****************************************************************************** dorisreport 16-Jul-2008 03:58:10 Message No 1313 ****************************************************************************** Author: willis@ipgp.fr ( WILLIS Pascal) Subject: IGN/JPL DORIS Report for week 1481 = 08146 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1481 from 25-05-2008 to 31-05-2008 DORIS name (using day of start): 08146 Days of year: from 2008/146 to 2008/152 ============================================================== 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/ign08146wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08146wd06.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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/ignwd05.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd06.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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 Last changes in the time series data analysis: Week 678: See DORISMail #0288, start of the time series 4) Global Statistics ==================== GPS week number 1481 from 25-05-2008 to 31-05-2008 Total number of stations = 52 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.53 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 25-05-2008 22566 1 22565 0.0 26-05-2008 21919 14 21905 0.1 27-05-2008 19846 3 19843 0.0 28-05-2008 22834 19 22815 0.1 29-05-2008 22370 29 22341 0.1 30-05-2008 21402 26 21376 0.1 31-05-2008 22239 7 22232 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 6948 6777 6674 6983 6724 5748 6968 SPOT2 2909 2740 2600 3042 2969 3041 2766 SPOT4 4902 4846 4990 5036 4897 4761 4826 SPOT5 7806 7542 5579 7754 7751 7826 7672 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.409 0.397 0.409 0.446 0.438 0.449 0.416 SPOT2 0.439 0.411 0.420 0.430 0.438 0.451 0.479 SPOT4 0.417 0.420 0.421 0.423 0.413 0.399 0.419 SPOT5 0.371 0.369 0.375 0.398 0.407 0.389 0.378 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 1696 1627 1583 1792 1725 1644 1766 AMUB 451 498 488 525 503 458 457 ARFB 490 300 371 433 415 364 311 ASDB o 318 362 361 317 324 305 279 BEMB 1407 1478 1436 1609 1381 1347 1422 BETB 342 350 359 395 284 403 401 CADB 499 415 464 508 441 402 446 CHAB 614 622 0 0 694 721 597 CICB 429 426 454 459 410 438 445 CRPB 223 300 310 172 164 277 209 DIOB 382 454 399 349 368 414 516 DJIB 368 409 397 376 349 436 373 EASB 420 398 406 425 456 502 410 FAIB o 956 958 1000 958 934 826 989 FUTB 414 340 408 345 332 429 373 GAVB 221 293 215 248 0 0 0 GREB 423 399 570 471 483 514 557 HBMB 0 264 389 494 397 498 496 HEMB 353 345 352 299 323 384 339 JIUB 458 445 513 629 368 500 463 KETB 516 440 444 456 541 563 421 KIUB 535 534 538 538 474 553 547 KOLB 555 480 567 567 654 492 546 KRUB 345 464 406 449 437 340 452 LICB 473 419 360 369 476 369 441 MAHB 379 316 261 328 301 356 451 MANB o 409 370 326 424 403 344 369 MATB o 497 436 426 432 469 343 488 METB 610 574 585 624 627 571 551 MIAB 458 414 363 430 491 333 301 MOOB 480 536 595 470 504 535 507 MORB 382 373 454 472 401 431 420 MSPB 541 414 540 477 506 449 511 NOWB 339 303 324 364 282 299 353 PATB 448 343 484 512 428 368 467 PDMB 11 32 49 20 30 0 10 REUB 134 37 96 142 84 76 83 REZB 679 672 624 650 778 730 534 RIKB 389 449 363 405 428 426 354 RIQB 714 602 606 657 788 695 626 ROUB 1141 1267 1225 1163 1095 995 1213 SANB 390 505 512 467 439 438 468 SCRB 384 394 478 411 427 412 454 SODB o 393 366 377 454 320 402 457 SPJB 1418 1525 1519 1382 1461 1521 1570 STJB o 665 637 559 629 623 738 540 SYPB 1414 1154 1253 1351 1212 1374 1322 THUB 1202 1101 1234 1272 1025 1256 1117 TLSB 612 581 570 605 635 610 584 TRIB o 331 310 266 304 383 230 235 YASB 542 500 483 577 575 441 500 YEMB 943 666 857 811 763 976 670 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 3903 2227 3050 3151 AMUB 1139 639 603 1148 ARFB 1118 367 358 963 ASDB 843 349 502 847 BEMB 4401 513 1724 4008 BETB 1063 254 613 867 CADB 1190 376 784 1012 CHAB 1176 559 690 968 CICB 1231 333 707 1000 CRPB 702 149 302 689 DIOB 976 538 705 863 DJIB 1151 118 728 975 EASB 1103 411 911 1037 FAIB 2830 635 1083 2574 FUTB 1089 308 576 984 GAVB 532 58 0 494 GREB 1350 394 646 1219 HBMB 926 408 565 815 HEMB 1104 217 373 875 JIUB 1332 441 826 1141 KETB 1440 242 724 1132 KIUB 1413 363 1131 1239 KOLB 1334 794 993 1033 KRUB 1188 423 697 936 LICB 1079 338 701 944 MAHB 992 259 433 928 MANB 1286 272 514 922 MATB 1322 136 606 1186 METB 1841 361 485 1785 MIAB 1142 316 539 1003 MOOB 1313 452 896 1164 MORB 1105 307 728 934 MSPB 1329 369 758 1146 NOWB 883 228 433 810 PATB 1193 421 689 976 PDMB 3 87 538 0 REUB 633 3 296 642 REZB 2165 368 697 1861 RIKB 1179 373 549 922 RIQB 1974 822 520 1627 ROUB 3280 763 1339 2994 SANB 1295 320 617 1132 SCRB 1159 418 698 961 SODB 1220 313 545 1025 SPJB 4043 1627 1798 3283 STJB 1677 586 897 1454 SYPB 3559 1513 1187 3157 THUB 3017 586 1469 3462 TLSB 1713 617 761 1313 TRIB 1155 28 43 1018 YASB 1345 608 763 1082 YEMB 2460 789 940 2126 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 ign07d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 10.3 14.8 11.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -5.3 +- 1.9 mm TY = 10.6 +- 2.4 mm TZ = 13.0 +- 2.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.2 +- 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 1.19 0.71 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr