****************************************************************************** dorisreport 28-Oct-2010 18:23:09 Message No 2242 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1602 = 10262 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1602 from 19-09-2010 to 25-09-2010 DORIS name (using day of start): 10262 Days of year: from 2010/262 to 2010/268 ============================================================== 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/ign10262wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10262wd09.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 #week 1599: goa-test.2010.05.25h Back to previous test version 4) Global Statistics ==================== GPS week number 1602 from 19-09-2010 to 25-09-2010 Total number of stations = 46 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.97 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 19-09-2010 21335 60 21275 0.3 20-09-2010 21764 66 21698 0.3 21-09-2010 20797 68 20729 0.3 22-09-2010 21101 5 21096 0.0 23-09-2010 20946 9 20937 0.0 24-09-2010 20519 14 20505 0.1 25-09-2010 22039 14 22025 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 --------------------------------------------------------------- ENVISAT 8025 8166 7951 8094 8035 7123 8355 SPOT4 5082 5096 4530 4637 4744 4991 5086 SPOT5 8168 8436 8248 8365 8158 8391 8584 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.470 0.489 0.482 0.449 0.449 0.462 0.445 SPOT4 0.444 0.425 0.431 0.454 0.478 0.445 0.445 SPOT5 0.418 0.450 0.448 0.414 0.413 0.410 0.428 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 --------------------------------------------------------------- AMVB 0 0 0 251 428 364 456 ARFB 66 205 86 300 318 193 341 ASEB 331 257 340 340 289 245 211 BADB 496 524 475 526 479 491 535 BEMB 1450 1326 1418 1486 1471 1455 1413 BETB 356 395 305 395 271 371 413 CADB 379 421 414 436 345 387 401 CHAB 587 594 594 607 540 596 596 CRQB 293 315 242 276 286 309 288 DIOB 320 320 307 374 317 300 321 DJIB 356 329 362 340 304 370 325 EASB 382 405 346 370 449 394 363 EVEB o 227 192 232 202 193 213 222 GREB 406 481 499 458 418 440 410 HBMB 455 492 465 400 475 524 456 HEMB 457 403 267 217 338 415 346 JIUB 368 365 401 304 333 429 380 KETB 523 598 542 444 458 388 407 KIUB 423 439 406 401 388 447 429 KOLB 449 449 440 470 357 470 516 KRBB 622 651 518 518 644 609 584 KRUB 399 378 369 393 359 344 365 LICB 272 243 375 270 330 327 231 MAHB 300 280 322 218 129 340 257 MALB 334 336 371 323 355 362 314 MANB o 407 380 320 328 344 373 332 MATB o 355 327 316 417 339 369 345 METB 491 518 540 491 517 529 562 MIAB 416 336 392 333 386 366 473 MSPB 486 428 413 461 517 524 462 NOWB 367 360 357 536 367 319 434 PAUB 401 460 414 408 396 476 404 PDMB o 370 377 335 418 414 290 344 REUB o 273 331 354 289 227 264 299 REZB 546 694 526 546 574 465 558 RILB 312 358 323 292 342 315 328 RIQB 540 552 590 659 499 563 567 ROUB 1037 1070 1036 980 1098 1032 1091 SANB o 371 339 422 386 329 337 424 SPJB 1222 1329 968 1223 1303 1225 1326 STJB o 543 538 397 0 63 545 577 SYPB 1127 1086 1134 1097 1109 1066 1163 THUB 1290 1267 1278 1294 1275 1272 1197 TLSB 567 608 595 575 602 598 571 YASB 496 477 463 503 486 418 476 YEMB 403 431 424 432 419 398 439 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 ----------------------------- AMVB 601 436 537 ARFB 1057 582 950 ASEB 889 417 862 BADB 1715 685 1366 BEMB 4508 1948 4000 BETB 1141 811 918 CADB 1180 775 964 CHAB 1756 1126 1397 CRQB 912 365 858 DIOB 862 483 1043 DJIB 1047 699 941 EASB 1164 935 1060 EVEB 481 448 714 GREB 1485 734 1169 HBMB 1287 1081 1064 HEMB 1067 565 982 JIUB 1202 704 1099 KETB 1465 821 1233 KIUB 1256 922 1151 KOLB 1292 1054 1029 KRBB 1868 821 1686 KRUB 1220 777 944 LICB 933 523 822 MAHB 930 421 821 MALB 1001 755 892 MANB 1204 559 967 MATB 1303 203 1110 METB 1868 199 1857 MIAB 1316 763 1001 MSPB 1386 855 1183 NOWB 1270 687 941 PAUB 1223 1032 998 PDMB 1227 416 1099 REUB 959 404 900 REZB 1991 535 1750 RILB 1149 285 998 RIQB 1903 650 1613 ROUB 3383 1246 2983 SANB 1308 397 1114 SPJB 3838 1854 3236 STJB 1134 634 1063 SYPB 3706 1161 3181 THUB 4009 1606 3622 TLSB 1665 1285 1328 YASB 1389 1023 1046 YEMB 75 942 2206 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 12.0 11.3 12.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -6.6 +- 1.8 mm TY = -10.8 +- 1.7 mm TZ = 17.4 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.3 +- 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 0.70 0.55 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr