****************************************************************************** dorisreport 19-Oct-2006 22:40:12 Message No 0711 ****************************************************************************** Author: Pascal Willis Subject: IGN/JPL DORIS Report for week 1392 = 06253 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1392 from 10-09-2006 to 16-09-2006 DORIS name (using day of start): 06253 Days of year: from 2006/253 to 2006/259 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone 1-818-393-4748 FAX 1-818-393-4965 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/ign06253wd05.snx.Z weekly sinex in ITRF2000 pub/doris/products/sinex_series/ignwd/ign06253wd04.snx.Z geocenter series pub/doris/products/geoc/ign03wd01.geoc.Z Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.Z 3) Analysis Strategy ==================== The DORIS data have been processed using the Gipsy/Oasis software at 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 ITRF2000 pub/doris/products/sinex_series/ignwd/ignwd04.snx.dsc geocenter series pub/doris/products/geoc/ign03wd01.geoc.dsc Earth Orientation Parameters time series pub/doris/products/eop/ign03wd01.eop.dsc For references, the following papers are recommended : Willis, P., M. Heflin (2004), External validation of the GRACE GGM01C gravity field using GPS and DORIS positioning results, Geophys. Res. Lett., 31(13), L13616, DOI:10.1029/2004GL020038. 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 = 93003 : See DORISMail #0288, start of the time series Week 1281 = 04207 : Estimate DORIS wet tropospheric delay per measurement using a randomwalk approch (Psigma = 5 cm per day) no horizontal gradients used yet. See DORISMail #0345 Week 1287 = 04249 : Start using cumulative solution ign04d02 to perform the ITRF2000 transformation (when needed) Week 1293 = 04291 : Start using actual mass information for all satellites (as provided in the new *mass.txt files) instead of nominal values as before Week 1341 = 05261 : Do not estimate the constant term of the relativity correction (this is already done by CNES by modifying the on-board oscillator, exactly like for GPS). Use a cutoff angle of 15 degrees (before that, no cutoff angle was used but now CNES is delivering data at very low elevation. Do not estimate tropospheric correction as random walk anymore. Use 1 parameter per hour (maximum) + 2.5 cm@ 1d as constraint. 4) Global Statistics ==================== GPS week number 1392 from 10-09-2006 to 16-09-2006 Total number of stations = 51 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.12 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 10-09-2006 17182 24 17158 0.1 11-09-2006 19718 22 19696 0.1 12-09-2006 19860 74 19786 0.4 13-09-2006 19340 69 19271 0.4 14-09-2006 21392 17 21375 0.1 15-09-2006 21354 25 21329 0.1 16-09-2006 21396 20 21376 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 0 2706 3637 2828 4733 4720 4746 SPOT2 4763 4610 4546 4597 4696 4642 4584 SPOT4 5134 5091 4843 4982 4832 4906 4905 SPOT5 7261 7289 6760 6864 7114 7061 7141 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.000 0.392 0.376 0.382 0.393 0.405 0.406 SPOT2 0.418 0.413 0.415 0.402 0.408 0.422 0.436 SPOT4 0.410 0.419 0.414 0.405 0.408 0.417 0.405 SPOT5 0.369 0.357 0.369 0.369 0.360 0.355 0.360 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 922 1143 1306 1204 1241 1268 1329 AMTB 316 438 474 293 406 0 0 ARFB 241 293 342 288 277 311 395 ASDB 280 298 305 255 296 319 359 CADB 358 350 406 258 251 286 473 CHAB 512 577 662 588 492 442 548 CICB 348 358 436 360 346 416 397 CROB 224 328 260 307 323 292 254 DIOB 344 334 384 413 420 403 562 DJIB 332 308 369 419 371 361 455 EASB 406 329 383 364 459 479 465 EVEB 192 167 223 214 243 206 276 FAIB o 677 725 830 781 786 878 898 FUTB 299 320 275 338 320 398 407 GAVB 114 166 207 109 191 205 126 GREB 275 333 457 417 397 425 458 HBKB 324 370 429 366 415 445 144 HEMB 0 0 0 0 313 240 279 JIUB 367 462 521 374 382 598 426 KESB 181 59 0 104 0 0 0 KIUB 426 453 460 460 470 501 567 KOLB 352 441 534 447 431 469 548 KRUB 317 309 397 305 295 353 325 LICB 291 283 327 299 308 340 416 MAHB 229 264 294 275 303 310 388 MALB 335 231 303 334 422 402 297 MANB o 0 0 0 0 64 205 127 MATB 333 358 331 390 408 354 271 METB 473 609 600 601 574 624 739 MIAB 260 305 405 403 321 335 372 MONB 389 460 483 382 500 500 357 MORB 323 394 452 395 426 422 444 NOWB 252 385 309 423 360 319 313 PAQB 345 425 300 369 398 458 491 PDMB 299 326 335 377 449 313 411 REUB 279 299 436 291 309 356 375 REZB 345 611 560 548 550 465 371 RIPB 403 532 593 427 529 583 600 ROTB 846 1004 1130 1193 1212 1168 937 SALB 327 371 354 355 469 415 371 SANB 300 404 468 382 364 416 500 SCRB 275 301 389 351 255 342 302 SODB o 273 144 228 314 158 205 241 SPJB 908 1187 1250 976 1282 1233 995 STJB 375 503 481 434 620 551 547 SYPB 973 1058 1307 1276 1311 1266 1452 THUB 958 1033 948 1026 1125 1175 1293 TLHA 300 376 0 0 392 381 539 TRIB o 363 411 337 537 474 388 524 YASB 335 389 465 567 497 421 300 YELB 585 656 681 660 755 807 756 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 ------------------------------------- ADEB 2386 1606 1693 3166 AMTB 405 438 397 805 ARFB 481 457 471 871 ASDB 457 450 505 849 CADB 423 673 647 774 CHAB 556 973 1157 1329 CICB 471 630 798 928 CROB 347 449 521 795 DIOB 589 850 742 860 DJIB 527 641 689 919 EASB 372 942 963 884 EVEB 206 369 342 647 FAIB 967 1048 1219 2515 FUTB 451 604 603 867 GAVB 443 0 0 823 GREB 650 654 517 1127 HBKB 476 630 623 902 HEMB 255 211 134 286 JIUB 647 714 1000 1033 KESB 0 82 102 176 KIUB 398 951 1016 1199 KOLB 532 923 931 1044 KRUB 301 582 629 887 LICB 549 536 649 758 MAHB 486 416 392 886 MALB 380 627 678 805 MANB 309 133 0 0 MATB 497 435 543 1123 METB 1020 763 827 1778 MIAB 432 522 636 957 MONB 558 744 862 1099 MORB 526 721 802 975 NOWB 424 549 569 982 PAQB 399 780 811 974 PDMB 480 550 644 984 REUB 636 473 480 921 REZB 881 422 800 1469 RIPB 893 547 618 1767 ROTB 1514 1417 1633 3174 SALB 496 692 720 918 SANB 539 593 708 1189 SCRB 306 495 667 891 SODB 309 313 391 645 SPJB 1209 1745 1689 3430 STJB 668 874 858 1299 SYPB 2186 1815 1803 3163 THUB 1436 1652 1770 2900 TLHA 498 261 418 898 TRIB 548 844 773 1053 YASB 483 841 847 987 YELB 1228 885 863 2143 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 ign04d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 16.5 14.7 17.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign04d02 TX = -20.4 +- 2.5 mm TY = 19.9 +- 2.3 mm TZ = 72.1 +- 2.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2000 using reference ign04d02 S = -1.0 +- 0.3 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 0.93 0.58 ============================================================== Cliquez sur l'url suivante https://www.mailcontrol.com/sr/QZT!NhtmKWB2Um2QOrBy11sozyW79bksSryzYUiMSlKqQrXCcBpeTd2ItlN+pk3Q2mMONWiMMXbGa0BAPQMA84hFAAtbAS8Qx1IiVdoR5LK7q1UcskuMxUmS2CYLXw0gj6dPx8NbdgN0uCSNGSLHz4!IqYD++FuF+gG4!vHIZZSPk+MjCJXRZbCAwKo2DB1w8w3iVM3m+Tj5x1eRwRYjKKHfk8N2VV25 si ce message est indésirable (pourriel). Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr