****************************************************************************** dorisreport 19-May-2009 23:01:44 Message No 1639 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1527 = 09102 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1527 from 12-04-2009 to 18-04-2009 DORIS name (using day of start): 09102 Days of year: from 2009/102 to 2009/108 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-5727-8481 FAX +33-1-5727-8482 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/ign09102wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09102wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.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/ignwd08.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd09.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign09wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign09wd01.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 4) Global Statistics ==================== GPS week number 1527 from 12-04-2009 to 18-04-2009 Total number of stations = 44 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.78 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 12-04-2009 23179 9 23170 0.0 13-04-2009 22834 14 22820 0.1 14-04-2009 24305 6 24299 0.0 15-04-2009 21431 76 21355 0.4 16-04-2009 23688 4 23684 0.0 17-04-2009 23267 6 23261 0.0 18-04-2009 23256 27 23229 0.1 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 7873 7907 8570 7882 8383 8361 8332 SPOT2 1975 1825 1900 1929 1928 1787 1604 SPOT4 4800 4799 5228 3238 5088 4929 4826 SPOT5 8522 8289 8601 8306 8285 8184 8467 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.441 0.468 0.464 0.486 0.438 0.427 0.436 SPOT2 0.444 0.410 0.425 0.428 0.417 0.433 0.463 SPOT4 0.419 0.444 0.425 0.424 0.420 0.418 0.439 SPOT5 0.427 0.426 0.430 0.443 0.410 0.405 0.412 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 1544 1603 1736 1389 1492 1641 1589 AMVB 232 344 450 332 381 479 432 ARFB 318 289 361 346 241 295 421 ASDB o 52 21 0 0 0 0 0 BEMB 1536 1435 1460 1410 1442 1433 1470 BETB 382 434 425 445 397 400 426 CADB 486 372 435 358 402 387 470 CHAB 582 642 609 674 773 579 677 CIDB 434 294 412 409 330 447 383 CRQB 184 193 518 349 388 388 329 DIOB 356 354 330 391 355 365 345 DJIB 419 422 424 346 359 427 381 EASB 401 429 349 320 446 454 365 EVEB o 317 239 227 207 240 258 242 FAIB o 882 995 899 981 970 878 961 HBMB 0 0 0 0 0 424 456 HEMB 441 333 322 369 524 419 363 JIUB 434 499 521 390 416 445 411 KETB 498 488 435 485 562 532 494 KIUB 444 515 518 438 509 503 461 KOLB 456 420 587 541 517 567 507 KRUB 393 385 387 335 411 345 454 MALB 431 411 405 340 420 323 345 MANB o 377 427 393 359 405 407 382 METB 586 614 545 616 655 642 601 MIAB 510 363 406 380 437 349 437 MOOB 489 545 515 457 458 543 550 MORB o 378 381 503 310 376 174 0 PATB 407 418 455 419 371 458 401 REUB o 297 386 421 324 352 338 401 REZB 676 600 615 575 689 608 604 RILB 151 189 345 362 438 425 365 RIQB 619 585 651 637 574 647 633 ROUB 987 1110 1042 856 1130 945 1043 SANB 503 389 501 383 407 361 361 SCRB 328 421 378 281 458 438 350 SODB o 306 376 476 330 315 358 340 SPJB 1311 1350 1355 1247 1458 1337 1393 STJB o 671 596 515 490 614 588 556 SYPB 1316 1144 1227 1299 1228 1251 1406 THUB 1156 1349 1226 1050 1116 1121 1127 TLSB 518 515 617 333 317 0 0 YASB 474 512 474 490 538 456 420 YEMB 829 419 807 800 788 806 860 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 3823 1601 2844 3169 AMVB 889 348 470 1140 ARFB 1070 116 349 902 ASDB 54 0 22 54 BEMB 4457 365 1898 3936 BETB 1190 371 672 941 CADB 1188 216 755 922 CHAB 1727 474 1180 1375 CIDB 1215 219 522 980 CRQB 940 151 272 1129 DIOB 847 231 730 865 DJIB 1123 191 787 953 EASB 1135 266 831 1053 EVEB 531 194 418 742 FAIB 2855 444 1118 2620 HBMB 954 491 493 835 HEMB 1231 357 376 1011 JIUB 1279 256 647 1198 KETB 1614 167 638 1287 KIUB 1412 225 986 1250 KOLB 1321 510 933 1041 KRUB 1251 182 658 926 MALB 1013 266 711 904 MANB 1239 195 572 997 METB 1855 294 570 1797 MIAB 1198 391 511 976 MOOB 1349 372 856 1172 MORB 843 171 513 747 PATB 1229 219 735 1032 REUB 1028 202 560 938 REZB 2055 296 589 1849 RILB 809 236 392 1006 RIQB 1954 404 598 1622 ROUB 3205 334 1004 2870 SANB 1290 208 457 1133 SCRB 1087 185 680 952 SODB 1187 225 451 992 SPJB 4159 794 1550 3323 STJB 1689 249 854 1470 SYPB 3749 1047 1237 3277 THUB 3026 483 1492 3512 TLSB 1336 412 600 1100 YASB 1397 400 701 1073 YEMB 2502 545 857 2167 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 ign09d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 21.5 65.4 33.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -40.1 +- 1.6 mm TY = -20.8 +- 1.2 mm TZ = 27.2 +- 1.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -5.0 +- 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 0.85 0.52 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