****************************************************************************** dorisreport 04-Feb-2011 15:15:00 Message No 2376 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1616 = 10360 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1616 from 26-12-2010 to 01-01-2011 DORIS name (using day of start): 10360 Days of year: from 2010/360 to 2011/1 ============================================================== 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/ign10360wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10360wd09.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 1616 from 26-12-2010 to 01-01-2011 Total number of stations = 49 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 4.00 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 26-12-2010 22718 35 22683 0.2 27-12-2010 23101 19 23082 0.1 28-12-2010 22662 7 22655 0.0 29-12-2010 22189 12 22177 0.1 30-12-2010 22327 53 22274 0.2 31-12-2010 22418 29 22389 0.1 01-01-2011 22428 71 22357 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 8506 8509 8526 8278 8320 8284 8338 SPOT4 5162 5488 5188 4946 5117 5239 5263 SPOT5 9015 9085 8941 8953 8837 8866 8756 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.455 0.433 0.437 0.436 0.466 0.467 0.454 SPOT4 0.427 0.427 0.423 0.425 0.427 0.434 0.424 SPOT5 0.429 0.407 0.403 0.423 0.410 0.430 0.432 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 186 116 0 170 20 137 107 AMVB 391 439 386 421 428 393 384 ARFB 398 396 358 276 322 396 354 ASEB 283 271 181 0 250 300 270 BADB 516 491 462 451 533 501 485 BEMB 1489 1422 1446 1365 1391 1544 1408 CADB 287 351 397 407 310 359 286 CHAB 603 576 598 599 567 619 586 CIDB 308 374 435 372 346 294 329 COBB 763 823 803 767 777 791 775 CRQB 305 311 296 301 328 365 329 DIOB 316 303 237 250 219 319 300 DJIB 311 364 317 362 407 359 357 EASB 405 411 324 408 364 370 427 EVEB o 198 207 238 232 205 199 216 GAVB 256 198 229 240 252 222 206 GREB 488 461 499 460 444 483 411 HBMB 427 535 449 410 470 424 510 HEMB 364 446 274 342 290 308 488 JIUB 397 453 431 413 315 378 444 KETB 423 367 415 422 436 398 459 KIUB 428 498 453 468 405 375 476 KOLB 391 471 535 423 463 447 418 KRBB 529 616 586 585 626 522 652 KRUB 277 294 305 346 322 318 340 LICB 380 291 227 186 322 380 305 MAHB 273 339 327 253 240 249 296 MALB 375 366 352 400 345 365 359 MANB o 351 423 362 0 0 0 0 METB 455 554 520 563 536 510 526 MIAB 392 383 417 435 418 414 374 MSPB 425 533 447 394 537 438 512 NOWB 321 257 374 372 391 408 314 PAUB 388 384 423 361 420 404 381 PDMB o 351 339 335 414 373 355 377 REUB o 243 270 326 308 324 247 219 REZB 551 560 541 565 551 569 536 RILB 338 317 305 312 301 299 331 RIQB 617 560 620 569 559 643 518 ROUB 968 1050 1006 1025 1081 836 942 SALB 429 419 278 412 337 367 472 SANB o 295 342 406 426 359 348 257 SPJB 1277 1244 1299 1205 1304 1266 1276 STJB o 583 518 544 555 521 528 566 SYPB 1110 1042 1116 1143 1108 1085 1077 THUB 1319 1321 1344 1376 1202 1285 1322 TLSB 576 570 580 532 580 583 595 YASB 481 396 418 381 442 504 407 YEMB 474 489 494 505 480 471 486 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 3179 AMVB 1227 642 1101 ARFB 1075 635 933 ASEB 752 217 699 BADB 1718 539 1382 BEMB 4375 2093 4050 CADB 967 728 874 CHAB 1693 1236 1374 CIDB 1118 631 944 COBB 2232 1723 1756 CRQB 970 442 952 DIOB 867 354 820 DJIB 1061 736 907 EASB 1192 911 1109 EVEB 455 447 718 GAVB 867 0 844 GREB 1460 743 1166 HBMB 1278 1112 1016 HEMB 1103 552 988 JIUB 1227 838 1090 KETB 1430 515 1199 KIUB 1289 904 1160 KOLB 1239 1070 1000 KRBB 1861 837 1661 KRUB 1063 747 931 LICB 934 531 795 MAHB 968 468 917 MALB 1045 763 915 MANB 528 252 407 METB 1863 333 1780 MIAB 1250 695 1016 MSPB 1379 914 1197 NOWB 1229 497 993 PAUB 1193 1051 987 PDMB 1255 375 1097 REUB 896 345 858 REZB 2022 536 1688 RILB 1170 228 1049 RIQB 1866 761 1628 ROUB 3274 1004 2893 SALB 1213 713 1038 SANB 1275 341 1032 SPJB 4036 1787 3337 STJB 1592 955 1427 SYPB 3626 1144 3206 THUB 4067 1813 3639 TLSB 1582 1249 1336 YASB 1355 840 1120 YEMB 8 1089 2418 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 15.9 15.9 15.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 4.5 +- 1.9 mm TY = -15.8 +- 1.9 mm TZ = 12.4 +- 1.6 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.6 +- 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 0.44 1.14 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr