****************************************************************************** dorisreport 16-Oct-2012 06:41:07 Message No 3119 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1704 = 12246 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1704 from 02-09-2012 to 08-09-2012 DORIS name (using day of start): 12246 Days of year: from 2012/246 to 2012/252 ============================================================== 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/ign12246wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign12246wd10.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 4) Global Statistics ==================== GPS week number 1704 from 02-09-2012 to 08-09-2012 Total number of stations = 48 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 3.63 the following satellites were used in the combination 2012 246 cryosat2 jason2 spot4 spot5 2012 247 cryosat2 jason2 spot4 spot5 2012 248 cryosat2 jason2 spot4 spot5 2012 249 cryosat2 jason2 spot4 spot5 2012 250 cryosat2 jason2 spot4 spot5 2012 251 cryosat2 jason2 spot4 spot5 2012 252 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 -------------------------------------------------------- 02-09-2012 41516 93 41423 0.2 03-09-2012 41035 150 40885 0.4 04-09-2012 39912 93 39819 0.2 05-09-2012 40318 75 40243 0.2 06-09-2012 40171 156 40015 0.4 07-09-2012 40224 168 40056 0.4 08-09-2012 40098 125 39973 0.3 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 9366 9754 9153 9295 9030 9372 8971 JASON2 18195 18054 17573 17669 17646 17659 17738 SPOT4 5325 4561 4898 5055 5089 4889 4752 SPOT5 8537 8516 8195 8224 8250 8136 8512 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.452 0.462 0.456 0.441 0.472 0.452 0.444 JASON2 0.409 0.419 0.417 0.414 0.419 0.412 0.404 SPOT4 0.460 0.442 0.448 0.446 0.452 0.435 0.438 SPOT5 0.441 0.428 0.419 0.429 0.421 0.420 0.420 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 1362 1407 1451 1332 1352 1322 1422 AMVB 760 733 784 747 769 802 754 ARFB 532 709 559 634 644 623 563 ASEB 465 559 539 493 508 441 553 BADB 1068 964 929 1029 1021 931 993 BEMB 1833 1994 2050 2103 1985 2014 1999 CADB 645 739 662 664 635 717 669 CHAB 1069 1065 1068 1089 1068 1055 1084 CIDB 645 675 594 481 643 677 617 COBB 1281 1291 1195 1258 1306 1288 1305 CRQB 938 903 924 910 753 868 921 DIOB 733 761 761 759 679 755 703 EASB 646 629 732 618 696 602 703 EVEB o 391 329 443 439 448 501 441 GR3B 609 558 615 569 537 592 634 GRFB 739 676 691 764 718 835 772 HBMB 736 753 767 769 758 735 729 HEMB 492 557 552 664 598 516 577 JIUB 642 700 728 734 591 671 594 KETB 1035 1078 975 845 959 1019 1056 KIUB 772 858 802 774 832 856 716 KOLB 728 642 550 784 692 733 696 KRBB 1073 916 1014 1054 1128 1051 1023 KRWB 612 594 534 590 579 537 572 LICB 463 481 403 462 517 442 566 MAHB 533 578 497 532 501 566 522 MALB 537 489 270 0 0 0 0 MANB o 369 510 480 566 623 504 375 MEUB 1176 1018 1020 982 1167 1100 1053 MIAB 673 645 589 536 605 556 633 MSPB 832 780 945 723 803 758 816 NOXB 620 782 703 589 636 528 746 PAUB 618 546 515 689 608 611 608 PDMB o 698 776 713 756 689 759 620 REUB 648 624 588 553 621 622 633 REZB 1149 1124 1063 1199 1180 1135 1068 RIMB 556 474 525 510 543 487 564 RIRB 1054 1245 986 1173 1129 1205 1105 ROVB 1714 1446 1538 1473 1510 1435 1437 SALB 484 356 0 0 0 0 0 SANB o 805 631 768 613 650 734 781 SPJB 1778 1894 1858 1875 1839 1836 1777 STJB o 968 952 996 1057 1107 1054 957 SYPB 1680 1509 1566 1553 1537 1477 1466 THUB 1838 1846 1841 1903 1875 1944 1903 TLSB 972 888 893 975 903 931 940 YASB 780 710 704 762 731 769 678 YEMB 1321 1189 1096 1252 1036 1114 1345 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 2592 4005 0 3051 AMVB 1042 2682 539 1086 ARFB 925 2043 402 894 ASEB 629 1565 561 803 BADB 1404 3605 657 1269 BEMB 5242 3041 1846 3849 CADB 968 2111 662 990 CHAB 1338 3638 1209 1313 CIDB 775 1884 735 938 COBB 1416 4092 1620 1796 CRQB 1290 3637 403 887 DIOB 1050 2836 418 847 EASB 863 2035 864 864 EVEB 583 1380 413 616 GR3B 1149 2965 0 0 GRFB 835 2611 635 1114 HBMB 1016 2259 998 974 HEMB 832 2054 278 792 JIUB 792 2097 782 989 KETB 1350 3759 746 1112 KIUB 1070 2679 864 997 KOLB 849 2059 947 970 KRBB 1548 3508 704 1499 KRWB 644 1622 882 870 LICB 585 1520 491 738 MAHB 573 1727 566 863 MALB 209 529 269 289 MANB 624 1540 382 881 MEUB 1869 3473 493 1681 MIAB 759 2133 401 944 MSPB 1130 2734 674 1119 NOXB 990 2111 534 969 PAUB 725 1767 872 831 PDMB 836 2711 479 985 REUB 975 2125 305 884 REZB 2152 3746 490 1530 RIMB 733 1885 251 790 RIRB 1654 3954 688 1601 ROVB 2694 3903 1074 2882 SALB 145 373 154 168 SANB 875 2435 556 1116 SPJB 5148 2797 1714 3198 STJB 1327 3532 923 1309 SYPB 2826 3742 1178 3042 THUB 4644 3094 1901 3511 TLSB 900 3068 1281 1253 YASB 957 2308 791 1078 YEMB 1743 3595 975 2040 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 13.0 11.2 12.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = 0.3 +- 1.4 mm TY = -21.7 +- 1.3 mm TZ = 12.6 +- 1.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 1.9 +- 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 0.36 0.64 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr