****************************************************************************** dorisreport 19-May-2009 22:44:51 Message No 1637 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1525 = 09088 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1525 from 29-03-2009 to 04-04-2009 DORIS name (using day of start): 09088 Days of year: from 2009/88 to 2009/94 ============================================================== 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/ign09088wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09088wd09.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 4) Global Statistics ==================== GPS week number 1525 from 29-03-2009 to 04-04-2009 Total number of stations = 43 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.96 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 29-03-2009 22955 22 22933 0.1 30-03-2009 23216 15 23201 0.1 31-03-2009 22924 1 22923 0.0 01-04-2009 23174 4 23170 0.0 02-04-2009 22031 6 22025 0.0 03-04-2009 21522 14 21508 0.1 04-04-2009 21762 5 21757 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 8290 8233 7970 8266 8026 7718 7821 SPOT2 1631 1829 1872 2019 1714 1631 1630 SPOT4 4752 4909 4953 4860 4357 4318 4411 SPOT5 8260 8230 8128 8025 7928 7841 7895 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.455 0.459 0.421 0.443 0.442 0.440 0.485 SPOT2 0.396 0.421 0.413 0.467 0.428 0.418 0.429 SPOT4 0.421 0.419 0.423 0.421 0.439 0.444 0.433 SPOT5 0.421 0.422 0.397 0.405 0.407 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 1546 1695 1522 1704 262 0 0 AMUB 508 448 380 465 375 473 440 ARFB 309 268 385 314 439 280 365 ASDB o 324 368 296 345 279 111 76 BEMB 1429 1544 1491 1513 1626 1424 1442 BETB 433 355 363 347 377 362 393 CADB 459 501 416 511 507 425 493 CHAB 589 662 743 616 597 610 578 CIDB 460 429 401 444 415 425 433 DIOB 337 376 334 332 466 402 340 DJIB 448 373 477 408 417 430 452 EASB 385 314 446 383 448 411 401 EVEB o 202 211 232 272 197 250 184 FAIB o 946 992 957 1019 849 904 921 GREB 415 512 474 482 474 482 548 HEMB 300 411 426 406 256 357 344 KETB 449 176 164 461 558 484 487 KIUB 573 508 552 512 469 504 522 KOLB 497 568 460 558 462 460 530 KRUB 386 402 348 351 439 396 392 MAHB 0 0 0 0 164 305 260 MALB 0 0 0 0 0 343 351 MANB o 430 428 309 317 358 407 386 METB 577 707 673 591 508 514 661 MIAB 348 401 426 315 380 386 349 MOOB 464 515 480 476 511 478 587 MORB o 446 324 408 566 386 408 447 MSPB 521 462 530 558 500 126 0 NOWB 282 469 307 275 296 352 368 PATB 447 352 397 413 414 358 389 REUB o 417 426 277 328 356 338 429 REZB 589 678 705 689 715 577 615 RIQB 576 567 614 653 739 555 638 ROUB 1058 1104 1108 937 897 1053 1108 SANB 459 515 392 342 342 475 509 SCRB 440 384 349 412 345 391 484 SODB o 459 371 359 398 412 355 434 SPJB 1472 1325 1354 1292 1466 1566 1340 STJB o 549 534 620 577 606 669 577 SYPB 1190 1320 1249 1321 1278 1144 1198 THUB 1191 1134 1253 1269 1277 1302 1210 TLSB 512 538 631 609 647 629 553 YASB 428 512 582 436 515 535 457 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 SPOT2 SPOT4 SPOT5 ------------------------------------- ADFB 3465 1606 2782 2891 AMUB 1221 264 626 1145 ARFB 1060 103 434 915 ASDB 796 107 428 711 BEMB 4481 553 1926 3983 BETB 1138 187 655 966 CADB 1165 440 796 1076 CHAB 1714 341 1139 1405 CIDB 1186 242 752 1004 DIOB 941 200 715 855 DJIB 1103 325 783 976 EASB 1161 207 933 989 EVEB 506 115 305 756 FAIB 2907 451 1123 2555 GREB 1387 210 768 1198 HEMB 1175 366 240 959 KETB 1365 213 376 1036 KIUB 1495 270 1162 1238 KOLB 1327 303 1039 1093 KRUB 1149 204 655 969 MAHB 765 64 240 679 MALB 908 304 717 783 MANB 1225 254 374 998 METB 1855 385 447 1808 MIAB 1204 48 539 1072 MOOB 1350 310 884 1113 MORB 1195 294 738 958 MSPB 1264 301 758 1145 NOWB 1059 249 282 929 PATB 1240 169 621 1024 REUB 1030 235 520 1005 REZB 2107 245 742 1826 RIQB 1926 365 571 1710 ROUB 3254 287 1078 2901 SANB 1326 142 595 1147 SCRB 1165 309 682 924 SODB 1199 206 613 1052 SPJB 4164 1104 1662 3263 STJB 1684 343 902 1391 SYPB 3714 937 1148 3262 THUB 3095 649 1695 3471 TLSB 1655 623 748 1263 YASB 1375 283 808 1133 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 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 10.6 10.3 12.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 2.8 +- 1.3 mm TY = 3.9 +- 1.1 mm TZ = 6.6 +- 1.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.5 +- 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 0.67 0.45 ============================================================== Please do not reply directly to this message, but send comments and 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