****************************************************************************** dorisreport 21-Apr-2011 01:17:48 Message No 2475 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1627 = 11072 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1627 from 13-03-2011 to 19-03-2011 DORIS name (using day of start): 11072 Days of year: from 2011/72 to 2011/78 ============================================================== 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/ign11072wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11072wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.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 ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd09.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.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 4) Global Statistics ==================== GPS week number 1627 from 13-03-2011 to 19-03-2011 Total number of stations = 47 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 3.00 the following satellites were used in the combination 2011 72 cryosat2 envisat jason2 spot4 spot5 2011 73 cryosat2 envisat jason2 spot4 spot5 2011 74 cryosat2 envisat jason2 spot4 spot5 2011 75 cryosat2 envisat jason2 spot4 spot5 2011 76 cryosat2 envisat jason2 spot4 spot5 2011 77 cryosat2 envisat jason2 spot4 spot5 2011 78 cryosat2 envisat 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 -------------------------------------------------------- 13-03-2011 44570 749 43821 1.7 14-03-2011 44622 983 43639 2.2 15-03-2011 44547 8450 36097 19.0 16-03-2011 44527 945 43582 2.1 17-03-2011 44239 808 43431 1.8 18-03-2011 45845 773 45072 1.7 19-03-2011 44931 1000 43931 2.2 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 7958 7741 7245 7816 7914 7997 7835 ENVISAT 7727 7935 0 7598 7125 7984 7624 JASON2 15535 15373 16033 15327 15575 16107 15824 SPOT4 4719 4829 5046 4879 4835 4861 4882 SPOT5 7882 7761 7773 7962 7982 8123 7766 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.479 0.470 0.467 0.463 0.493 0.472 0.470 ENVISAT 0.452 0.4524000000.000 0.460 0.442 0.448 0.448 JASON2 0.414 0.423 0.415 0.415 0.431 0.409 0.411 SPOT4 0.459 0.445 0.429 0.418 0.452 0.442 0.443 SPOT5 0.402 0.400 0.416 0.429 0.408 0.403 0.401 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 --------------------------------------------------------------- ADFB 0 13 19 26 17 16 0 AMVB 438 380 370 404 412 396 391 ARFB 329 357 284 289 231 317 400 ASEB 218 237 198 174 288 195 165 BADB 515 557 495 432 236 519 494 BEMB 1412 1472 1452 1418 1390 1395 1473 BETB 314 400 357 407 390 338 406 CADB 378 339 295 368 452 426 329 CHAB 560 552 568 583 589 569 603 CIDB 286 366 331 375 353 243 292 COBB 765 785 752 828 801 702 837 CRQB 350 333 287 300 284 293 330 DIOB 286 300 322 250 284 295 299 DJIB 328 392 326 293 333 384 266 EVEB o 173 200 213 173 236 211 164 GAVB 238 243 233 198 265 238 247 GREB 444 449 466 443 471 438 492 HBMB 420 482 445 485 434 431 440 HEMB 364 216 381 317 230 336 272 JIUB 330 326 383 445 401 305 437 KETB 421 367 433 441 411 496 396 KIUB 379 415 428 475 424 362 463 KOLB 397 465 448 483 482 392 442 KRBB 652 596 597 665 499 652 563 LICB 285 252 177 273 298 240 252 MAHB 272 268 264 223 216 206 257 MALB 288 366 306 303 297 356 248 MATB o 0 0 0 0 187 344 316 METB 541 526 519 530 587 566 494 MIAB 405 408 420 368 449 443 357 MSPB 513 519 512 404 435 524 485 NOWB 408 405 355 270 439 450 0 PAUB 423 408 422 422 409 415 447 PDMB o 432 334 418 321 349 476 335 REUB o 252 310 229 299 321 285 296 REZB 563 556 602 592 525 643 518 RILB 356 298 332 341 350 334 318 RIQB 487 595 578 608 592 540 639 SALB 339 282 243 325 282 342 305 SANB o 420 334 360 340 477 369 321 SPJB 1342 1215 1259 1238 1202 1324 1308 STJB o 539 500 579 538 481 563 508 SYPB 1050 1105 1069 1094 1188 1077 1083 THUB 1237 1246 1229 1384 1311 1226 1297 TLSB 604 601 582 589 585 602 599 YASB 425 441 478 405 417 448 425 YEMB 435 487 488 499 492 476 469 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 ENVISAT JASON2 SPOT4 SPOT5 --------------------------------------------- ADFB 137 0 5 0 148 AMVB 1741 1204 3780 638 1099 ARFB 1260 1022 2632 588 827 ASEB 1134 709 2102 322 702 BADB 1879 1594 4274 567 1295 BEMB 6456 4402 4221 2027 4064 BETB 1343 1094 2814 816 922 CADB 1436 1004 2903 797 929 CHAB 2231 1690 5091 1167 1381 CIDB 1188 1098 2587 551 836 COBB 2768 2224 5599 1676 1762 CRQB 1939 896 4310 464 954 DIOB 1269 869 3400 405 893 DJIB 1475 932 2658 794 825 EVEB 624 461 1519 399 656 GAVB 851 909 3523 0 867 GREB 1773 1450 4199 654 1233 HBMB 1517 1333 3098 1118 929 HEMB 1443 1036 2651 445 880 JIUB 1353 1268 3121 646 1035 KETB 2202 1401 4744 529 1195 KIUB 1427 1313 3534 799 1101 KOLB 1716 1255 3602 1004 1031 KRBB 1911 1906 3972 991 1632 LICB 1131 894 2389 576 741 MAHB 1054 901 2238 365 833 MALB 1325 971 2298 739 866 MATB 1980 1062 4316 222 979 METB 2507 1848 4388 388 1784 MIAB 1682 1200 3533 731 1077 MSPB 1875 1399 4311 917 1231 NOWB 1337 1043 3062 451 937 PAUB 1429 1207 2865 1028 991 PDMB 1597 1265 3815 435 1120 REUB 1316 925 2879 370 863 REZB 3246 2036 3845 568 1732 RILB 1123 1147 2393 413 996 RIQB 2760 1895 4929 625 1674 SALB 1345 984 2630 760 883 SANB 1498 1274 3733 438 1068 SPJB 6234 4055 3716 1807 3339 STJB 1789 1556 4082 897 1409 SYPB 4469 3656 4377 1103 3190 THUB 6159 4001 4404 1664 3644 TLSB 1661 1646 3660 1315 1349 YASB 1533 1249 3375 842 1168 YEMB 3406 6 5157 1121 2338 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 SPOT4 SPOT5 --------------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign09d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 13.1 13.7 13.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 3.5 +- 1.8 mm TY = -5.1 +- 2.0 mm TZ = 16.3 +- 1.9 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 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 0.24 0.59 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr