****************************************************************************** dorisreport 22-Sep-2012 09:58:32 Message No 3088 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1699 = 12211 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1699 from 29-07-2012 to 04-08-2012 DORIS name (using day of start): 12211 Days of year: from 2012/211 to 2012/217 ============================================================== 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/ign12211wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign12211wd10.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) #week 1649: correct bug in estimating CRYOSAT2 drag Estimating every hour in the multi-satellite mode (instead of previously once per day) also estimate CONST_L terms for TOPEX and JASON2 every 8 hours (instead of previously once per day) #week 1656: test.2011.09.27c Minor change: do not use DEV scripts anymore 4) Global Statistics ==================== GPS week number 1699 from 29-07-2012 to 04-08-2012 Total number of stations = 49 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.83 the following satellites were used in the combination 2012 211 cryosat2 jason2 spot4 spot5 2012 212 cryosat2 jason2 spot4 spot5 2012 213 cryosat2 jason2 spot4 spot5 2012 214 cryosat2 jason2 spot4 spot5 2012 215 cryosat2 jason2 spot4 spot5 2012 216 cryosat2 jason2 spot4 spot5 2012 217 cryosat2 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 -------------------------------------------------------- 29-07-2012 40245 65 40180 0.2 30-07-2012 40320 38 40282 0.1 31-07-2012 39850 37 39813 0.1 01-08-2012 38572 43 38529 0.1 02-08-2012 41491 42 41449 0.1 03-08-2012 41432 58 41374 0.1 04-08-2012 40986 40 40946 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 9186 9502 9136 9814 9489 9653 9224 JASON2 17761 17797 17460 14899 18161 18021 18122 SPOT4 4648 4809 5006 5263 5207 4940 4997 SPOT5 8585 8174 8211 8553 8592 8760 8603 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.459 0.459 0.455 0.439 0.453 0.450 0.438 JASON2 0.384 0.384 0.392 0.389 0.395 0.401 0.383 SPOT4 0.426 0.439 0.443 0.431 0.437 0.424 0.430 SPOT5 0.399 0.400 0.403 0.408 0.412 0.413 0.395 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 1460 1397 1363 1316 1366 1461 1370 AMVB 796 804 851 718 760 737 825 ARFB 654 655 686 655 546 689 583 ASEB 479 539 473 453 395 477 501 BADB 992 1032 1010 965 1006 981 924 BEMB 2016 2047 2057 1974 1886 2049 2080 BETB 522 535 533 505 435 509 448 CADB 703 696 542 783 653 721 654 CHAB 1087 1077 1082 989 1134 1060 1101 CIDB 626 558 662 646 570 677 616 COBB 0 0 0 833 1274 1203 1222 CRQB 795 944 915 807 917 883 904 DIOB 635 755 609 737 722 730 696 EASB 633 701 657 640 548 606 686 EVEB o 459 452 440 514 387 461 392 GR3B 542 615 617 609 541 570 526 GRFB 733 723 850 847 806 771 647 HBMB 689 767 793 772 757 735 769 HEMB 505 597 644 651 561 557 507 JIUB 647 632 722 618 674 638 643 KETB 1000 926 839 1009 1024 974 1006 KIUB 773 758 840 859 745 751 834 KOLB 716 682 727 773 748 713 659 KRBB 967 945 1108 1092 1059 949 1060 KRWB 613 522 604 570 532 613 611 LICB 356 590 450 383 306 515 460 MAHB 572 304 407 519 514 225 216 MALB 578 620 487 597 497 613 537 MANB o 420 504 362 588 529 477 441 MEUB 961 1073 1088 1177 1184 922 1049 MIAB 763 575 574 625 646 666 583 MSPB 830 906 843 778 804 822 872 NOXB 717 669 509 508 559 740 632 PAUB 599 555 608 605 610 583 611 PDMB o 638 333 0 483 778 727 702 REUB 621 613 579 656 695 656 575 REZB 982 1061 1161 1111 1124 1023 1066 RIMB 585 500 513 501 482 550 555 RIRB 1219 1156 1123 1081 1171 1218 1049 ROVB 1436 1429 1324 1619 1442 1430 1504 SALB 616 634 684 606 577 581 593 SANB o 627 696 648 779 711 711 663 SPJB 1797 1879 1830 1874 1924 1748 1911 STJB o 994 968 1091 1050 950 788 880 SYPB 1529 1533 1527 1597 1596 1535 1499 THUB 1885 1919 1937 1906 1893 1841 1803 TLSB 923 1058 887 1021 982 933 990 YASB 803 777 798 599 649 831 775 YEMB 1346 1192 1356 1328 1402 1365 1319 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 JASON2 SPOT4 SPOT5 ----------------------------------------- ADGB 2611 3996 0 3126 AMVB 1092 2625 734 1040 ARFB 941 2101 526 900 ASEB 616 1424 499 778 BADB 1299 3602 702 1307 BEMB 5115 3070 2016 3908 BETB 609 1704 563 611 CADB 985 2038 740 989 CHAB 1339 3650 1241 1300 CIDB 799 2043 621 892 COBB 786 2026 817 903 CRQB 1328 3538 397 902 DIOB 895 2753 440 796 EASB 740 2017 827 887 EVEB 558 1519 376 652 GR3B 1049 2971 0 0 GRFB 907 2771 542 1157 HBMB 1010 2278 1073 921 HEMB 969 2018 212 823 JIUB 745 2113 777 939 KETB 1424 3647 559 1148 KIUB 1097 2620 887 956 KOLB 902 2241 889 986 KRBB 1439 3500 689 1552 KRWB 632 1605 914 914 LICB 464 1539 429 628 MAHB 602 1179 321 655 MALB 640 1688 712 889 MANB 524 1490 395 912 MEUB 1815 3625 329 1685 MIAB 789 2127 503 1013 MSPB 1187 2712 790 1166 NOXB 794 2126 573 841 PAUB 696 1795 817 863 PDMB 704 1852 322 783 REUB 1023 2134 415 823 REZB 2056 3546 385 1541 RIMB 813 1777 250 846 RIRB 1585 3963 862 1607 ROVB 2668 3738 920 2858 SALB 739 1889 719 944 SANB 893 2532 295 1115 SPJB 5228 2764 1725 3246 STJB 1270 3114 1029 1308 SYPB 2860 3742 1132 3082 THUB 4816 3027 1827 3514 TLSB 1107 3106 1310 1271 YASB 1003 2370 725 1134 YEMB 2085 3924 1083 2216 6.4) statistics per station and per satellite (deleted stations) ----------------------------------------------------------------------- CRYOSAT2 JASON2 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 10.9 10.5 12.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -7.4 +- 1.2 mm TY = -3.1 +- 1.1 mm TZ = 41.5 +- 1.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 2.8 +- 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 0.36 0.45 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr