****************************************************************************** dorisreport 31-Jan-2008 13:01:57 Message No 1147 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1459 = 07357 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1459 from 23-12-2007 to 29-12-2007 DORIS name (using day of start): 07357 Days of year: from 2007/357 to 2007/363 ============================================================== 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/ign07357wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign07357wd06.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 1459 from 23-12-2007 to 29-12-2007 Total number of stations = 47 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.05 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 23-12-2007 21737 2 21735 0.0 24-12-2007 20832 24 20808 0.1 25-12-2007 21702 1 21701 0.0 26-12-2007 21519 10 21509 0.0 27-12-2007 21406 4 21402 0.0 28-12-2007 21156 2 21154 0.0 29-12-2007 21114 3 21111 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 6381 6282 6425 6489 6598 5914 5396 SPOT2 2904 3118 2977 2951 2708 2768 3155 SPOT4 4951 4018 5014 4758 4735 4908 5120 SPOT5 7499 7390 7285 7311 7361 7564 7440 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.396 0.437 0.417 0.440 0.406 0.406 0.397 SPOT2 0.413 0.421 0.428 0.421 0.449 0.459 0.429 SPOT4 0.432 0.425 0.416 0.420 0.426 0.420 0.433 SPOT5 0.369 0.381 0.387 0.378 0.377 0.378 0.354 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 o 1567 1522 1554 1378 1492 1426 1522 AMUB 522 447 472 486 491 452 404 ARFB 394 415 429 375 308 311 336 ASDB o 326 389 354 299 341 339 344 BEMB 1427 1385 1366 1488 1444 1374 1437 CADB 407 476 391 383 457 437 376 CHAB 651 615 680 676 675 696 731 CICB 486 447 420 409 482 441 395 CRPB 307 193 227 237 180 207 215 DIOB 341 319 371 437 389 392 350 DJIB 426 454 460 358 434 382 396 EASB 437 363 415 509 381 391 457 FAIB o 1055 1047 1180 1077 1103 968 1040 FUTB 385 319 318 401 413 400 357 GREB 565 503 529 538 529 526 428 HBMB 483 521 437 493 456 439 499 HEMB 357 268 387 421 326 281 334 JIUB 620 600 416 572 567 469 519 KETB 498 470 538 499 462 381 414 KIUB 532 601 565 578 573 602 644 KOLB 525 488 603 456 537 568 519 KRUB 367 379 333 402 459 432 346 LICB 345 400 413 415 416 390 399 MAHB 324 326 265 354 338 319 280 MATB o 361 435 497 476 471 435 431 METB 687 660 671 740 707 655 781 MIAB 354 439 469 368 326 392 368 MOOB 0 0 0 0 152 143 390 MORB 447 483 392 457 390 478 335 MSPB 504 487 518 473 422 438 443 NOWB 331 337 301 249 340 371 323 PATB 461 390 443 404 494 383 465 REUB 391 432 355 337 371 357 363 REZB 870 782 888 930 720 884 829 RIKB 356 374 438 446 439 369 271 RIPB 663 634 659 636 690 596 599 ROUB 1208 1078 1254 962 1202 1193 943 SANB 505 488 502 378 432 476 368 SCRB 513 413 375 468 476 399 404 SODB o 463 433 342 386 462 392 394 SPJB 1802 1616 1726 1770 1748 1749 1664 STJB o 611 676 650 765 523 608 635 SYPB 1304 1319 1355 1454 1469 1256 1241 TLSB 577 597 596 559 594 604 562 TRIB o 462 450 548 413 465 547 450 YASB 438 508 528 532 480 481 441 YEMB 1081 1026 1006 1094 886 887 976 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 3691 2265 1716 3259 AMUB 1151 478 668 1120 ARFB 885 276 536 964 ASDB 859 385 509 862 BEMB 4307 490 1718 4041 CADB 1006 378 717 1013 CHAB 1612 758 1206 1348 CICB 1138 427 792 977 CRPB 733 115 218 732 DIOB 866 355 719 864 DJIB 1104 443 736 951 EASB 1165 475 883 1018 FAIB 3092 730 1165 2851 FUTB 1094 275 584 926 GREB 1341 483 749 1221 HBMB 1151 639 749 975 HEMB 1017 234 462 824 JIUB 1261 784 966 1023 KETB 1253 127 854 1185 KIUB 1452 489 1249 1238 KOLB 1227 540 1095 1064 KRUB 1065 333 686 939 LICB 1037 371 627 898 MAHB 1028 85 430 913 MATB 1230 133 695 1241 METB 2112 407 849 1839 MIAB 1015 252 560 1092 MOOB 0 162 109 449 MORB 1042 399 720 967 MSPB 1253 316 705 1173 NOWB 916 197 401 926 PATB 1164 405 682 960 REUB 929 377 600 902 REZB 2690 259 919 2371 RIKB 1203 337 592 943 RIPB 1820 648 589 1671 ROUB 3085 669 1438 2907 SANB 1135 256 795 1182 SCRB 940 580 755 942 SODB 1202 257 658 964 SPJB 4661 1723 2200 3964 STJB 1612 809 901 1434 SYPB 3324 1695 1590 3158 TLSB 1702 586 708 1304 TRIB 1135 490 852 1103 YASB 1203 445 916 1172 YEMB 2805 1246 1087 2365 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 11.9 14.7 11.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = 7.5 +- 1.5 mm TY = -6.4 +- 1.6 mm TZ = -26.5 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.3 +- 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) ------------------------------------------------------------------ 7 1.54 1.14 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr