****************************************************************************** dorisreport 19-May-2009 22:53:01 Message No 1638 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1526 = 09095 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1526 from 05-04-2009 to 11-04-2009 DORIS name (using day of start): 09095 Days of year: from 2009/95 to 2009/101 ============================================================== 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/ign09095wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09095wd09.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 1526 from 05-04-2009 to 11-04-2009 Total number of stations = 47 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.75 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 05-04-2009 21995 20 21975 0.1 06-04-2009 21392 29 21363 0.1 07-04-2009 16478 3 16475 0.0 08-04-2009 21130 4 21126 0.0 09-04-2009 21470 4 21466 0.0 10-04-2009 23478 10 23468 0.0 11-04-2009 23772 10 23762 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 7895 7607 3022 7752 7567 8042 8257 SPOT2 1715 1524 1679 1480 1378 2105 2073 SPOT4 4580 4431 3904 4031 4388 4838 4984 SPOT5 7785 7801 7870 7863 8133 8483 8448 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.480 0.491 0.417 0.429 0.429 0.442 0.440 SPOT2 0.412 0.436 0.431 0.454 0.416 0.451 0.432 SPOT4 0.430 0.427 0.431 0.440 0.426 0.438 0.428 SPOT5 0.428 0.453 0.411 0.413 0.417 0.403 0.407 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 0 0 0 0 0 1249 1735 AMUB 431 440 0 0 0 0 0 AMVB 0 0 0 0 0 254 187 ARFB 439 335 275 296 420 481 377 ASDB o 23 58 114 39 24 69 144 BEMB 1555 1371 920 1335 1348 1498 1477 BETB 360 342 290 473 321 370 377 CADB 467 422 276 450 499 419 478 CHAB 666 614 485 679 616 704 593 CIDB 409 383 415 418 422 433 450 CRQB 0 131 152 188 225 184 189 DIOB 366 385 371 371 413 331 388 DJIB 450 435 233 372 365 350 363 EASB 405 429 320 376 374 402 376 EVEB o 242 296 293 182 221 224 239 FAIB o 937 993 830 944 876 1001 942 GREB 469 439 363 415 418 270 0 HEMB 381 274 325 394 422 436 230 JIUB 0 0 0 0 0 281 440 KETB 464 530 438 457 448 453 493 KIUB 550 511 430 523 493 518 489 KOLB 573 507 381 488 534 518 579 KRUB 445 421 308 324 403 431 365 MAHB 305 241 239 343 283 148 0 MALB 377 402 358 403 372 389 412 MANB o 444 388 386 412 410 443 479 METB 673 591 447 583 593 596 585 MIAB 444 371 316 390 465 439 427 MOOB 582 473 392 510 486 474 416 MORB o 369 410 376 407 461 383 455 NOWB 350 354 317 336 431 280 425 PATB 397 399 359 401 414 363 364 REUB o 314 290 166 297 315 321 344 REZB 589 781 648 583 620 654 680 RILB 0 186 131 157 114 166 184 RIQB 620 619 412 514 745 697 661 ROUB 1118 1082 861 1184 1045 1088 1145 SANB 420 352 311 509 427 407 432 SCRB 410 394 277 340 326 397 416 SODB o 357 313 294 410 330 401 367 SPJB 1258 1382 1257 1441 1419 1314 1472 STJB o 546 624 614 499 714 573 563 SYPB 1359 1193 1073 1332 1128 1294 1266 THUB 1248 1054 1053 1123 1252 1364 1091 TLSB 562 528 324 690 530 585 607 YASB 572 508 394 434 486 532 535 YEMB 0 0 0 0 125 239 511 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 3210 1514 2890 2820 AMUB 349 108 161 308 AMVB 0 160 0 309 ARFB 1007 324 474 942 ASDB 210 0 66 305 BEMB 4170 327 1540 3988 BETB 1121 144 600 913 CADB 1138 276 843 967 CHAB 1592 481 1111 1362 CIDB 1236 259 696 943 CRQB 0 152 0 1007 DIOB 822 327 722 859 DJIB 1103 186 632 922 EASB 1040 195 823 1095 EVEB 549 108 420 757 FAIB 2760 509 1164 2570 GREB 1020 122 412 959 HEMB 1063 341 327 1047 JIUB 850 194 473 680 KETB 1519 90 650 1289 KIUB 1345 295 1034 1186 KOLB 1230 529 1089 1003 KRUB 1163 232 651 999 MAHB 888 20 489 853 MALB 1024 334 677 934 MANB 1269 270 665 963 METB 1741 199 584 1792 MIAB 1120 256 642 1069 MOOB 1286 403 824 1104 MORB 1091 299 730 932 NOWB 1165 194 353 985 PATB 1188 304 650 957 REUB 966 80 388 908 REZB 2122 280 685 1904 RILB 0 180 0 805 RIQB 1886 460 506 1668 ROUB 3014 388 1469 2921 SANB 1287 135 534 1105 SCRB 1074 172 691 926 SODB 1155 150 549 927 SPJB 3924 967 1724 3340 STJB 1657 402 912 1426 SYPB 3582 1045 1216 3304 THUB 2989 617 1539 3393 TLSB 1529 362 805 1312 YASB 1323 294 871 1185 YEMB 1653 121 606 1482 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 23.2 27.1 15.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 2.3 +- 1.7 mm TY = 11.6 +- 1.5 mm TZ = 49.2 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.6 +- 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 0.63 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr