****************************************************************************** dorisreport 18-Jan-2011 15:08:02 Message No 2353 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1615 = 10353 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1615 from 19-12-2010 to 25-12-2010 DORIS name (using day of start): 10353 Days of year: from 2010/353 to 2010/359 ============================================================== 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/ign10353wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10353wd09.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 4) Global Statistics ==================== GPS week number 1615 from 19-12-2010 to 25-12-2010 Total number of stations = 49 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 5.45 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 19-12-2010 22210 48 22162 0.2 20-12-2010 22797 66 22731 0.3 21-12-2010 22816 3 22813 0.0 22-12-2010 23038 9 23029 0.0 23-12-2010 23040 5 23035 0.0 24-12-2010 22993 43 22950 0.2 25-12-2010 23413 78 23335 0.3 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 8293 8303 8352 8386 8474 8357 8632 SPOT4 5087 5206 5272 5440 5135 5201 5192 SPOT5 8782 9222 9189 9203 9426 9392 9511 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.470 0.460 0.443 0.451 0.441 0.448 0.481 SPOT4 0.444 0.444 0.437 0.437 0.426 0.419 0.444 SPOT5 0.427 0.416 0.410 0.403 0.413 0.420 0.437 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 94 408 432 418 421 395 487 AMVB 384 413 387 392 373 364 424 ARFB 340 309 384 352 322 281 317 ASEB 315 308 247 263 328 301 261 BADB 562 519 481 440 466 496 533 BEMB 1386 1459 1476 1385 1449 1429 1485 CADB 393 382 327 327 398 397 422 CHAB 590 581 592 576 595 605 573 CIDB 115 88 81 149 286 400 371 COBB 819 775 767 806 809 795 735 CRQB 293 327 326 269 284 320 342 DIOB 296 298 268 274 268 236 298 DJIB 318 359 345 383 366 379 381 EASB 353 374 429 336 360 413 350 EVEB o 181 209 207 234 235 213 200 GAVB 261 255 219 228 260 230 276 GREB 447 452 480 485 486 466 442 HBMB 433 435 498 518 394 396 467 HEMB 261 301 404 376 317 326 296 JIUB 354 313 463 457 373 398 335 KETB 466 406 438 397 409 509 398 KIUB 475 388 399 456 450 473 407 KOLB 479 428 408 501 511 437 464 KRBB 464 594 602 653 578 559 562 KRUB 327 286 346 296 333 367 353 LICB 366 364 330 332 364 325 383 MAHB 211 249 282 258 294 269 316 MALB 235 323 370 361 352 380 349 MANB o 339 392 353 419 342 291 423 METB 509 553 502 544 515 580 548 MIAB 420 468 368 419 426 387 455 MSPB 486 494 467 537 398 357 560 NOWB 435 447 329 314 355 399 447 PAUB 416 401 432 399 400 394 393 PDMB o 388 323 407 320 363 382 376 REUB o 365 243 224 286 288 309 267 REZB 509 542 605 598 492 451 598 RILB 328 300 263 288 257 269 289 RIQB 640 477 605 525 667 556 514 ROUB 981 1056 943 1095 915 986 1044 SALB 297 359 430 353 414 384 353 SANB o 337 475 257 344 410 435 474 SPJB 1264 1305 1275 1190 1258 1274 1282 STJB o 503 544 573 519 530 555 455 SYPB 1097 1070 1075 1098 1102 1083 1086 THUB 1213 1243 1342 1305 1343 1357 1188 TLSB 591 572 597 590 531 589 598 YASB 307 460 449 427 468 393 470 YEMB 494 463 482 489 506 489 436 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 0 3227 AMVB 1219 574 1110 ARFB 1099 422 955 ASEB 889 395 895 BADB 1712 612 1409 BEMB 4502 2012 4002 CADB 1065 762 974 CHAB 1707 1172 1392 CIDB 363 700 503 COBB 2268 1611 1820 CRQB 865 526 892 DIOB 787 420 844 DJIB 1037 783 922 EASB 1123 958 1044 EVEB 480 412 718 GAVB 939 0 888 GREB 1447 678 1237 HBMB 1308 1068 974 HEMB 1023 510 904 JIUB 1256 747 1000 KETB 1337 662 1178 KIUB 1251 917 1139 KOLB 1313 969 1069 KRBB 1806 847 1612 KRUB 1049 754 916 LICB 1065 685 918 MAHB 1039 517 914 MALB 1022 724 862 MANB 1224 487 1005 METB 1928 241 1820 MIAB 1246 708 1118 MSPB 1397 873 1210 NOWB 1235 590 1132 PAUB 1253 982 996 PDMB 1177 494 1068 REUB 955 298 907 REZB 2014 585 1701 RILB 1066 281 892 RIQB 1886 600 1682 ROUB 3307 1018 2980 SALB 1086 778 963 SANB 1277 478 1157 SPJB 3997 1802 3342 STJB 1526 897 1403 SYPB 3677 1040 3169 THUB 3981 1698 3622 TLSB 1644 1281 1290 YASB 1293 769 1180 YEMB 8 1131 2348 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 13.1 12.5 14.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.2 +- 1.7 mm TY = -10.2 +- 1.8 mm TZ = 30.8 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.2 +- 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 0.46 1.04 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr