****************************************************************************** dorisreport 25-Feb-2011 10:36:43 Message No 2398 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1620 = 11023 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1620 from 23-01-2011 to 29-01-2011 DORIS name (using day of start): 11023 Days of year: from 2011/23 to 2011/29 ============================================================== 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/ign11023wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11023wd09.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 1620 from 23-01-2011 to 29-01-2011 Total number of stations = 47 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 2.95 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 23-01-2011 22336 117 22219 0.5 24-01-2011 19737 46 19691 0.2 25-01-2011 22365 8 22357 0.0 26-01-2011 5239 0 5239 0.0 27-01-2011 0 0 0 0.0 28-01-2011 0 0 0 0.0 29-01-2011 0 0 0 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 8188 8304 8282 59 0 0 0 SPOT4 5312 5067 5128 5180 0 0 0 SPOT5 8719 6320 8947 0 0 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.473 0.440 0.430 0.313 0.000 0.000 0.000 SPOT4 0.429 0.413 0.438 0.411 0.000 0.000 0.000 SPOT5 0.442 0.427 0.392 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 --------------------------------------------------------------- AMVB 404 413 405 100 111 61 118 ARFB 338 301 342 133 128 102 0 ASEB 256 358 241 44 24 42 100 BADB 419 471 561 84 83 31 80 BEMB 1413 1433 1396 319 303 353 259 BETB 422 415 366 122 125 133 100 CADB 412 436 340 103 95 157 94 CHAB 591 601 575 188 172 176 172 CIDB 417 436 287 77 85 133 114 COBB 820 799 708 281 255 246 217 CRQB 328 264 288 89 51 55 41 DIOB 240 257 290 59 85 77 53 DJIB 364 346 369 100 68 112 96 EVEB o 218 241 213 41 57 81 77 GAVB 195 271 267 0 0 0 0 GREB 493 463 428 114 104 121 142 HBMB 467 445 423 182 173 131 117 HEMB 334 243 346 59 119 117 49 JIUB 441 418 270 151 115 113 114 KETB 420 408 487 61 24 103 77 KIUB 459 461 347 126 139 112 116 KOLB 463 489 414 145 179 175 114 KRBB 661 497 657 114 139 144 54 KRUB 329 296 348 93 114 104 70 LICB 334 364 320 89 76 45 95 MAHB 275 212 228 76 77 70 52 MALB 368 375 335 98 101 87 126 METB 561 605 529 28 0 24 46 MIAB 363 436 465 76 123 119 81 MSPB 408 427 526 111 177 115 92 NOWB 0 98 464 82 76 67 78 PAUB 462 418 397 142 142 140 114 PDMB o 341 327 431 48 46 60 60 REUB o 314 344 287 43 0 59 66 REZB 599 459 599 61 70 90 73 RILB 348 277 305 16 24 55 73 RIQB 578 592 506 155 95 195 71 ROUB 1036 1037 1082 93 159 104 168 SALB 342 348 426 97 91 77 102 SANB o 360 453 390 20 48 0 118 SPJB 1238 1137 1293 324 250 242 231 STJB o 582 485 568 130 134 125 111 SYPB 1071 1188 1068 111 170 108 225 THUB 1391 1334 1207 315 267 269 259 TLSB 600 588 602 95 131 189 183 YASB 404 355 501 118 140 143 82 YEMB 495 491 478 153 146 148 173 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 519 663 492 ARFB 472 489 429 ASEB 370 414 377 BADB 756 498 601 BEMB 1894 2083 1701 BETB 488 829 432 CADB 426 807 458 CHAB 725 1221 603 CIDB 496 708 436 COBB 940 1655 827 CRQB 378 400 401 DIOB 367 368 377 DJIB 458 759 382 EVEB 210 485 288 GAVB 404 0 391 GREB 621 775 514 HBMB 569 1017 433 HEMB 470 534 332 JIUB 530 793 444 KETB 598 565 498 KIUB 535 842 502 KOLB 525 1016 522 KRBB 779 885 732 KRUB 477 782 388 LICB 475 615 395 MAHB 415 450 408 MALB 454 779 376 METB 791 338 774 MIAB 533 695 496 MSPB 598 844 484 NOWB 440 511 410 PAUB 514 986 470 PDMB 504 443 451 REUB 388 366 422 REZB 897 563 734 RILB 496 331 382 RIQB 776 762 748 ROUB 1453 1063 1266 SALB 459 752 371 SANB 536 422 527 SPJB 1697 1719 1433 STJB 708 904 587 SYPB 1566 1161 1332 THUB 1774 1798 1618 TLSB 714 1264 576 YASB 546 819 486 YEMB 5 1122 1025 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 16.7 17.5 15.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 1.5 +- 2.8 mm TY = -20.0 +- 2.7 mm TZ = 10.9 +- 2.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.0 +- 0.4 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) ------------------------------------------------------------------ 4 1.94 1.40 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr