****************************************************************************** dorisreport 13-May-2009 14:46:45 Message No 1624 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1524 = 09081 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1524 from 22-03-2009 to 28-03-2009 DORIS name (using day of start): 09081 Days of year: from 2009/81 to 2009/87 ============================================================== 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/ign09081wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09081wd09.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 1524 from 22-03-2009 to 28-03-2009 Total number of stations = 44 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.52 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 22-03-2009 24353 7 24346 0.0 23-03-2009 24488 9 24479 0.0 24-03-2009 24166 13 24153 0.1 25-03-2009 21297 5 21292 0.0 26-03-2009 23806 4 23802 0.0 27-03-2009 23279 14 23265 0.1 28-03-2009 22818 12 22806 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 8670 9030 8365 8205 8514 8298 7935 SPOT2 2124 1712 1767 2016 1967 2094 1979 SPOT4 5029 5055 5266 2911 5131 4822 4728 SPOT5 8523 8682 8755 8160 8190 8051 8164 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.442 0.430 0.442 0.450 0.436 0.464 0.465 SPOT2 0.429 0.438 0.432 0.485 0.438 0.436 0.420 SPOT4 0.417 0.430 0.436 0.429 0.424 0.420 0.422 SPOT5 0.406 0.403 0.408 0.397 0.404 0.427 0.425 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 1565 1631 1569 1409 1666 1649 1498 AMUB 432 512 431 423 424 509 446 ARFB 337 399 328 396 261 208 345 ASDB o 273 344 343 268 366 354 298 BEMB 1550 1458 1344 261 1527 1490 1500 BETB 350 462 445 327 372 318 370 CADB 398 392 506 400 493 423 445 CHAB 644 652 664 619 621 598 608 CIDB 426 436 393 415 511 389 380 CRPB 429 326 446 218 0 0 0 DIOB 348 359 372 370 336 353 400 DJIB 437 417 404 390 424 348 381 EASB 463 331 372 324 407 244 503 EVEB o 255 228 207 193 228 330 244 FAIB o 979 1015 840 1024 906 965 1008 GREB 437 434 420 501 492 490 521 HBMB 453 427 446 481 36 0 0 HEMB 425 390 375 360 351 408 364 JIUB 458 460 424 499 557 388 0 KETB 557 523 444 424 488 565 533 KIUB 557 541 532 426 539 529 479 KOLB 489 531 490 522 493 570 394 KRUB 376 346 388 362 356 413 385 MANB o 439 392 437 325 331 431 348 METB 627 573 669 639 582 582 523 MIAB 328 349 443 382 469 407 375 MOOB 551 524 520 419 448 568 538 MORB o 394 382 472 362 466 426 382 MSPB 464 445 446 401 512 487 436 NOWB 352 411 334 261 298 384 177 PATB 488 479 342 327 400 411 433 REUB o 370 408 380 318 291 311 335 REZB 707 639 620 581 591 655 712 RIQB 666 652 649 713 622 670 657 ROUB 931 1020 1061 1012 1096 912 936 SANB 379 340 446 322 404 433 306 SCRB 430 370 256 301 445 374 336 SODB o 356 370 373 334 429 310 374 SPJB 1425 1524 1472 1186 1394 1390 1460 STJB o 627 569 598 563 569 552 694 SYPB 1202 1262 1218 1206 1333 1255 1249 THUB 1163 1188 1219 1137 1131 1088 1324 TLSB 541 706 532 554 589 608 623 YASB 406 393 495 423 513 509 439 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 3849 1512 2908 3177 AMUB 1234 375 568 1142 ARFB 1000 189 558 925 ASDB 993 156 486 903 BEMB 4015 397 1686 3492 BETB 1170 207 571 938 CADB 1130 374 734 982 CHAB 1714 396 1115 1387 CIDB 1206 289 687 981 CRPB 645 119 197 556 DIOB 936 207 727 831 DJIB 1144 182 804 958 EASB 1091 223 832 965 EVEB 541 181 390 752 FAIB 2977 457 1135 2585 GREB 1440 234 544 1205 HBMB 1094 338 581 975 HEMB 1258 255 333 1014 JIUB 1114 369 587 955 KETB 1665 170 646 1287 KIUB 1380 328 1037 1250 KOLB 1279 453 938 1030 KRUB 1193 157 629 924 MANB 1248 213 486 993 METB 1853 304 508 1794 MIAB 1147 213 584 978 MOOB 1371 350 840 1196 MORB 1112 261 684 959 MSPB 1298 187 673 1190 NOWB 1145 292 277 836 PATB 1231 209 693 1025 REUB 992 155 526 929 REZB 2129 224 632 1899 RIQB 1944 521 782 1623 ROUB 3201 434 739 2872 SANB 1257 226 225 1092 SCRB 1000 299 615 880 SODB 1225 189 453 1005 SPJB 4236 1128 1517 3316 STJB 1677 324 891 1469 SYPB 3716 967 1143 3254 THUB 3073 463 1491 3533 TLSB 1682 583 739 1311 YASB 1276 478 640 1034 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 10.3 13.4 12.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -2.0 +- 1.0 mm TY = -0.9 +- 0.9 mm TZ = 27.0 +- 0.9 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.6 +- 0.1 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 0.46 0.65 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