****************************************************************************** dorisreport 19-Jun-2009 14:32:35 Message No 1677 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Updated Report for week 1531 = 09130 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1531 from 10-05-2009 to 16-05-2009 DORIS name (using day of start): 09130 Days of year: from 2009/130 to 2009/136 ============================================================== 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/ign09130wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09130wd09.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 1531 from 10-05-2009 to 16-05-2009 Total number of stations = 44 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 3.99 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 10-05-2009 23149 9 23140 0.0 11-05-2009 23756 5 23751 0.0 12-05-2009 24140 8 24132 0.0 13-05-2009 24083 14 24069 0.1 14-05-2009 23822 11 23811 0.0 15-05-2009 23981 58 23923 0.2 16-05-2009 24155 95 24060 0.4 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 8188 8413 8568 8832 8465 8313 8626 SPOT2 1808 1823 1870 1860 1906 1779 1747 SPOT4 4912 4973 5200 4916 4837 5154 5093 SPOT5 8232 8542 8494 8461 8603 8677 8594 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.454 0.425 0.433 0.445 0.449 0.477 0.473 SPOT2 0.436 0.424 0.438 0.440 0.442 0.415 0.448 SPOT4 0.417 0.413 0.432 0.431 0.455 0.453 0.428 SPOT5 0.412 0.390 0.401 0.416 0.422 0.458 0.430 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 1652 1610 1613 1722 1572 1683 1742 AMVB 474 425 362 501 476 495 417 ARFB 366 385 308 279 403 265 380 BEMB 1447 1431 1440 1493 1388 1404 1561 BETB 468 448 333 378 360 358 407 CADB 0 438 496 499 507 406 427 CHAB 663 654 671 582 598 685 606 CIDB 422 369 375 426 392 456 511 CRQB 409 389 369 369 373 398 383 DIOB 385 379 380 361 392 344 328 DJIB 432 413 333 400 421 456 338 EASB 384 405 478 426 409 425 361 EVEB o 248 231 253 255 247 236 251 FAIB o 927 895 971 897 892 863 999 GAVB 267 243 197 224 235 234 252 HBMB 505 390 469 472 400 488 465 HEMB 348 409 460 343 397 352 272 JIUB 501 385 371 459 428 532 482 KETB 409 461 571 434 499 472 472 KIUB 544 483 454 477 468 525 503 KOLB 0 200 492 531 463 429 606 KRUB 0 213 423 402 382 368 375 LICB 430 382 432 341 162 384 358 MANB o 408 460 410 426 397 417 413 METB 611 600 607 581 550 604 594 MIAB 346 449 348 294 429 361 396 MOOB 454 423 561 457 496 595 510 MSPB 424 507 550 527 415 434 513 NOWB 417 335 360 384 367 300 337 PATB 331 347 367 389 431 374 477 REUB o 437 327 338 352 358 385 340 REZB 600 661 672 606 665 607 552 RILB 372 415 493 412 353 362 405 RIQB 614 661 639 670 657 567 622 ROUB 1069 1075 1106 931 1035 1111 929 SANB 497 406 344 408 356 412 395 SCRB 441 379 418 414 393 453 340 SODB o 413 364 380 386 315 450 415 SPJB 1239 1390 1377 1262 1400 1354 1296 STJB o 518 660 575 577 723 514 579 SYPB 1229 1269 1207 1422 1357 1195 1333 THUB 1277 1246 1131 1247 1169 1312 1203 TLSB 609 541 600 611 560 523 501 YASB 519 544 470 492 555 437 522 6.2) stations rejected from solution ------------------------------------ the following stations were not given in the output sinex solutions : day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- ASDB 15 0 0 0 0 0 0 this is due to the lack of data or to some stations related problems as described below 6.3) statistics per station and per satellite (stations in sinex) ----------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 ------------------------------------- ADFB 3909 1792 3060 3251 AMVB 1235 331 651 1103 ARFB 1116 52 505 982 BEMB 4422 350 1868 4003 BETB 1172 311 656 944 CADB 1001 337 694 885 CHAB 1698 382 1192 1390 CIDB 1251 268 674 989 CRQB 1200 113 455 1103 DIOB 875 242 728 888 DJIB 1104 218 740 953 EASB 1125 343 882 1001 EVEB 541 201 380 745 FAIB 2802 351 1143 2541 GAVB 929 145 0 804 HBMB 1260 355 746 976 HEMB 1065 444 376 899 JIUB 1346 179 889 1105 KETB 1431 231 524 1291 KIUB 1404 239 1104 1217 KOLB 1247 292 966 1022 KRUB 1136 157 647 930 LICB 1089 217 595 848 MANB 1271 236 607 1023 METB 1885 219 560 1829 MIAB 1162 131 571 1083 MOOB 1313 387 884 1103 MSPB 1362 336 707 1162 NOWB 1187 220 322 1010 PATB 1226 207 540 1032 REUB 1059 175 521 949 REZB 2223 130 675 1791 RILB 1173 262 678 972 RIQB 1979 353 620 1688 ROUB 3194 273 1165 2865 SANB 1291 46 444 1193 SCRB 1163 212 678 948 SODB 1222 143 620 1000 SPJB 3740 932 1708 3319 STJB 1646 493 922 1408 SYPB 3823 1126 1143 3265 THUB 3332 562 1597 3468 TLSB 1709 301 781 1348 YASB 1353 362 803 1157 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 ------------------------------------- ASDB 12 0 15 10 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 11.7 15.6 9.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -13.7 +- 1.3 mm TY = -0.5 +- 1.2 mm TZ = 17.0 +- 1.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.1 +- 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 0.58 0.45 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr