This is a multi-part message in MIME format... ------------=_1099004812-31940-3 ****************************************************************************** dorisreport 29-Oct-2004 01:05:11 Message No 0036 ****************************************************************************** Author: Pascal Willis Subject: IGN/JPL DORIS Report for week 1288 = 04256 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1288 from 12-09-2004 to 18-09-2004 DORIS name (using day of start): 04256 Days of year: from 2004/256 to 2004/262 ============================================================== 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/ign04256wd05.snx.Z weekly sinex in ITRF2000 pub/doris/products/sinex_series/ignwd/ign04256wd04.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 Week 1287 = 04249 : Start using cumulative solution ign04d02 to perform the ITRF2000 transformation (when needed) 4) Global Statistics ==================== GPS week number 1288 from 12-09-2004 to 18-09-2004 Total number of stations = 39 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 1.74 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 12-09-2004 23199 45 23154 0.2 13-09-2004 22789 63 22726 0.3 14-09-2004 20788 43 20745 0.2 15-09-2004 22860 39 22821 0.2 16-09-2004 23266 31 23235 0.1 17-09-2004 22647 55 22592 0.2 18-09-2004 22924 46 22878 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 3683 3934 4141 3780 3888 4278 4141 SPOT2 4007 3773 3760 4078 4095 3889 3781 SPOT4 4122 4181 4227 4204 4102 3944 4063 SPOT5 6334 5881 4136 5579 6068 5743 5854 TOPEX 5008 4957 4481 5180 5082 4738 5039 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.486 0.498 0.507 0.508 0.499 0.513 0.506 SPOT2 0.429 0.410 0.418 0.426 0.417 0.416 0.420 SPOT4 0.453 0.467 0.428 0.437 0.437 0.438 0.447 SPOT5 0.403 0.405 0.412 0.403 0.398 0.423 0.415 TOPEX 0.446 0.431 0.446 0.439 0.443 0.448 0.439 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 1711 1588 1720 1750 1645 1851 1763 ASDB 279 269 58 117 136 102 175 BADB 630 569 569 611 603 602 659 CICB 503 576 449 506 583 496 476 COLA o 362 454 509 467 579 589 499 CROB 430 459 455 512 540 398 433 DIOA o 422 509 571 524 481 415 504 DJIB 421 580 635 429 656 667 594 EASB 596 540 545 607 606 543 551 FAIB o 1167 1179 1146 1179 1201 1194 1068 FUTB 520 556 439 561 573 559 567 GALA 364 435 412 484 379 392 350 GREB 526 524 637 459 502 432 429 HBKB 510 590 541 474 589 525 547 HEMB 458 377 377 431 442 298 383 JIUB 100 112 39 29 0 56 0 KIUB 613 563 525 497 537 544 482 KOLB 632 547 679 635 611 720 644 KRAB o 635 634 483 671 703 644 754 KRUB 637 360 527 622 606 492 493 LIBB 358 285 334 484 422 361 275 METB 768 675 757 698 718 722 736 MORB 403 439 437 395 436 412 421 PAQB 633 633 443 631 680 694 611 PDMB 445 334 496 411 395 371 372 PURA 516 353 307 398 429 480 442 REUB 453 594 512 467 464 632 583 RIDA 383 413 467 453 395 424 438 RIPB 1064 1059 1130 1042 1053 1151 1108 SAKB 392 385 383 334 372 268 297 SALB 530 342 407 562 413 417 573 SANB 602 683 776 647 610 608 677 SODB o 501 587 506 515 419 0 0 STJB 186 266 211 138 184 190 193 SYPB 1642 1550 1661 1665 1642 1632 1638 TLHA 653 807 332 768 689 707 791 TRIB o 626 600 542 690 544 523 708 YASB 599 493 777 711 605 646 717 YELB 949 893 420 285 997 914 948 6.2) stations rejected from solution ------------------------------------ the following stations were not given in the output sinex solutions : day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- KESB 0 0 0 0 0 0 19 MANB 0 0 33 26 24 0 25 this is due to the lack of data or to some stations related problems as described below MANB 1 8 2004 1 1 2010 equipement problem, received on ENVISAT only 6.3) statistics per station and per satellite (stations in sinex) ----------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 TOPEX --------------------------------------------- ADEB 2982 2159 2167 3108 2227 ASDB 251 213 143 147 418 BADB 812 619 720 1481 765 CICB 670 703 749 1182 696 COLA 613 655 788 1060 702 CROB 745 399 700 1024 495 DIOA 676 744 818 1006 304 DJIB 661 802 781 872 1060 EASB 362 897 871 1009 1219 FAIB 1303 1269 1385 2739 1950 FUTB 553 574 849 943 984 GALA 317 486 557 804 745 GREB 758 631 610 1127 725 HBKB 811 745 762 1202 669 HEMB 620 526 462 843 606 JIUB 383 0 0 0 0 KIUB 454 784 876 1344 629 KOLB 596 669 778 1173 1653 KRAB 765 733 868 1721 825 KRUB 406 635 710 1038 1232 LIBB 441 521 469 713 619 METB 1133 997 985 1647 424 MORB 403 684 532 622 806 PAQB 667 816 828 1179 1240 PDMB 797 502 585 1044 210 PURA 424 529 620 851 612 REUB 520 726 783 996 807 RIDA 591 544 558 1091 474 RIPB 1460 1381 1429 2191 1925 SAKB 345 808 358 334 696 SALB 797 694 627 899 623 SANB 752 809 885 1495 1092 SODB 366 472 427 798 650 STJB 614 0 345 245 194 SYPB 2821 2233 2269 3826 1256 TLHA 713 381 510 1416 2105 TRIB 660 846 794 1128 1086 YASB 913 870 864 1038 1106 YELB 1383 729 815 1985 1025 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 TOPEX --------------------------------------------- KESB 0 19 0 0 0 MANB 108 0 0 0 0 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign04d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 12.7 14.3 15.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign04d02 TX = -19.7 +- 1.4 mm TY = 10.1 +- 1.5 mm TZ = 6.9 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2000 using reference ign04d02 S = -2.3 +- 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 1.47 0.69 ============================================================== ------------=_1099004812-31940-3 Content-Type: text/plain; name="message.footer" Content-Disposition: inline; filename="message.footer" Content-Transfer-Encoding: 8bit Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr ------------=_1099004812-31940-3--