****************************************************************************** dorisreport 31-Mar-2010 07:25:20 Message No 1980 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1572 = 10052 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1572 from 21-02-2010 to 27-02-2010 DORIS name (using day of start): 10052 Days of year: from 2010/52 to 2010/58 ============================================================== 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/ign10052wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10052wd09.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 Changes in data processing: #week 1568: goa-test.2010.03.25b Use Bulletin-A as a priori instead of Bulletin-B 4) Global Statistics ==================== GPS week number 1572 from 21-02-2010 to 27-02-2010 Total number of stations = 45 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.26 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 21-02-2010 23174 5 23169 0.0 22-02-2010 21469 8 21461 0.0 23-02-2010 22762 5 22757 0.0 24-02-2010 22785 5 22780 0.0 25-02-2010 21869 29 21840 0.1 26-02-2010 22271 22 22249 0.1 27-02-2010 22204 36 22168 0.2 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 8996 7681 8881 8674 8572 8566 8662 SPOT4 5090 5113 5299 5282 4737 4963 5024 SPOT5 9083 8667 8577 8824 8531 8720 8482 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.452 0.442 0.448 0.443 0.447 0.448 0.446 SPOT4 0.436 0.430 0.447 0.425 0.406 0.433 0.427 SPOT5 0.412 0.408 0.403 0.405 0.420 0.415 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 1428 1406 1410 1417 1378 1428 1456 AMVB 430 402 403 175 0 420 413 ARFB 233 253 341 299 250 294 250 BADB 548 550 504 516 512 575 527 BEMB 1457 1448 1451 1354 1426 1401 1481 BETB 350 275 426 363 346 359 327 CADB 403 345 326 450 343 397 407 CRQB 399 437 404 350 376 406 430 DIOB 331 299 282 350 312 383 299 DJIB 365 373 369 342 386 436 376 EVEB o 210 176 197 186 220 209 230 FAIB o 855 925 876 927 933 862 876 GAVB 265 199 209 229 224 242 258 GREB 471 480 425 483 498 436 459 HBMB 374 431 459 435 454 353 448 HEMB 302 410 369 333 400 323 373 JIUB 285 289 387 304 292 282 274 KETB 436 441 427 571 444 493 419 KIUB 382 429 455 402 435 401 363 KOLB 453 388 482 520 419 480 432 KRBB 578 619 587 567 542 561 605 KRUB 316 251 285 301 311 261 329 LICB 414 368 399 391 369 351 282 MAHB 262 235 239 300 301 319 304 MANB o 345 352 442 409 265 379 335 METB 545 531 624 589 598 550 529 MIAB 464 385 402 426 413 422 459 MSPB 432 427 520 261 0 0 0 NOWB 404 359 263 366 307 361 398 PAUB 434 415 399 451 408 446 415 PDMB o 444 413 378 393 450 387 348 REUB o 283 315 317 373 366 348 265 REZB 565 592 540 657 546 556 554 RILB 360 361 341 305 399 360 310 RIQB 543 527 597 578 543 627 549 ROUB 1086 1055 1017 1117 1042 1006 1058 SALB 438 365 381 311 335 337 336 SANB 431 169 140 331 204 0 180 SPJB 1229 1234 1156 1238 1182 1257 1254 STJB o 545 543 510 509 541 515 510 SYPB 1147 1141 1108 1148 1180 1176 1212 THUB 1184 1228 1179 1112 1256 1077 1159 TLSB 483 549 506 520 504 521 557 YASB 511 467 422 412 425 401 472 YEMB 764 778 783 739 783 785 642 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 SPOT4 SPOT5 ----------------------------- ADFB 3822 3150 3251 AMVB 1261 587 1054 ARFB 1004 525 880 BADB 1701 697 1490 BEMB 4510 1857 4065 BETB 1190 641 922 CADB 1124 776 934 CRQB 1264 542 1163 DIOB 867 708 796 DJIB 1090 797 928 EVEB 431 459 695 FAIB 2974 1116 2562 GAVB 928 0 790 GREB 1463 698 1192 HBMB 1244 878 1007 HEMB 1226 497 998 JIUB 970 518 870 KETB 1498 648 1300 KIUB 1288 870 1094 KOLB 1322 971 1048 KRBB 1857 861 1556 KRUB 1026 688 890 LICB 1174 710 977 MAHB 1062 445 913 MANB 1198 547 967 METB 1904 515 1792 MIAB 1316 709 1098 MSPB 692 362 697 NOWB 1251 359 1058 PAUB 1242 996 1001 PDMB 1236 649 1136 REUB 1040 544 897 REZB 1984 646 1750 RILB 1196 432 1015 RIQB 1920 540 1681 ROUB 3324 1324 2972 SALB 1129 816 959 SANB 727 231 589 SPJB 3836 1708 3343 STJB 1571 865 1371 SYPB 3816 1261 3300 THUB 3412 1634 3436 TLSB 1632 835 1308 YASB 1331 832 1167 YEMB 2533 966 2193 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT 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 11.2 9.5 9.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -6.5 +- 1.8 mm TY = -5.1 +- 1.8 mm TZ = 23.8 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.3 +- 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) ------------------------------------------------------------------ 0 0.00 0.00 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr