****************************************************************************** dorisreport 01-May-2013 01:23:30 Message No 3321 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1732 = 13076 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1732 from 17-03-2013 to 23-03-2013 DORIS name (using day of start): 13076 Days of year: from 2013/76 to 2013/82 ============================================================== 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/ign13076wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign13076wd10.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 1732 from 17-03-2013 to 23-03-2013 Total number of stations = 48 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.34 the following satellites were used in the combination 2013 76 cryosat2 jason2 spot4 spot5 2013 77 cryosat2 jason2 spot4 spot5 2013 78 cryosat2 jason2 spot4 spot5 2013 79 cryosat2 jason2 spot4 spot5 2013 80 cryosat2 jason2 spot4 spot5 2013 81 cryosat2 jason2 spot4 spot5 2013 82 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 -------------------------------------------------------- 17-03-2013 38282 46 38236 0.1 18-03-2013 37046 40 37006 0.1 19-03-2013 36823 62 36761 0.2 20-03-2013 38635 56 38579 0.1 21-03-2013 38278 43 38235 0.1 22-03-2013 37265 33 37232 0.1 23-03-2013 35629 47 35582 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 9109 8804 8650 8834 9035 8716 8391 JASON2 17222 16764 16616 17430 16776 17012 16418 SPOT4 3786 3652 3745 4036 4317 3693 3336 SPOT5 8119 7786 7750 8279 8107 7811 7437 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.449 0.445 0.451 0.450 0.432 0.442 0.424 JASON2 0.386 0.394 0.407 0.383 0.383 0.387 0.388 SPOT4 0.428 0.399 0.401 0.411 0.412 0.393 0.413 SPOT5 0.411 0.396 0.418 0.394 0.388 0.390 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 1634 1704 1770 1737 1740 1702 1669 AMVB 712 780 775 740 714 806 707 ARFB 518 622 621 643 573 535 595 ASEB 397 444 444 408 394 402 430 BADB 1022 972 786 990 1076 1114 941 BEMB 1814 1887 1929 1914 1787 1783 1833 CADB 476 526 606 642 610 540 608 CHAB 1033 1004 1008 1083 1063 1012 1008 CIDB 530 582 544 540 505 450 563 COBB 1242 1213 1342 1225 1262 1132 1251 CRQB 858 864 844 842 859 861 800 DIOB 848 692 741 758 805 794 730 DJIB 472 611 631 526 575 446 501 EASB 554 651 594 598 612 567 620 EVEB o 524 478 385 363 148 0 0 FUUB 484 545 539 442 490 505 536 GR3B 538 622 542 591 490 631 553 GRFB 817 827 890 803 853 738 891 HBMB 652 370 347 705 603 715 600 HEMB 559 559 525 518 585 630 574 KETB 994 923 935 963 900 913 815 KOLB 627 692 709 770 796 627 646 KRBB 1163 1181 1102 1000 1136 1046 1036 KRWB 501 434 479 505 463 322 0 LICB 438 494 441 587 387 493 443 MAIB 549 314 478 542 410 415 497 MANB o 545 494 589 717 545 464 557 MEUB 1011 1133 1130 1099 1089 1168 1023 MIAB 682 581 695 754 638 534 663 MOSB 392 494 437 444 401 435 500 MSPB 728 703 810 788 736 765 679 NOXB 505 446 546 526 547 531 547 PAUB 566 421 579 493 606 590 569 PDMB o 773 769 806 718 795 767 815 REUB 546 710 609 645 552 574 583 REZB 1359 1160 1108 1152 943 1299 1181 RIMB 624 527 461 506 595 606 520 RIRB 1076 1158 1186 1183 1065 1114 1048 ROVB 1487 785 0 1021 1443 1023 0 SALB 634 471 474 396 591 539 535 SANB o 576 723 634 705 691 650 603 SPJB 1985 1811 1850 1761 1835 1845 1861 STJB o 13 13 0 202 76 32 0 SYPB 1502 1467 1500 1676 1688 1592 1592 THUB 1700 1747 1755 1741 1777 1703 1709 TLSB 702 813 889 876 859 920 882 TRJB 730 621 733 668 806 752 727 YASB 789 590 628 755 855 789 719 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 3847 2508 3009 AMVB 981 2652 569 1032 ARFB 912 2107 261 827 ASEB 587 1536 135 661 BADB 1429 3688 533 1251 BEMB 5170 3026 876 3875 CADB 741 1925 466 876 CHAB 1297 3623 979 1312 CIDB 600 1800 430 884 COBB 1574 4092 1291 1710 CRQB 1230 3548 309 841 DIOB 1056 2762 768 782 DJIB 664 1878 425 795 EASB 712 1976 623 885 EVEB 349 863 289 397 FUUB 608 1564 447 922 GR3B 1159 2808 0 0 GRFB 1153 2963 523 1180 HBMB 811 1927 416 838 HEMB 841 2010 258 841 KETB 1348 3699 274 1122 KOLB 955 2241 693 978 KRBB 1517 3785 740 1622 KRWB 498 1230 362 614 LICB 572 1592 405 714 MAIB 669 1665 159 712 MANB 730 1899 400 882 MEUB 1784 3841 305 1723 MIAB 941 2221 436 949 MOSB 605 1387 341 770 MSPB 1101 2701 304 1103 NOXB 727 1795 309 817 PAUB 697 1790 398 939 PDMB 1083 2877 450 1033 REUB 880 2137 359 843 REZB 2127 3620 783 1672 RIMB 617 1851 419 952 RIRB 1611 3972 701 1546 ROVB 1425 1923 663 1748 SALB 611 1860 413 756 SANB 898 2337 334 1013 SPJB 5199 2811 1693 3245 STJB 149 15 40 132 SYPB 2766 3548 1676 3027 THUB 4734 2974 851 3573 TLSB 1052 3187 463 1239 TRJB 997 2374 716 950 YASB 1018 2499 587 1021 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 13.2 10.2 15.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -4.4 +- 2.1 mm TY = -9.2 +- 1.8 mm TZ = 15.9 +- 1.6 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 2.0 +- 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 0.40 0.45 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr