****************************************************************************** dorisreport 18-Dec-2007 08:32:48 Message No 1097 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1453 = 07315 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1453 from 11-11-2007 to 17-11-2007 DORIS name (using day of start): 07315 Days of year: from 2007/315 to 2007/321 ============================================================== 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/ign07315wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign07315wd06.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 1453 from 11-11-2007 to 17-11-2007 Total number of stations = 48 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.12 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 11-11-2007 21324 12 21312 0.1 12-11-2007 19646 2 19644 0.0 13-11-2007 19306 11 19295 0.1 14-11-2007 18772 4 18768 0.0 15-11-2007 20176 13 20163 0.1 16-11-2007 21175 2 21173 0.0 17-11-2007 21231 0 21231 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 6046 5940 6042 5572 5952 6382 6126 SPOT2 3449 1970 1893 2676 2792 2869 3136 SPOT4 4863 4857 4732 4320 4721 4803 4889 SPOT5 6954 6877 6628 6200 6698 7119 7080 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.394 0.416 0.447 0.438 0.457 0.413 0.397 SPOT2 0.443 0.431 0.427 0.429 0.411 0.427 0.428 SPOT4 0.417 0.433 0.427 0.422 0.436 0.419 0.425 SPOT5 0.380 0.384 0.392 0.387 0.402 0.377 0.371 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 1278 1359 1504 1492 1409 1560 1558 AMUB 447 431 423 543 478 492 518 ARFB 449 432 463 421 443 412 424 ASDB o 352 293 283 297 238 303 380 BEMB 1691 1597 1713 1686 1589 1520 1509 BETB 370 405 420 366 420 402 369 CADB 451 384 420 359 408 507 419 CHAB 675 613 640 693 698 638 665 CICB 232 0 0 0 382 488 506 CRPB 210 276 217 242 221 211 287 DIOB 423 379 351 366 304 410 367 DJIB 436 418 357 427 411 374 403 EASB 496 382 449 473 442 360 454 FAIB o 936 979 963 947 1095 958 1038 FUTB 401 321 337 340 475 394 342 GREB 531 534 520 452 508 530 518 HBMB 427 432 353 459 505 511 446 HEMB 349 306 329 427 374 310 301 JIUB 628 507 519 540 536 550 504 KETB 577 504 554 535 528 476 518 KIUB 665 549 482 540 591 590 551 KOLB 497 612 539 513 501 559 555 KRUB 337 354 367 413 327 402 320 LICB 407 369 356 212 450 425 377 MAHB 379 386 310 311 346 357 224 MALB 453 380 428 396 443 501 433 MATB o 559 396 546 475 470 436 416 METB 732 654 645 677 706 661 713 MIAB 497 458 489 380 392 384 438 MONB 507 511 452 490 547 550 528 MORB 495 462 294 440 429 475 432 MSPB 483 494 498 465 403 490 510 NOWB 335 278 317 292 278 358 392 PATB 428 433 450 443 389 444 430 REUB 381 345 417 296 373 421 374 REZB 650 579 698 736 594 651 692 RIPB 723 717 674 775 764 744 733 ROUB 0 0 0 0 0 33 219 SANB 526 468 500 450 403 501 524 SCRB 429 403 404 417 429 458 434 SODB o 444 397 354 359 459 443 373 SPJB 1538 1477 1372 1501 1543 1521 1421 STJB o 708 582 593 656 622 529 595 SYPB 1241 1226 741 0 530 1342 1262 TLSB 573 565 520 531 645 585 518 TRIB o 500 371 532 471 525 477 546 YASB 432 450 590 594 467 478 534 YEMB 394 407 361 132 618 689 545 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 3812 1830 1706 3228 AMUB 1240 477 651 1124 ARFB 1099 505 585 989 ASDB 878 193 498 800 BEMB 4782 1057 1971 4006 BETB 985 359 702 874 CADB 1092 353 839 941 CHAB 1618 654 1178 1370 CICB 929 302 693 772 CRPB 856 156 163 665 DIOB 898 412 723 891 DJIB 1046 371 789 948 EASB 1147 504 904 992 FAIB 2810 634 1253 2570 FUTB 1105 276 579 914 GREB 1372 472 718 1149 HBMB 1145 395 753 983 HEMB 1030 215 478 842 JIUB 1391 511 1081 1109 KETB 1494 342 855 1203 KIUB 1505 449 1153 1242 KOLB 1290 532 1038 1113 KRUB 1079 299 638 942 LICB 981 327 559 875 MAHB 1007 168 468 912 MALB 1069 559 737 900 MATB 1291 197 780 1190 METB 1951 472 846 1823 MIAB 1158 423 582 1083 MONB 1316 439 878 1097 MORB 1116 409 787 980 MSPB 1311 254 775 1166 NOWB 926 262 325 892 PATB 1218 475 576 1053 REUB 913 350 621 907 REZB 2371 285 587 1869 RIPB 2200 656 681 1823 ROUB 9 274 399 0 SANB 1401 219 713 1213 SCRB 1189 291 661 938 SODB 1157 199 680 992 SPJB 3913 1388 1831 3616 STJB 1605 581 993 1367 SYPB 2556 779 1051 2182 TLSB 1582 422 774 1336 TRIB 1242 524 833 1106 YASB 1405 404 868 1106 YEMB 1977 382 655 1709 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 12.2 10.8 13.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = 4.8 +- 1.7 mm TY = 0.3 +- 1.5 mm TZ = -13.6 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.0 +- 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 1.64 1.01 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr