****************************************************************************** dorisreport 21-Sep-2010 19:59:26 Message No 2195 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1597 = 10227 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1597 from 15-08-2010 to 21-08-2010 DORIS name (using day of start): 10227 Days of year: from 2010/227 to 2010/233 ============================================================== 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/ign10227wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10227wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign08wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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/ign08wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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 4) Global Statistics ==================== GPS week number 1597 from 15-08-2010 to 21-08-2010 Total number of stations = 46 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 4.38 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 15-08-2010 21227 10 21217 0.0 16-08-2010 21160 4 21156 0.0 17-08-2010 21647 114 21533 0.5 18-08-2010 21590 29 21561 0.1 19-08-2010 21993 97 21896 0.4 20-08-2010 21086 7 21079 0.0 21-08-2010 18854 0 18854 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 7902 7801 7890 8029 7989 7709 7971 SPOT4 5050 4862 5105 5103 5454 5225 4953 SPOT5 8265 8493 8538 8429 8453 8145 5930 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.452 0.449 0.467 0.466 0.460 0.466 0.458 SPOT4 0.427 0.421 0.445 0.428 0.431 0.425 0.434 SPOT5 0.411 0.412 0.431 0.421 0.424 0.424 0.412 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 908 872 932 849 843 902 764 ARFB 236 151 190 159 227 173 182 ASEB 333 323 325 282 273 283 301 BADB 522 490 519 503 482 470 411 BEMB 1372 1398 1382 1560 1410 1426 1294 BETB 294 278 417 371 404 367 331 CADB 451 404 409 411 323 432 394 CHAB 585 610 600 625 592 585 560 CRQB 217 314 331 265 297 316 250 DIOB 323 308 340 326 326 313 314 DJIB 0 0 0 0 370 400 363 EASB 354 423 367 384 436 349 352 EVEB o 217 216 205 201 209 217 241 GREB 442 459 461 357 427 488 413 HBMB 398 434 483 445 482 464 409 HEMB 320 333 226 318 474 271 221 JIUB 302 381 330 402 403 398 309 KETB 473 503 368 334 371 378 421 KIUB 0 73 102 370 424 438 368 KOLB 490 405 457 462 420 510 490 KRBB 519 561 593 531 662 599 452 KRUB 409 392 397 418 385 361 380 LICB 372 273 325 295 296 389 316 MAHB 309 319 341 294 337 356 327 MALB 346 359 333 349 361 350 370 MANB o 399 259 372 359 423 335 269 MATB o 400 337 338 333 373 341 345 METB 512 528 529 483 523 499 546 MIAB 446 401 427 410 394 350 404 MSPB 372 359 509 449 531 476 308 NOWB 388 441 435 403 318 308 343 PAUB 390 405 441 437 411 358 412 PDMB o 342 350 369 368 420 277 265 REUB o 346 304 292 267 211 342 335 REZB 562 555 517 532 629 579 374 RILB 315 330 315 327 329 305 296 RIQB 650 560 517 639 553 626 454 ROUB 1029 915 1084 963 1036 1007 846 SALB 267 352 355 401 475 304 294 SANB o 412 427 472 350 307 386 399 SPJB 1285 1186 1252 1247 1223 1238 1056 STJB o 516 549 511 528 573 532 413 SYPB 1097 1097 1051 1129 600 0 0 THUB 1108 1253 1237 1305 1294 1273 1221 TLSB 551 602 569 585 594 599 467 YASB 540 481 464 507 474 497 467 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 0 3115 3068 ARFB 1103 395 900 ASEB 1005 484 794 BADB 1711 587 1284 BEMB 4599 1993 3856 BETB 1146 813 839 CADB 1198 803 941 CHAB 1756 1188 1340 CRQB 844 412 907 DIOB 875 508 1077 DJIB 872 601 805 EASB 1182 924 1006 EVEB 475 468 698 GREB 1484 757 1157 HBMB 1294 1007 988 HEMB 1069 417 841 JIUB 1214 810 991 KETB 1347 613 1151 KIUB 808 579 698 KOLB 1301 1013 1112 KRBB 1884 673 1617 KRUB 1248 783 906 LICB 1007 641 795 MAHB 1042 481 965 MALB 1018 726 916 MANB 1222 457 936 MATB 1265 253 1110 METB 1870 256 1816 MIAB 1314 684 1024 MSPB 1387 677 1038 NOWB 1282 629 925 PAUB 1166 946 991 PDMB 1181 425 976 REUB 940 359 965 REZB 1989 496 1675 RILB 1141 303 939 RIQB 1933 687 1548 ROUB 3261 1080 2798 SALB 1096 675 794 SANB 1314 534 1061 SPJB 3883 1785 3213 STJB 1581 950 1304 SYPB 3396 1018 2870 THUB 3805 1814 3490 TLSB 1620 1303 1198 YASB 1409 1091 1080 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 13.4 15.2 17.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.5 +- 1.8 mm TY = -3.1 +- 1.7 mm TZ = -19.2 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.1 +- 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 0.52 0.74 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr