****************************************************************************** dorisreport 15-Jun-2011 11:59:22 Message No 2540 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1634 = 11121 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1634 from 01-05-2011 to 07-05-2011 DORIS name (using day of start): 11121 Days of year: from 2011/121 to 2011/127 ============================================================== 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/ign11121wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11121wd09.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 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) 4) Global Statistics ==================== GPS week number 1634 from 01-05-2011 to 07-05-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 3.07 the following satellites were used in the combination 2011 121 cryosat2 envisat jason2 spot4 spot5 2011 122 cryosat2 envisat jason2 spot4 spot5 2011 123 cryosat2 envisat jason2 spot4 spot5 2011 124 cryosat2 envisat jason2 spot4 spot5 2011 125 cryosat2 envisat jason2 spot4 spot5 2011 126 cryosat2 envisat jason2 spot4 spot5 2011 127 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 -------------------------------------------------------- 01-05-2011 45525 88 45437 0.2 02-05-2011 45835 97 45738 0.2 03-05-2011 45304 57 45247 0.1 04-05-2011 45895 68 45827 0.1 05-05-2011 45440 71 45369 0.2 06-05-2011 45448 7754 37694 17.1 07-05-2011 45555 67 45488 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 8073 8381 7996 8492 7954 8311 8019 ENVISAT 7922 8042 7784 7701 7853 0 7833 JASON2 16230 16112 16530 16733 16651 16442 16522 SPOT4 4988 4860 4652 4763 4894 4916 4781 SPOT5 8224 8343 8285 8138 8017 8025 8333 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.463 0.467 0.462 0.453 0.456 0.460 0.444 ENVISAT 0.455 0.452 0.451 0.450 0.464 0.000 0.457 JASON2 0.386 0.394 0.394 0.390 0.400 0.415 0.387 SPOT4 0.445 0.461 0.444 0.456 0.453 0.444 0.440 SPOT5 0.409 0.412 0.410 0.401 0.418 0.416 0.425 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 12 40 70 50 0 0 0 AMVB 372 396 404 440 401 439 399 ARFB 371 241 330 309 415 398 319 ASEB 251 330 304 293 281 311 259 BADB 494 480 540 462 503 451 477 BEMB 1369 1199 1422 1418 1545 1403 1411 BETB 321 430 380 384 347 322 384 CADB 318 237 0 0 0 0 0 CHAB 584 578 594 586 613 587 560 CIDB 336 481 375 330 370 350 451 COBB 786 835 740 795 769 751 854 CRQB 240 324 284 366 295 257 282 DIOB 280 285 295 283 302 312 242 DJIB 315 321 374 370 332 363 352 EVEB 232 227 239 175 205 221 217 GAVB 205 256 263 200 255 229 230 GR3B 0 0 0 0 0 0 0 GREB 426 476 427 451 487 452 482 HBMB 522 466 381 430 459 482 438 JIUB 378 356 213 399 450 433 421 KETB 456 410 453 407 388 398 400 KIUB 439 416 420 388 403 435 450 KOLB 425 520 440 395 466 426 515 KRBB 666 624 509 616 555 654 617 LICB 276 324 195 327 298 245 366 MAHB 304 300 204 276 330 305 319 MALB 358 361 347 383 370 352 336 MATB o 350 327 365 315 320 391 305 METB 540 577 493 482 489 493 493 MIAB 393 378 454 360 388 384 364 MSPB 500 411 437 482 502 535 417 PAUB 438 429 414 437 375 424 437 PDMB 399 319 410 388 329 431 320 REUB 265 338 305 295 280 232 348 REZB 597 481 586 548 481 597 610 RIQB 504 497 619 486 653 564 594 ROVB 1080 1277 966 1076 947 1029 1028 SALB 474 294 456 400 334 483 316 SANB o 340 475 427 454 329 353 385 SPJB 1317 1304 1237 1286 1264 1208 1292 STJB 593 454 547 546 496 593 527 SYPB 1130 1184 1112 1062 1154 1062 1072 THUB 1210 1244 1223 1318 1305 1296 1368 TLSB 599 581 587 302 601 578 525 YASB 416 432 437 450 465 0 402 YEMB 509 504 506 460 472 485 493 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 182 0 73 0 185 AMVB 1721 1269 3814 604 1130 ARFB 1441 1061 3051 471 985 ASEB 1129 931 2319 419 853 BADB 2095 1660 4510 617 1370 BEMB 6597 4435 4291 1796 3997 BETB 1311 1084 2736 848 908 CADB 313 212 700 174 205 CHAB 2238 1679 5246 1213 1390 CIDB 1276 1161 2648 721 994 COBB 2781 2240 5556 1643 1854 CRQB 2002 839 4194 480 943 DIOB 1380 883 3516 445 817 DJIB 1428 1053 2774 686 923 EVEB 583 476 1536 472 716 GAVB 1007 936 3842 1 825 GR3B 1510 7 3663 0 7 GREB 1768 1456 4243 679 1226 HBMB 1573 1223 3116 1054 1068 JIUB 1390 1246 3003 744 1090 KETB 2250 1332 4859 596 1135 KIUB 1379 1270 3410 881 1175 KOLB 1652 1253 3553 1085 1045 KRBB 1970 1972 4079 896 1666 LICB 1192 912 2633 587 831 MAHB 1154 971 2101 462 922 MALB 1290 1034 2415 744 939 MATB 2019 1170 4497 280 1106 METB 2645 1806 4624 273 1773 MIAB 1715 1234 3417 744 1011 MSPB 1914 1393 4341 875 1160 PAUB 1330 1197 2941 998 1024 PDMB 1606 1268 3909 429 1111 REUB 1404 919 2699 368 945 REZB 3304 1954 4109 500 1803 RIQB 2900 1890 5241 584 1626 ROVB 4695 3347 5171 1368 2990 SALB 1420 1211 2877 658 1029 SANB 1684 1290 3838 536 1120 SPJB 6339 3997 4067 1847 3345 STJB 2010 1575 4375 906 1463 SYPB 4583 3695 4503 1184 3176 THUB 6271 3934 4545 1672 3692 TLSB 1530 1460 3592 1238 1207 YASB 1378 1046 2797 721 928 YEMB 3534 5 5153 1104 2425 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 10.5 15.0 14.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -10.9 +- 1.6 mm TY = 4.4 +- 1.6 mm TZ = 30.4 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.9 +- 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 0.37 0.57 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr