****************************************************************************** dorisreport 02-Jun-2010 04:08:09 Message No 2037 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1580 = 10108 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1580 from 18-04-2010 to 24-04-2010 DORIS name (using day of start): 10108 Days of year: from 2010/108 to 2010/114 ============================================================== 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/ign10108wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10108wd09.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 1580 from 18-04-2010 to 24-04-2010 Total number of stations = 47 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 2.07 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 18-04-2010 23588 120 23468 0.5 19-04-2010 22346 6 22340 0.0 20-04-2010 23642 9 23633 0.0 21-04-2010 14626 4 14622 0.0 22-04-2010 15175 1 15174 0.0 23-04-2010 14774 2 14772 0.0 24-04-2010 14304 4 14300 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 9093 9313 9147 9020 9451 9401 9154 SPOT4 5226 5270 5357 5602 5723 5371 5146 SPOT5 9149 7757 9129 0 0 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.472 0.443 0.437 0.446 0.437 0.438 0.434 SPOT4 0.418 0.424 0.434 0.438 0.422 0.418 0.426 SPOT5 0.431 0.417 0.399 0.000 0.000 0.000 0.000 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 1403 1353 1398 1373 1445 1377 1376 AMVB 458 404 428 459 378 459 384 ARFB 226 305 229 362 308 249 234 BADB 483 546 521 509 461 543 508 BEMB 1409 1241 1455 1403 1428 1391 1419 BETB 388 358 342 403 424 367 408 CADB 422 450 338 358 455 406 414 CHAB 586 524 569 584 593 579 599 CRQB 403 399 425 403 387 348 385 DIOB 247 262 296 279 309 314 289 DJIB 385 354 381 371 384 379 375 EASB 0 0 0 186 345 360 381 EVEB o 227 221 208 215 242 233 205 FAIB o 871 817 842 900 826 891 870 GAVB 239 175 253 198 206 212 225 GREB 495 425 475 465 472 482 473 HBMB 464 360 460 516 462 427 448 HEMB 328 272 426 448 383 400 275 JIUB 358 262 259 401 387 388 404 KETB 408 498 444 350 435 448 520 KIUB 414 403 402 425 406 415 424 KOLB 492 428 358 483 521 411 465 KRBB 575 506 646 634 590 517 558 KRUB 395 439 373 329 398 391 225 LICB 367 230 339 275 303 305 238 MAHB 353 249 275 338 366 302 262 MANB o 339 382 371 317 342 336 304 METB 574 395 516 506 510 490 538 MIAB 388 480 413 326 434 391 391 MSPB 408 418 515 490 505 435 415 NOWB 295 421 363 316 372 311 453 PAUB 465 333 373 426 439 395 381 PDMB o 327 379 440 303 389 416 374 REUB o 391 312 254 288 308 358 331 REZB 443 533 631 502 637 569 521 RILB 354 328 348 320 288 360 297 RIQB 593 577 513 566 558 617 658 ROUB 1035 889 1086 1042 1068 991 958 SALB 354 373 453 399 344 476 412 SANB o 468 380 373 349 400 375 357 SPJB 1173 1148 1298 1210 1242 1237 1212 STJB o 466 538 545 530 543 566 511 SYPB 1211 1186 1134 1123 1236 1185 1166 THUB 1168 1066 1163 1198 1187 1242 1203 TLSB 588 483 563 584 588 589 581 YASB 345 434 476 406 472 439 436 YEMB 769 786 785 743 712 785 814 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 3795 3073 3147 AMVB 1337 697 1098 ARFB 1086 574 937 BADB 1755 559 1501 BEMB 4393 1969 3823 BETB 1196 791 917 CADB 1154 769 1057 CHAB 1702 1161 1301 CRQB 1328 428 1178 DIOB 881 448 782 DJIB 1125 775 917 EASB 468 508 479 EVEB 465 489 710 FAIB 2852 1123 2497 GAVB 893 0 738 GREB 1473 739 1212 HBMB 1273 1029 996 HEMB 1217 591 905 JIUB 1155 699 937 KETB 1432 577 1272 KIUB 1256 921 1107 KOLB 1321 946 1058 KRBB 1860 771 1603 KRUB 1157 798 987 LICB 1022 555 840 MAHB 1129 556 919 MANB 1226 338 1016 METB 1865 234 1686 MIAB 1291 669 1109 MSPB 1432 795 1139 NOWB 1138 582 960 PAUB 1257 902 983 PDMB 1258 483 1061 REUB 1089 403 1008 REZB 2014 501 1737 RILB 1139 413 953 RIQB 1927 698 1658 ROUB 3397 1096 2855 SALB 1201 861 898 SANB 1328 376 1176 SPJB 3775 1786 3233 STJB 1532 954 1348 SYPB 3963 1343 3208 THUB 3372 1709 3446 TLSB 1624 1272 1234 YASB 1363 660 1134 YEMB 2525 955 2251 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 12.5 13.1 14.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -3.0 +- 2.0 mm TY = 9.6 +- 1.8 mm TZ = 7.1 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.9 +- 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 0.48 0.89 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr