This is a multi-part message in MIME format... ------------=_1104171211-10812-5 ****************************************************************************** dorisreport 23-Dec-2004 18:34:43 Message No 0095 ****************************************************************************** Author: Pascal Willis Subject: IGN/JPL DORIS Report for week 1297 = 04319 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1297 from 14-11-2004 to 20-11-2004 DORIS name (using day of start): 04319 Days of year: from 2004/319 to 2004/325 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone 1-818-393-4748 FAX 1-818-393-4965 2) Products =========== All the following products are available at the CDDIS data center ftp cddisa.gsfc.nasa.gov weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ign04319wd05.snx.Z weekly sinex in ITRF2000 pub/doris/products/sinex_series/ignwd/ign04319wd04.snx.Z geocenter series pub/doris/products/geoc/ign03wd01.geoc.Z Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.Z 3) Analysis Strategy ==================== The DORIS data have been processed using the Gipsy/Oasis software at 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/ignwd05.snx.dsc weekly sinex in ITRF2000 pub/doris/products/sinex_series/ignwd/ignwd04.snx.dsc geocenter series pub/doris/products/geoc/ign03wd01.geoc.dsc Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.dsc For references, the following papers are recommended : Willis, P., Y. Bar-Sever, and G. Tavernier (2003), DORIS as a potential part of a Global Geodetic Observing System, J. Geodyn, G07_10P_D-001, in press. Willis, P., M. Heflin (2004), External validation of the GRACE GGM01C gravity field using GPS and DORIS positioning results, Geophys. Res. Lett., 31, 13, L13616, doi:10.1029/2004GL020038. Last changes in the time series data analysis: Week 678 = 93003 : See DORISMail #0288, start of the time series Week 1281 = 04207 : Estimate DORIS wet tropospheric delay per measurement using a randomwalk approch (Psigma = 5 cm per day) no horizontal gradients used yet. See DORISMail #0345 Week 1287 = 04249 : Start using cumulative solution ign04d02 to perform the ITRF2000 transformation (when needed) Week 1293 = 04291 : Start using actual mass information for all satellites (as provided in the new *mass.txt files) instead of nominal values as before 4) Global Statistics ==================== GPS week number 1297 from 14-11-2004 to 20-11-2004 Total number of stations = 44 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 1.98 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 14-11-2004 21455 18 21437 0.1 15-11-2004 21832 20 21812 0.1 16-11-2004 21731 21 21710 0.1 17-11-2004 21798 35 21763 0.2 18-11-2004 21992 20 21972 0.1 19-11-2004 22019 10 22009 0.0 20-11-2004 21396 22 21374 0.1 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 6249 6144 6271 6306 6395 6360 6030 SPOT2 4050 4153 4202 4281 4342 4457 4278 SPOT4 4483 4701 4691 4685 4564 4438 4570 SPOT5 6655 6814 6546 6491 6671 6754 6496 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.420 0.407 0.424 0.432 0.417 0.426 0.415 SPOT2 0.433 0.428 0.441 0.435 0.427 0.426 0.414 SPOT4 0.425 0.452 0.456 0.448 0.432 0.410 0.454 SPOT5 0.388 0.386 0.385 0.398 0.402 0.401 0.399 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 --------------------------------------------------------------- ADEB 1455 1449 1499 1434 1443 1442 1541 AMTB 484 480 464 462 458 486 474 ASDB 126 166 203 194 32 0 0 BADB 533 531 513 574 563 511 568 CADB 248 222 390 429 412 410 255 CHAB 724 756 663 636 662 744 682 CICB 445 474 450 452 413 434 490 CROB 350 304 310 342 302 320 360 DIOA o 0 234 498 551 446 468 502 DJIB 324 382 423 367 235 473 435 EASB 451 451 464 511 491 448 428 FAIB o 1108 1222 1138 1092 1149 1168 1113 FUTB 457 410 436 395 508 489 442 GALA 347 472 453 424 368 415 443 GREB 510 519 531 501 545 511 440 HEMB 352 369 339 380 411 323 299 KESB 24 44 21 29 135 114 69 KIUB 0 137 280 287 102 94 85 KOLB 509 554 555 459 474 561 618 KRAB o 662 660 672 595 591 691 605 KRUB 223 264 274 263 267 323 249 LIBB 431 410 457 348 382 491 407 MAHB 109 119 111 126 116 129 119 MATB 359 399 472 422 494 438 453 METB 802 757 807 769 796 750 757 MORB 309 388 370 356 322 366 359 MSPB 488 548 566 596 560 523 589 PAQB 514 490 478 470 476 534 560 PDMB 433 508 451 397 530 427 359 PURA 250 373 394 388 399 470 362 REUB 398 360 429 333 392 441 317 REZB 1036 1108 908 1029 1243 1052 984 RIDA 259 301 316 273 282 262 297 RIPB 801 365 0 0 0 0 0 SAKB 723 740 555 725 746 768 572 SANB 486 491 517 421 432 554 597 SODB o 482 445 512 426 471 544 434 STJB 398 301 49 159 328 52 161 SYPB 1493 1460 1463 1528 1445 1406 1497 THUB 0 0 111 263 217 305 279 TLHA 521 453 458 427 463 438 247 TRIB o 577 414 437 570 460 463 493 YASB 320 444 435 501 508 388 582 YELB 965 885 889 937 959 920 902 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 ------------------------------------- ADEB 2986 2033 2206 3102 AMTB 1170 616 687 1089 ASDB 330 169 204 43 BADB 1472 584 676 1310 CADB 745 579 549 632 CHAB 1500 1053 1216 1388 CICB 773 719 819 1195 CROB 1002 327 345 755 DIOA 791 543 655 788 DJIB 722 657 566 819 EASB 856 846 899 1016 FAIB 2518 1264 1463 3440 FUTB 846 640 845 921 GALA 756 710 729 844 GREB 1103 665 739 1408 HEMB 1001 532 425 843 KESB 178 0 16 247 KIUB 235 239 278 245 KOLB 938 835 1014 1348 KRAB 1438 849 871 1631 KRUB 454 547 395 606 LIBB 846 564 697 1152 MAHB 0 446 435 0 MATB 1048 533 638 1005 METB 1719 899 1075 1796 MORB 583 751 577 660 MSPB 1307 730 891 1160 PAQB 905 785 920 1248 PDMB 940 549 633 1271 PURA 593 653 666 840 REUB 819 494 517 924 REZB 2649 1113 1815 2245 RIDA 0 556 533 1153 RIPB 263 262 272 430 SAKB 1561 1157 1107 1327 SANB 1058 700 711 1374 SODB 894 619 930 1183 STJB 856 0 274 336 SYPB 2942 1985 2229 3879 THUB 0 1226 0 0 TLHA 1051 455 343 1441 TRIB 985 781 732 1135 YASB 942 696 732 1012 YELB 2028 889 1243 2819 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 ign04d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 21.0 14.2 23.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign04d02 TX = -15.7 +- 1.4 mm TY = 14.1 +- 1.3 mm TZ = -71.6 +- 1.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2000 using reference ign04d02 S = -4.3 +- 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) 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