****************************************************************************** dorisreport 14-Jun-2010 20:07:54 Message No 2059 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Updated Report for week 1582 = 10122 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1582 from 02-05-2010 to 08-05-2010 DORIS name (using day of start): 10122 Days of year: from 2010/122 to 2010/128 ============================================================== 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/ign10122wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10122wd09.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 4) Global Statistics ==================== GPS week number 1582 from 02-05-2010 to 08-05-2010 Total number of stations = 47 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.50 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 02-05-2010 24277 24 24253 0.1 03-05-2010 23872 25 23847 0.1 04-05-2010 23669 26 23643 0.1 05-05-2010 23828 76 23752 0.3 06-05-2010 24043 10 24033 0.0 07-05-2010 24053 7 24046 0.0 08-05-2010 23995 4 23991 0.0 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 --------------------------------------------------------------- ENVISAT 9313 9141 9261 9137 9384 9153 9253 SPOT4 5765 5579 5118 5294 5548 5733 5599 SPOT5 9175 9127 9264 9321 9101 9160 9139 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.462 0.491 0.455 0.446 0.450 0.450 0.452 SPOT4 0.434 0.425 0.434 0.443 0.435 0.449 0.442 SPOT5 0.432 0.448 0.430 0.416 0.410 0.411 0.421 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 1340 1366 1426 1422 1359 1373 1453 AMVB 381 442 379 440 426 382 419 ARFB 252 223 195 140 211 200 134 BADB 464 529 502 512 541 498 477 BEMB 1402 1339 1425 1433 1450 1389 1384 BETB 409 376 421 299 374 422 409 CADB 412 384 437 435 337 354 481 CHAB 583 575 604 581 562 580 585 CRQB 374 316 376 410 421 366 332 DIOB 272 296 288 347 290 304 310 DJIB 332 384 398 401 400 390 365 EASB 375 378 324 375 418 393 321 EVEB o 241 195 232 209 185 217 225 FAIB o 874 907 809 856 954 856 917 GAVB 223 219 226 254 227 204 227 GREB 459 427 465 431 442 466 455 HBMB 466 472 442 410 483 514 443 HEMB 439 375 318 338 446 355 311 JIUB 356 341 342 281 299 357 301 KETB 467 488 489 430 413 421 481 KIUB 385 426 433 334 401 440 394 KOLB 472 459 494 444 399 485 536 KRBB 662 570 540 593 625 628 554 KRUB 412 358 372 436 374 364 368 LICB 316 315 232 222 361 329 408 MAHB 358 306 331 252 245 321 293 MANB o 310 384 313 393 363 413 401 METB 546 551 529 523 529 520 520 MIAB 430 386 422 470 379 378 415 MSPB 517 381 395 496 495 554 407 NOWB 367 369 439 455 359 304 427 PAUB 397 464 413 381 393 467 392 PDMB o 413 365 327 401 418 343 349 REUB o 234 380 361 267 298 282 365 REZB 618 551 498 572 618 554 576 RILB 273 348 269 279 302 338 302 RIQB 527 619 596 502 502 538 593 ROUB 1120 987 979 1091 1067 1105 1079 SALB 447 409 348 461 435 403 338 SANB o 379 346 467 500 366 404 409 SPJB 1228 1291 1156 1271 1218 1192 1311 STJB o 548 547 504 514 562 517 518 SYPB 1144 1184 1139 1136 1140 1178 1220 THUB 1174 1101 1179 1050 1208 1170 1100 TLSB 573 590 607 587 619 592 581 YASB 499 437 407 520 481 432 458 YEMB 783 812 803 675 787 750 665 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) ----------------------------------------------------------------- ENVISAT SPOT4 SPOT5 ----------------------------- ADFB 3793 3054 3177 AMVB 1303 582 1127 ARFB 1056 422 943 BADB 1733 621 1441 BEMB 4436 1838 3999 BETB 1215 835 961 CADB 1213 799 987 CHAB 1731 1110 1362 CRQB 1160 497 1104 DIOB 854 529 867 DJIB 1116 769 986 EASB 1164 828 1052 EVEB 479 478 696 FAIB 2897 1138 2622 GAVB 938 0 765 GREB 1463 677 1224 HBMB 1235 1051 1127 HEMB 1222 547 999 JIUB 1037 579 1025 KETB 1449 671 1261 KIUB 1245 854 1117 KOLB 1322 1095 1044 KRBB 1892 907 1618 KRUB 1229 784 923 LICB 991 558 788 MAHB 1129 552 994 MANB 1224 633 999 METB 1873 301 1796 MIAB 1314 774 1014 MSPB 1366 827 1174 NOWB 1276 660 975 PAUB 1231 1026 1010 PDMB 1236 402 1151 REUB 1044 381 1015 REZB 1992 622 1708 RILB 1157 295 866 RIQB 1915 497 1640 ROUB 3342 1366 2987 SALB 1216 810 1027 SANB 1315 602 1114 SPJB 3785 1878 3332 STJB 1564 865 1426 SYPB 3931 1222 3281 THUB 3368 1452 3513 TLSB 1663 1303 1304 YASB 1390 917 1080 YEMB 2545 994 2126 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT 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 14.7 13.9 15.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -3.7 +- 2.2 mm TY = -0.4 +- 1.9 mm TZ = 70.7 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.3 +- 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 0.55 0.81 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr