****************************************************************************** dorisreport 20-Feb-2013 05:52:35 Message No 3250 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1723 = 13013 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1723 from 13-01-2013 to 19-01-2013 DORIS name (using day of start): 13013 Days of year: from 2013/13 to 2013/19 ============================================================== 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/ign13013wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign13013wd10.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: goa-test.2011.09.27c Minor change: do not use DEV scripts anymore #week 1698: goa-test.2012.09.11a Correct bug related to satellite phase center corrections #week 1720: goa.test.2013.01.25a Correct bug when handling files doris_break.nml to handle station discontinuities and also SAA_definitions.txt file to handle stations and satellites affected by the South Atlantic Anomaly effect 4) Global Statistics ==================== GPS week number 1723 from 13-01-2013 to 19-01-2013 Total number of stations = 45 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.93 the following satellites were used in the combination 2013 13 cryosat2 jason2 spot4 spot5 2013 14 cryosat2 jason2 spot4 spot5 2013 15 cryosat2 jason2 spot4 spot5 2013 16 cryosat2 jason2 spot4 spot5 2013 17 cryosat2 jason2 spot4 spot5 2013 18 cryosat2 jason2 spot4 spot5 2013 19 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 -------------------------------------------------------- 13-01-2013 36418 56 36362 0.2 14-01-2013 35924 66 35858 0.2 15-01-2013 35922 122 35800 0.3 16-01-2013 37163 141 37022 0.4 17-01-2013 37497 75 37422 0.2 18-01-2013 37547 47 37500 0.1 19-01-2013 36145 43 36102 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 8478 8375 8488 8767 8590 8575 8363 JASON2 15812 15587 15344 16091 16875 16405 15637 SPOT4 4627 4514 4478 4305 4223 4729 4810 SPOT5 7445 7382 7490 7859 7734 7791 7292 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.452 0.425 0.448 0.434 0.449 0.439 0.457 JASON2 0.400 0.397 0.399 0.387 0.381 0.398 0.399 SPOT4 0.444 0.425 0.450 0.432 0.435 0.430 0.440 SPOT5 0.410 0.404 0.407 0.409 0.410 0.406 0.406 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 1360 1371 1373 1378 1377 1365 1319 AMVB 769 713 858 716 823 765 668 ARFB 616 628 523 511 557 689 690 ASEB 464 373 521 418 523 446 419 BADB 1065 872 1003 1034 1010 1057 1001 BEMB 2025 1989 1972 2035 2081 2103 1990 CADB 592 595 492 612 610 686 610 CHAB 1014 986 983 1040 1016 1078 1083 CIDB 519 588 620 582 575 472 549 COBB 1305 1382 1327 1320 1236 1304 1321 CRQB 990 793 841 916 948 948 778 DIOB 590 698 654 661 566 702 607 DJIB 640 617 691 612 610 499 606 EASB 646 634 585 618 614 643 667 EVEB o 417 506 435 424 475 439 402 FUUB 521 476 528 471 490 463 552 GR3B 0 0 0 74 616 499 605 GRFB 842 922 861 792 760 908 835 HBMB 740 783 715 678 720 713 725 HEMB 597 695 588 572 544 625 634 KETB 968 916 924 1109 905 927 945 KOLB 750 754 798 764 704 733 752 KRBB 1070 1163 1061 1088 1042 1082 1149 KRWB 464 458 384 471 534 524 555 LICB 516 467 584 516 525 555 544 MANB o 458 624 641 568 664 539 635 MEUB 1185 1103 1079 1067 1033 922 1156 MIAB 739 622 675 658 760 690 734 MSPB 836 836 738 813 833 727 839 NOXB 570 614 539 663 668 705 534 PAUB 675 589 654 635 601 605 615 PDMB o 738 781 707 703 726 820 672 REUB 675 551 699 535 633 561 665 REZB 1244 1228 1130 1137 1139 1133 1204 RIMB 460 433 507 465 394 525 499 RIRB 1095 1089 1117 1134 1021 1186 1115 ROVB 42 0 340 1534 1574 1150 0 SALB 648 592 489 576 661 646 584 SANB o 671 680 671 721 652 652 655 SPJB 1859 1760 1860 1792 1776 1807 1859 STJB o 597 498 133 0 0 0 0 SYPB 1539 1535 1465 1656 1558 1594 1459 THUB 1816 1886 1987 1833 1809 1875 1896 TLSB 1002 1007 963 968 998 958 829 YASB 621 649 646 770 771 784 747 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 2658 3869 0 3016 AMVB 1138 2634 489 1051 ARFB 843 2066 444 861 ASEB 615 1409 474 666 BADB 1379 3648 710 1305 BEMB 5293 3056 1989 3857 CADB 825 1905 671 796 CHAB 1268 3479 1142 1311 CIDB 674 1618 702 911 COBB 1550 4229 1711 1705 CRQB 1322 3525 472 895 DIOB 948 2531 274 725 DJIB 783 1939 662 891 EASB 713 1928 821 945 EVEB 569 1440 433 656 FUUB 631 1507 494 869 GR3B 399 1395 0 0 GRFB 1072 3059 636 1153 HBMB 871 2165 1106 932 HEMB 982 2017 385 871 KETB 1344 3648 633 1069 KOLB 1000 2245 1079 931 KRBB 1496 3687 901 1571 KRWB 582 1428 647 733 LICB 605 1652 582 868 MANB 711 1882 606 930 MEUB 1821 3620 525 1579 MIAB 957 2408 549 964 MSPB 1099 2677 735 1111 NOXB 900 2132 364 897 PAUB 649 1796 1024 905 PDMB 922 2719 424 1082 REUB 1019 2151 342 807 REZB 2156 3788 584 1687 RIMB 399 1909 199 776 RIRB 1557 4050 617 1533 ROVB 1197 1601 514 1328 SALB 940 1848 517 891 SANB 852 2322 518 1010 SPJB 5102 2734 1639 3238 STJB 303 337 211 377 SYPB 2994 3632 1151 3029 THUB 4685 3063 1829 3525 TLSB 1130 3042 1289 1264 YASB 894 2197 858 1039 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 10.6 12.0 15.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = 9.3 +- 1.5 mm TY = -10.7 +- 1.5 mm TZ = -32.2 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 2.9 +- 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 0.55 0.75 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr