****************************************************************************** dorisreport 31-Mar-2010 07:16:55 Message No 1979 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1571 = 10045 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1571 from 14-02-2010 to 20-02-2010 DORIS name (using day of start): 10045 Days of year: from 2010/45 to 2010/51 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-5727-8481 FAX +33-1-5727-8482 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/ign10045wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10045wd09.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., C. Boucher, H. Fagard, Z. Altamimi (2005), Applications geodesiques du systeme DORIS a l'Institut Geographique National, Geodetic applications of the DORIS system at the French Institut Geographique National, C.R. Geoscience, 337(7), 653-662, DOI: 10.1016/j.crte.2005.03.002 Changes in data processing: #week 1568: goa-test.2010.03.25b Use Bulletin-A as a priori instead of Bulletin-B 4) Global Statistics ==================== GPS week number 1571 from 14-02-2010 to 20-02-2010 Total number of stations = 45 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.52 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 14-02-2010 22591 4 22587 0.0 15-02-2010 21674 8 21666 0.0 16-02-2010 19867 10 19857 0.1 17-02-2010 22909 42 22867 0.2 18-02-2010 22095 8 22087 0.0 19-02-2010 22793 52 22741 0.2 20-02-2010 22985 122 22863 0.5 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 8706 8284 6024 8984 8470 8740 8990 SPOT4 5141 4640 5017 5200 5001 5257 4995 SPOT5 8740 8742 8816 8683 8616 8744 8878 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.444 0.451 0.428 0.447 0.445 0.484 0.460 SPOT4 0.421 0.427 0.432 0.427 0.421 0.420 0.425 SPOT5 0.410 0.405 0.400 0.413 0.406 0.427 0.420 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 1481 1364 1457 1442 1341 1427 1445 AMVB 411 368 423 415 394 441 385 ARFB 281 210 248 315 156 202 324 BADB 464 514 455 553 509 504 542 BEMB 1519 1404 1267 1522 1361 1340 1279 BETB 387 358 286 312 341 383 263 CADB 420 309 331 375 287 382 439 CRQB 378 417 396 397 369 351 437 DIOB 340 394 327 334 321 314 355 DJIB 388 381 376 359 345 395 318 EVEB o 234 232 175 199 204 183 238 FAIB o 897 761 725 846 805 951 854 GAVB 223 239 178 232 223 184 247 GREB 471 468 402 458 471 480 400 HBMB 422 368 329 422 366 428 453 HEMB 326 339 376 378 451 350 269 JIUB 282 231 270 255 290 304 305 KETB 441 519 408 383 447 511 457 KIUB 435 447 353 412 449 438 405 KOLB 530 439 390 479 446 467 501 KRBB 366 281 516 589 633 624 571 KRUB 276 300 327 235 307 299 344 LICB 422 276 380 409 351 361 440 MAHB 308 240 199 244 118 294 296 MANB o 359 299 384 375 420 382 375 METB 590 533 525 539 527 563 587 MIAB 444 444 412 412 435 367 498 MSPB 425 335 492 467 455 448 390 NOWB 283 375 371 373 282 300 354 PAUB 459 386 407 455 421 431 415 PDMB o 381 339 409 383 456 377 339 REUB o 344 292 214 353 235 365 349 REZB 543 550 607 604 627 579 537 RILB 300 385 285 320 348 333 354 RIQB 699 594 441 545 533 572 611 ROUB 909 975 928 1069 1112 1064 1176 SALB 245 348 353 302 482 369 288 SANB 406 427 429 410 188 250 398 SPJB 1206 1183 1253 1187 1133 1318 1156 STJB o 489 579 512 497 488 525 483 SYPB 1237 1073 1042 1170 1102 1174 1194 THUB 1220 1209 1071 1164 1166 1133 1192 TLSB 478 473 533 544 493 537 532 YASB 470 452 449 459 471 412 410 YEMB 429 476 607 735 705 756 756 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 3910 3146 3180 AMVB 1281 582 1113 ARFB 1031 398 912 BADB 1781 597 1455 BEMB 4433 1755 3994 BETB 1186 554 960 CADB 1030 765 938 CRQB 1144 658 1181 DIOB 894 787 846 DJIB 1040 740 949 EVEB 485 441 681 FAIB 2710 1114 2575 GAVB 957 0 758 GREB 1409 635 1212 HBMB 1251 838 1082 HEMB 1156 515 958 JIUB 802 503 795 KETB 1445 669 1274 KIUB 1282 846 1165 KOLB 1284 1041 1111 KRBB 1351 926 1618 KRUB 1043 637 853 LICB 1151 733 952 MAHB 898 352 902 MANB 1269 474 1014 METB 1843 490 1794 MIAB 1255 792 1069 MSPB 1429 679 1127 NOWB 1260 369 987 PAUB 1194 1004 1020 PDMB 1141 637 1092 REUB 1014 428 1016 REZB 2065 647 1715 RILB 1087 469 949 RIQB 1984 540 1692 ROUB 3175 1369 2975 SALB 1066 802 835 SANB 1122 562 1018 SPJB 3739 1667 3351 STJB 1549 887 1366 SYPB 3793 1269 3263 THUB 3334 1598 3492 TLSB 1690 763 1278 YASB 1347 841 1122 YEMB 2363 920 2137 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 11.3 11.8 13.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -10.2 +- 1.7 mm TY = -0.5 +- 1.6 mm TZ = 18.8 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.9 +- 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) ------------------------------------------------------------------ 0 0.00 0.00 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr