****************************************************************************** dorisreport 30-Sep-2008 01:43:30 Message No 1388 ****************************************************************************** Author: willis@ipgp.fr ( WILLIS Pascal) Subject: IGN/JPL DORIS Report for week 1494 = 08237 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1494 from 24-08-2008 to 30-08-2008 DORIS name (using day of start): 08237 Days of year: from 2008/237 to 2008/243 ============================================================== 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/ign08237wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08237wd06.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 1494 from 24-08-2008 to 30-08-2008 Total number of stations = 50 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.33 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 24-08-2008 22725 3 22722 0.0 25-08-2008 22661 19 22642 0.1 26-08-2008 22426 11 22415 0.0 27-08-2008 22480 9 22471 0.0 28-08-2008 22750 19 22731 0.1 29-08-2008 22096 29 22067 0.1 30-08-2008 23175 3 23172 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 6769 6993 6761 6770 6931 6603 7002 SPOT2 2867 2925 3062 2847 2602 2737 3150 SPOT4 5149 5008 4881 4933 5286 4830 5230 SPOT5 7937 7716 7711 7921 7912 7897 7790 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.409 0.399 0.423 0.451 0.429 0.396 0.413 SPOT2 0.452 0.425 0.419 0.411 0.419 0.424 0.448 SPOT4 0.421 0.424 0.411 0.415 0.419 0.420 0.411 SPOT5 0.369 0.374 0.381 0.386 0.381 0.361 0.365 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 1759 1690 1656 1720 1792 1750 1698 AMUB 460 370 479 512 505 541 387 ARFB 422 313 368 427 365 425 404 ASDB o 303 257 298 278 293 311 277 BEMB 1478 1536 1448 1256 1528 1521 1524 BETB 384 401 291 392 395 375 348 CADB 466 492 483 427 462 459 422 CHAB 600 684 676 715 691 702 712 CICB 492 392 369 396 447 466 426 CRPB 277 278 230 305 370 331 276 DIOB 354 364 455 432 383 344 346 DJIB 430 421 463 427 443 372 449 EASB 460 423 455 479 431 399 455 FAIB o 982 995 858 926 954 932 934 FUTB 342 298 370 423 436 379 332 GREB 500 545 389 480 449 477 498 HBMB 426 476 414 507 413 393 485 HEMB 325 348 418 379 381 374 432 JIUB 607 377 363 511 527 390 457 KETB 385 387 414 375 408 352 441 KIUB 608 540 490 520 567 598 603 KOLB 469 586 592 443 542 581 504 KRUB 435 413 381 377 375 438 425 LICB 370 477 420 412 446 313 356 MAHB 335 180 313 355 311 313 316 MALB 373 491 355 473 433 425 446 MANB o 405 501 504 372 455 353 356 MATB o 359 362 477 400 404 402 412 METB 565 638 672 556 539 707 600 MIAB 413 405 450 321 425 457 389 MOOB 568 442 509 547 492 568 510 MSPB 461 568 513 434 493 466 544 NOWB 315 407 311 271 283 320 303 PATB 431 415 375 402 412 431 430 PDMB 401 344 537 351 389 449 479 REUB 421 405 340 376 402 315 285 REZB 693 622 662 603 510 610 664 RIKB 396 439 429 464 365 404 485 RIQB 653 706 684 671 764 715 642 ROUB 1071 1202 1047 1007 1086 1043 1134 SALB 379 329 600 461 443 432 456 SANB 410 512 473 313 395 428 404 SODB o 424 441 334 428 489 399 418 SPJB 1491 1383 1395 1557 1492 1345 1431 STJB o 586 522 631 626 555 571 657 SYPB 1225 1352 1335 1357 1216 1274 1298 THUB 1174 1093 1093 1302 1276 1196 1269 TLSB 601 576 213 592 553 520 567 YASB 518 591 528 490 323 548 580 YEMB 926 854 936 905 910 795 924 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 3820 2407 3064 3250 AMUB 1207 492 571 1123 ARFB 1005 289 599 951 ASDB 853 69 480 841 BEMB 4427 553 1902 3883 BETB 1058 223 677 841 CADB 1112 439 804 990 CHAB 1675 784 1166 1346 CICB 1208 279 723 964 CRPB 888 185 311 805 DIOB 948 349 699 891 DJIB 1145 435 696 911 EASB 1180 496 901 1061 FAIB 2836 558 1200 2534 FUTB 1088 232 586 913 GREB 1425 215 720 1189 HBMB 1097 518 739 948 HEMB 1195 284 464 894 JIUB 1335 439 827 1082 KETB 1233 81 526 1090 KIUB 1434 626 1135 1213 KOLB 1280 613 1070 1046 KRUB 1161 357 660 938 LICB 1009 409 558 946 MAHB 949 108 462 845 MALB 1035 589 720 907 MANB 1251 354 492 997 MATB 1300 87 479 1169 METB 1808 384 571 1789 MIAB 1200 216 581 1080 MOOB 1363 488 852 1103 MSPB 1285 374 779 1182 NOWB 932 299 271 863 PATB 1157 372 642 988 PDMB 1229 245 541 1131 REUB 974 303 593 839 REZB 2001 369 606 1796 RIKB 1192 357 664 992 RIQB 1950 628 797 1668 ROUB 3217 615 1062 2942 SALB 1205 392 652 1013 SANB 1282 378 308 1150 SODB 1212 402 555 956 SPJB 4204 1297 1627 3339 STJB 1631 571 935 1370 SYPB 3597 1514 1084 3163 THUB 3079 563 1690 3386 TLSB 1541 284 732 1250 YASB 1263 479 835 1128 YEMB 2583 997 887 2190 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 12.7 14.0 11.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -7.2 +- 1.4 mm TY = 12.7 +- 1.4 mm TZ = 5.5 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -0.4 +- 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 2.30 1.02 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr