****************************************************************************** dorisreport 02-Feb-2013 06:32:49 Message No 3230 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1720 = 12358 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1720 from 23-12-2012 to 29-12-2012 DORIS name (using day of start): 12358 Days of year: from 2012/358 to 2012/364 ============================================================== 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/ign12358wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign12358wd10.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 1720 from 23-12-2012 to 29-12-2012 Total number of stations = 45 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.63 the following satellites were used in the combination 2012 358 cryosat2 jason2 spot4 spot5 2012 359 cryosat2 jason2 spot4 spot5 2012 360 cryosat2 jason2 spot4 spot5 2012 361 cryosat2 jason2 spot4 spot5 2012 362 cryosat2 jason2 spot4 spot5 2012 363 cryosat2 jason2 spot4 spot5 2012 364 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 -------------------------------------------------------- 23-12-2012 37084 66 37018 0.2 24-12-2012 37533 54 37479 0.1 25-12-2012 36650 69 36581 0.2 26-12-2012 37042 132 36910 0.4 27-12-2012 37749 60 37689 0.2 28-12-2012 38219 66 38153 0.2 29-12-2012 36331 57 36274 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 ----------------------------------------------------------------- CRYOSAT2 8789 9088 8700 9021 8723 8903 8373 JASON2 16467 16569 16201 16348 16445 16573 15716 SPOT4 3851 3879 3922 3478 4343 4782 4715 SPOT5 7911 7943 7758 8063 8178 7895 7470 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.435 0.428 0.426 0.441 0.438 0.437 0.446 JASON2 0.394 0.405 0.401 0.410 0.405 0.401 0.409 SPOT4 0.408 0.404 0.412 0.417 0.436 0.437 0.429 SPOT5 0.391 0.406 0.407 0.421 0.411 0.409 0.407 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 1607 1641 1718 1849 1438 1387 1316 AMVB 810 802 772 784 776 797 700 ARFB 618 600 638 567 623 684 665 ASEB 460 386 410 389 410 516 449 BADB 971 1035 90 960 1071 1021 976 BEMB 1822 1830 1896 1763 2044 2123 1983 CADB 435 531 526 449 411 521 582 CHAB 1024 1009 990 910 1033 1070 1049 CIDB 537 515 528 454 513 532 578 COBB 1235 1184 1295 1287 1276 1276 1351 CRQB 891 876 778 953 890 883 842 DIOB 700 719 727 831 605 674 311 DJIB 587 667 601 612 659 610 591 EASB 672 609 632 577 696 612 740 EVEB o 401 426 480 463 401 453 467 FUUB 499 418 562 531 502 459 549 GRFB 821 866 842 786 768 886 764 HBMB 704 744 580 556 756 769 777 HEMB 598 660 543 488 571 575 558 KETB 816 963 875 978 1032 1014 979 KIUB 811 805 814 724 776 889 824 KOLB 623 766 748 727 734 637 810 KRBB 1016 984 1241 1067 1082 875 1195 KRWB 361 475 415 393 448 486 427 LICB 671 541 543 473 556 532 575 MANB o 538 631 619 534 457 565 570 MEUB 1134 1028 1058 1069 1116 1036 1128 MIAB 618 657 675 735 702 643 671 MSPB 807 684 755 741 847 808 791 NOXB 527 480 548 661 585 650 443 PAUB 550 549 557 543 608 631 637 PDMB o 728 812 732 780 752 825 772 REUB 598 571 656 595 633 580 615 REZB 1255 1292 1235 1120 1143 1139 1230 RIMB 584 575 535 515 518 523 454 RIRB 1138 1111 1165 1110 1121 1165 1081 ROVB 1441 1543 1295 1567 1482 1433 25 SALB 646 667 589 475 562 631 616 SANB o 679 629 673 732 739 560 674 SPJB 1833 1774 1937 1829 1912 1888 1847 STJB o 13 0 14 0 21 22 35 SYPB 1528 1647 1493 1660 1573 1546 1515 THUB 1846 1739 1777 1752 1691 1918 1945 TLSB 861 980 918 815 961 1039 1003 YASB 653 754 739 757 710 784 730 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 2605 3874 1459 3018 AMVB 1080 2715 596 1050 ARFB 944 2036 562 853 ASEB 586 1489 262 683 BADB 1286 3167 554 1117 BEMB 5240 3010 1336 3875 CADB 779 1616 462 598 CHAB 1185 3550 1044 1306 CIDB 610 1665 503 879 COBB 1629 4203 1388 1684 CRQB 1239 3605 326 943 DIOB 933 2401 514 719 DJIB 811 1990 657 869 EASB 868 2043 645 982 EVEB 613 1466 372 640 FUUB 621 1551 409 939 GRFB 1083 2946 519 1185 HBMB 926 2203 846 911 HEMB 910 2087 100 896 KETB 1348 3682 482 1145 KIUB 1167 2790 618 1068 KOLB 850 2258 973 964 KRBB 1471 3626 785 1578 KRWB 630 1328 500 547 LICB 676 1745 611 859 MANB 729 1808 450 927 MEUB 1878 3753 318 1620 MIAB 890 2263 581 967 MSPB 1137 2682 497 1117 NOXB 768 1933 329 864 PAUB 645 1800 695 935 PDMB 1035 2897 391 1078 REUB 942 2137 359 810 REZB 2142 3897 682 1693 RIMB 657 1703 382 962 RIRB 1672 3933 730 1556 ROVB 2302 3260 731 2493 SALB 888 1951 480 867 SANB 948 2418 334 986 SPJB 5181 2748 1857 3234 STJB 73 0 0 32 SYPB 2840 3571 1542 3009 THUB 4778 3239 1085 3566 TLSB 1200 3222 888 1267 YASB 964 2402 687 1074 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 13.5 14.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -3.1 +- 2.5 mm TY = -19.1 +- 2.1 mm TZ = 15.7 +- 2.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 2.4 +- 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 0.54 0.20 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr