****************************************************************************** dorisreport 09-Mar-2013 08:04:38 Message No 3273 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1725 = 13027 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1725 from 27-01-2013 to 02-02-2013 DORIS name (using day of start): 13027 Days of year: from 2013/27 to 2013/33 ============================================================== 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/ign13027wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign13027wd10.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 1725 from 27-01-2013 to 02-02-2013 Total number of stations = 45 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.66 the following satellites were used in the combination 2013 27 cryosat2 jason2 spot4 spot5 2013 28 cryosat2 jason2 spot4 spot5 2013 29 cryosat2 jason2 spot4 spot5 2013 30 cryosat2 jason2 spot4 spot5 2013 31 cryosat2 jason2 spot4 spot5 2013 32 cryosat2 jason2 spot4 spot5 2013 33 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 -------------------------------------------------------- 27-01-2013 38178 36 38142 0.1 28-01-2013 37720 39 37681 0.1 29-01-2013 35987 23 35964 0.1 30-01-2013 36745 49 36696 0.1 31-01-2013 33691 108 33583 0.3 01-02-2013 36820 108 36712 0.3 02-02-2013 36737 47 36690 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 8534 8853 8402 8618 4773 8755 8757 JASON2 16875 16560 15922 16004 16662 16554 16571 SPOT4 4646 4561 4098 4610 4364 3368 3706 SPOT5 8087 7707 7542 7464 7784 8035 7656 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.439 0.439 0.431 0.423 0.443 0.437 0.428 JASON2 0.387 0.397 0.408 0.392 0.398 0.403 0.398 SPOT4 0.439 0.443 0.432 0.434 0.437 0.436 0.402 SPOT5 0.399 0.411 0.397 0.405 0.424 0.407 0.398 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 1455 1369 1314 1374 1357 1762 1782 AMVB 750 767 701 686 865 782 777 ARFB 713 671 624 578 621 565 526 ASEB 510 468 477 448 540 370 467 BADB 1052 1018 739 152 1005 1027 959 BEMB 2112 2109 2045 1981 1979 1880 1927 CADB 634 584 625 587 588 513 575 CHAB 1042 1094 1018 1069 1057 1066 978 CIDB 555 533 571 621 503 525 544 COBB 1219 1279 1350 1362 1364 1149 1287 CRQB 910 979 795 905 818 946 902 DIOB 606 701 605 588 618 679 628 DJIB 637 671 665 672 595 628 647 EASB 596 722 711 663 548 668 617 EVEB o 517 402 412 498 459 449 392 FUUB 503 471 457 505 530 514 441 GR3B 574 583 575 578 504 583 539 GRFB 771 852 780 901 857 846 865 HBMB 675 741 774 764 728 615 700 HEMB 508 534 528 677 558 563 528 KETB 1011 888 908 959 955 804 963 KOLB 743 665 718 768 744 689 651 KRBB 1037 1065 1208 1230 1101 1034 966 KRWB 557 514 533 503 468 541 501 LICB 536 506 553 439 562 489 507 MANB o 629 656 607 561 546 544 535 MEUB 1132 978 1147 1041 1153 1048 1093 MIAB 733 686 686 638 643 718 638 MSPB 841 696 851 807 841 718 822 NOXB 655 681 525 498 510 629 592 PAUB 583 462 161 674 609 487 578 PDMB o 774 793 729 783 753 758 702 REUB 603 570 522 634 590 536 654 REZB 1147 1020 1141 1183 1114 1190 1169 RIMB 498 515 482 525 554 425 415 RIRB 1242 1192 1153 1071 1116 1118 1190 ROVB 1465 1465 1546 1455 1520 1525 1491 SALB 622 627 648 608 619 530 549 SANB o 677 655 654 654 695 617 698 SPJB 1855 1809 1848 1874 1842 1822 1768 STJB o 0 0 0 0 11 10 0 SYPB 1518 1506 1421 1507 1537 1705 1525 THUB 1944 1861 1766 1960 1890 1684 1758 TLSB 900 1027 580 511 952 871 854 YASB 712 812 728 794 684 757 681 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 2660 3877 758 3118 AMVB 1028 2637 651 1012 ARFB 896 2070 467 865 ASEB 641 1408 438 793 BADB 1138 3153 578 1083 BEMB 5184 3112 1804 3933 CADB 734 1887 596 889 CHAB 1312 3642 1071 1299 CIDB 587 1688 684 893 COBB 1595 4120 1585 1710 CRQB 1285 3673 434 863 DIOB 929 2439 312 745 DJIB 853 2016 786 860 EASB 772 2024 799 930 EVEB 618 1418 455 638 FUUB 573 1525 484 839 GR3B 1070 2866 0 0 GRFB 1132 2984 549 1207 HBMB 918 2271 879 929 HEMB 813 2017 234 832 KETB 1333 3659 376 1120 KOLB 932 2257 793 996 KRBB 1464 3747 846 1584 KRWB 583 1591 676 767 LICB 625 1556 540 871 MANB 742 1910 473 953 MEUB 1766 3675 508 1643 MIAB 882 2325 472 1063 MSPB 1083 2694 706 1093 NOXB 827 2048 341 874 PAUB 643 1519 607 785 PDMB 1007 2794 423 1068 REUB 806 2017 505 781 REZB 2159 3635 590 1580 RIMB 395 1841 298 880 RIRB 1690 3959 809 1624 ROVB 2671 3992 923 2881 SALB 842 2095 548 718 SANB 927 2358 251 1114 SPJB 5128 2756 1650 3284 STJB 11 0 0 10 SYPB 2866 3696 1096 3061 THUB 4716 3165 1486 3496 TLSB 925 2754 906 1110 YASB 1019 2453 568 1128 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 14.8 11.7 12.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = 6.4 +- 2.9 mm TY = -13.8 +- 2.7 mm TZ = -14.8 +- 3.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 3.0 +- 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) ------------------------------------------------------------------ 7 0.51 0.28 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr