1042 1011 FAIB 1218 1265 1372 2724 1567 FUTB 499 586 784 870 733 GALA 501 549 637 772 370 GOMB 493 265 104 849 53 GREB 760 557 737 1425 470 HBKB 854 776 686 1043 539 HEMB 437 463 459 837 399 JIUB 417 0 0 0 0 KIUB 612 824 887 1365 766 KOLB 900 659 998 1040 1167 KRAB 677 828 773 1699 579 KRUB 533 722 643 1006 1000 LIBB 625 576 525 885 398 MANB 119 0 0 0 0 METB 1169 979 1160 1661 523 MORB 477 704 604 663 631 MSPB 881 700 879 1222 717 PAQB 796 734 800 1074 935 PDMB 623 533 645 1151 251 PURA 334 480 628 673 491 REUB 743 669 722 869 611 REYB 1036 674 570 1618 224 RIDA 715 511 529 1167 266 RIPB 1462 1435 1471 2104 1614 SAKB 224 454 379 424 613 SALB 99 118 165 284 137 SANB 898 841 979 1380 896 SODB 696 647 699 1059 721 STJB 555 198 480 855 395 SYPB 2655 2121 2343 3921 1117 TLHA 616 553 456 1400 1580 TRIB 582 688 854 1081 1034 YASB 856 747 854 1165 939 YELB 1655 831 913 2503 843 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 TOPEX --------------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign03d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 19.4 18.0 19.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign03d02 TX = -22.5 +- 2.9 mm TY = 8.2 +- 2.8 mm TZ = -30.4 +- 2.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2000 using reference ign03d02 S = -1.4 +- 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) 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