****************************************************************************** dorisreport 20-Mar-2008 22:22:44 Message No 1202 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1467 = 08048 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1467 from 17-02-2008 to 23-02-2008 DORIS name (using day of start): 08048 Days of year: from 2008/48 to 2008/54 ============================================================== 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/ign08048wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08048wd06.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 1467 from 17-02-2008 to 23-02-2008 Total number of stations = 50 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.11 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 17-02-2008 20248 4 20244 0.0 18-02-2008 20324 1 20323 0.0 19-02-2008 20637 13 20624 0.1 20-02-2008 20614 10 20604 0.0 21-02-2008 20801 12 20789 0.1 22-02-2008 20493 7 20486 0.0 23-02-2008 20637 2 20635 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 6289 6318 6243 6244 6383 6223 6305 SPOT2 2631 2502 2968 2716 2686 2628 2561 SPOT4 4460 4395 4448 4606 4520 4678 4592 SPOT5 6864 7108 6965 7038 7200 6957 7177 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.400 0.394 0.416 0.436 0.434 0.410 0.404 SPOT2 0.419 0.431 0.420 0.424 0.422 0.420 0.434 SPOT4 0.436 0.425 0.418 0.423 0.419 0.421 0.421 SPOT5 0.376 0.378 0.377 0.399 0.388 0.381 0.373 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 --------------------------------------------------------------- AMUB 544 470 481 390 480 463 497 ARFB 371 449 451 396 467 466 434 ASDB o 304 323 375 280 257 280 284 BEMB 1395 1473 1542 1468 1336 1268 1540 BETB 373 343 407 366 373 442 353 CADB 519 396 489 480 412 432 507 CHAB 685 698 693 766 641 666 682 CICB 391 431 511 405 373 370 425 CRPB 248 304 243 229 259 298 317 DIOB 442 361 348 411 422 435 395 DJIB 403 417 493 371 431 438 428 EASB 402 438 395 380 451 393 406 EVEB o 56 20 56 155 304 242 276 FAIB o 1066 1049 1107 1083 1050 1032 955 FUTB 383 449 347 336 410 366 394 GAVB 245 307 262 266 192 215 286 GREB 458 423 524 497 449 494 493 HEMB 297 275 262 327 409 288 284 JIUB 485 580 626 433 489 550 547 KETB 419 440 441 553 565 413 384 KIUB 537 590 580 511 550 547 615 KOLB 497 521 585 672 548 512 579 KRUB 426 375 450 325 369 405 378 LICB 409 333 414 472 402 481 333 MAHB 306 232 352 289 281 219 186 MALB 28 95 125 47 147 0 100 MATB o 362 442 449 422 385 351 397 METB 576 653 685 675 654 622 676 MIAB 442 431 427 482 405 363 455 MOOB 517 554 511 515 547 575 444 MSPB 455 459 544 517 580 481 410 NOWB 364 360 308 354 281 316 363 PATB 402 403 487 448 407 511 410 PDMB 10 0 11 52 17 25 19 REUB 324 394 412 435 337 425 366 REZB 733 863 825 855 893 778 820 RIKB 432 410 376 425 463 338 313 RIPB 637 672 631 622 535 624 620 ROUB 1263 1127 1116 1275 1215 1197 1096 SALB 549 475 332 396 518 409 502 SCRB 346 409 428 440 368 429 409 SODB o 388 362 379 356 296 345 413 SPJB 1815 1732 1657 1593 1694 1825 1618 STJB o 573 656 620 585 786 597 592 SYPB 1385 1202 1095 1263 1410 1381 1181 THUB 0 0 0 154 297 223 346 TLSB 504 582 600 525 555 626 615 TRIB o 481 444 413 595 440 448 530 YASB 565 464 479 546 570 484 489 YEMB 1000 990 940 852 816 975 1012 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 ------------------------------------- AMUB 1213 542 600 1150 ARFB 1105 471 703 1014 ASDB 836 148 543 859 BEMB 4498 444 1700 3954 BETB 1051 266 677 865 CADB 1221 315 837 1039 CHAB 1643 886 1139 1362 CICB 1197 391 526 1004 CRPB 873 116 384 737 DIOB 896 464 726 894 DJIB 1108 387 852 952 EASB 1150 343 879 977 EVEB 219 270 339 377 FAIB 3148 640 1106 2865 FUTB 1082 371 537 963 GAVB 964 148 2 834 GREB 1445 298 588 1194 HEMB 1098 199 272 812 JIUB 1338 586 832 1126 KETB 1406 172 635 1183 KIUB 1487 478 1134 1291 KOLB 1326 735 1014 1076 KRUB 1185 281 639 910 LICB 1059 422 763 929 MAHB 928 31 294 842 MALB 0 374 0 189 MATB 1303 116 462 1206 METB 1844 440 680 1858 MIAB 1206 300 645 1030 MOOB 1308 450 938 1113 MSPB 1296 391 796 1107 NOWB 965 253 410 865 PATB 1237 346 701 1009 PDMB 3 53 588 0 REUB 983 426 573 1001 REZB 2742 328 705 2325 RIKB 1168 319 593 952 RIPB 2010 512 326 1704 ROUB 3303 813 1491 2936 SALB 1233 514 776 915 SCRB 1088 295 655 955 SODB 1164 230 515 982 SPJB 5079 1656 1779 3912 STJB 1709 603 847 1437 SYPB 3513 1482 1198 3050 THUB 13 687 1175 7 TLSB 1641 453 798 1290 TRIB 1207 520 846 1071 YASB 1273 584 912 1069 YEMB 2918 799 976 2305 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 13.9 17.7 11.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = 8.2 +- 2.1 mm TY = 3.5 +- 2.1 mm TZ = 34.5 +- 2.1 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 0.76 0.81 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr