****************************************************************************** dorisreport 21-Jan-2008 17:54:31 Message No 1132 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1457 = 07343 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1457 from 09-12-2007 to 15-12-2007 DORIS name (using day of start): 07343 Days of year: from 2007/343 to 2007/349 ============================================================== 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/ign07343wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign07343wd06.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 1457 from 09-12-2007 to 15-12-2007 Total number of stations = 49 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 1.76 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 09-12-2007 18222 24 18198 0.1 10-12-2007 18387 5 18382 0.0 11-12-2007 18251 6 18245 0.0 12-12-2007 18726 3 18723 0.0 13-12-2007 18573 1 18572 0.0 14-12-2007 18707 7 18700 0.0 15-12-2007 18691 9 18682 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 6250 6460 6119 6465 6365 6410 6568 SPOT4 4920 4856 4821 4883 4911 4984 4911 SPOT5 7028 7066 7305 7375 7296 7306 7203 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.433 0.414 0.400 0.391 0.404 0.403 0.423 SPOT4 0.417 0.423 0.435 0.424 0.434 0.442 0.437 SPOT5 0.378 0.373 0.379 0.370 0.380 0.380 0.392 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 1175 1226 1155 1187 1219 1211 1270 AMUB 369 405 419 419 405 378 392 ARFB 314 346 353 354 357 317 357 ASDB o 267 235 267 258 258 297 326 BEMB 1417 1408 1356 1318 1376 1458 1438 BETB 345 332 365 347 344 192 0 CADB 356 324 306 403 366 353 374 CHAB 590 576 582 565 595 555 596 CICB 380 369 416 390 400 325 331 CRPB 150 245 194 260 250 213 257 DIOB 338 324 336 337 319 318 334 DJIB 355 376 399 365 382 364 352 EASB 370 426 353 323 381 377 358 FAIB o 1001 1003 991 936 1040 921 976 FUTB 314 364 385 318 286 327 336 GREB 479 448 466 406 462 428 437 HBMB 303 398 404 400 367 325 369 HEMB 332 416 281 287 306 275 328 JIUB 349 469 480 456 425 360 423 KETB 503 506 449 469 467 480 473 KIUB 505 514 527 538 478 511 501 KOLB 467 364 465 474 455 459 384 KRUB 347 341 261 362 227 300 304 LICB 313 316 377 351 307 334 303 MAHB 130 284 296 328 292 288 282 MALB 0 341 334 363 356 364 358 MATB o 484 443 450 447 438 480 477 METB 661 650 630 630 648 647 654 MIAB 416 329 320 423 389 323 352 MONB 401 495 483 474 0 0 0 MORB 358 372 393 352 366 409 346 MSPB 503 405 349 416 469 530 465 NOWB 261 237 254 304 305 233 255 PATB 381 378 376 401 338 387 383 REUB 306 270 369 339 307 336 300 REZB 805 790 802 807 840 778 722 RIKB 0 0 0 0 0 394 367 RIPB 569 531 555 584 580 588 504 ROUB 1061 918 905 1161 1010 995 940 SANB 435 332 364 433 448 399 418 SCRB 353 418 383 382 370 392 379 SODB o 344 313 429 392 368 408 334 SPJB 1504 1521 1447 1465 1551 1489 1505 STJB o 552 594 552 536 619 534 491 SYPB 1157 1155 1149 1111 1084 1146 1174 TLSB 498 500 409 501 511 512 486 TRIB o 527 392 382 421 385 434 451 YASB 547 470 348 461 481 411 499 YEMB 0 0 0 0 313 706 834 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 SPOT4 SPOT5 ----------------------------- ADEB 3777 1750 3181 AMUB 1197 638 1095 ARFB 1034 544 933 ASDB 858 533 784 BEMB 4471 1797 4060 BETB 943 648 752 CADB 982 814 836 CHAB 1644 1222 1366 CICB 1148 719 940 CRPB 903 144 669 DIOB 859 720 838 DJIB 1077 780 928 EASB 1122 899 1084 FAIB 3200 1185 2869 FUTB 1075 597 959 GREB 1400 772 1124 HBMB 1153 674 920 HEMB 947 510 929 JIUB 1222 787 1138 KETB 1436 854 1207 KIUB 1483 1218 1234 KOLB 1330 990 1000 KRUB 1123 655 907 LICB 1048 535 928 MAHB 979 428 847 MALB 855 667 779 MATB 1275 890 1210 METB 2123 831 1869 MIAB 1187 554 1014 MONB 749 494 684 MORB 1035 817 939 MSPB 1223 864 1189 NOWB 957 216 817 PATB 1244 645 1003 REUB 951 612 845 REZB 2789 769 2327 RIKB 503 293 450 RIPB 1836 619 1634 ROUB 3249 1102 2897 SANB 1251 696 1087 SCRB 1074 735 978 SODB 1175 649 949 SPJB 4676 2235 3936 STJB 1699 958 1398 SYPB 3572 1588 3110 TLSB 1578 679 1312 TRIB 1254 910 1125 YASB 1298 920 1120 YEMB 2411 796 1896 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT 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 16.6 17.9 15.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = 5.6 +- 1.4 mm TY = -9.4 +- 1.5 mm TZ = -25.0 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.7 +- 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 1.77 1.17 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr