****************************************************************************** dorisreport 03-Apr-2008 03:39:52 Message No 1220 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1468 = 08055 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1468 from 24-02-2008 to 01-03-2008 DORIS name (using day of start): 08055 Days of year: from 2008/55 to 2008/61 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-4427-2484 FAX +33-1-4427-7340 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/ign08055wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08055wd06.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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/ignwd05.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd06.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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 Last changes in the time series data analysis: Week 678: See DORISMail #0288, start of the time series 4) Global Statistics ==================== GPS week number 1468 from 24-02-2008 to 01-03-2008 Total number of stations = 53 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.15 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 24-02-2008 20829 0 20829 0.0 25-02-2008 21183 3 21180 0.0 26-02-2008 21426 5 21421 0.0 27-02-2008 22284 2 22282 0.0 28-02-2008 22261 27 22234 0.1 29-02-2008 22744 17 22727 0.1 01-03-2008 22557 6 22551 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 6301 6232 6546 6505 6513 6672 6566 SPOT2 2825 2698 2744 2985 2828 3041 3093 SPOT4 4665 4764 4647 5067 5105 5204 5182 SPOT5 7038 7486 7484 7725 7788 7810 7710 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.398 0.397 0.395 0.421 0.411 0.424 0.414 SPOT2 0.459 0.420 0.421 0.410 0.422 0.397 0.409 SPOT4 0.426 0.430 0.421 0.419 0.419 0.408 0.415 SPOT5 0.369 0.367 0.357 0.377 0.375 0.369 0.373 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 0 434 424 994 905 1025 1020 AMUB 425 455 390 489 472 464 406 ARFB 424 369 500 497 470 507 334 ASDB o 335 298 276 343 259 342 319 BEMB 1409 1594 1501 1433 1413 1555 1458 BETB 344 416 373 355 396 400 360 CADB 475 438 567 425 471 486 409 CHAB 688 689 663 638 631 730 661 CICB 417 483 428 373 431 503 494 CRPB 310 284 231 236 339 264 218 DIOB 385 376 398 423 396 346 387 DJIB 376 445 415 418 430 343 403 EASB 448 468 424 438 458 400 421 EVEB o 227 226 287 204 257 230 255 FAIB o 1095 1075 1069 1098 1061 1129 1023 FUTB 366 331 348 418 419 387 186 GAVB 251 257 314 238 298 285 307 GREB 514 502 380 445 515 508 487 HBMB 0 0 172 433 483 432 435 HEMB 301 366 370 304 390 268 385 JIUB 588 560 474 530 533 595 576 KETB 446 444 571 451 430 386 499 KIUB 632 616 591 559 575 561 529 KOLB 514 583 641 493 531 616 487 KRUB 415 431 415 399 370 429 381 LICB 442 440 450 416 398 383 439 MAHB 0 149 269 215 303 222 280 MALB 82 26 192 394 395 396 245 MATB o 393 387 419 424 330 419 381 METB 662 588 669 669 605 670 630 MIAB 482 388 434 401 402 445 474 MOOB 528 513 536 522 548 568 488 MORB 0 0 0 0 68 465 366 MSPB 524 571 510 446 474 515 555 NOWB 323 247 313 301 245 338 324 PATB 396 474 487 404 417 414 373 PDMB 58 28 16 19 41 23 51 REUB 277 341 361 350 358 366 372 REZB 922 874 801 891 767 812 879 RIKB 352 431 397 424 439 389 464 RIPB 735 687 657 747 688 728 607 ROUB 1076 1096 1045 1033 1154 1094 1159 SALB 546 421 494 520 462 376 425 SCRB 426 511 398 390 401 428 468 SODB o 378 432 333 369 453 407 349 SPJB 1641 1611 1659 1709 1822 1492 1523 STJB o 661 628 701 634 570 627 713 SYPB 1240 1268 1362 1281 1216 1218 1254 THUB 358 328 229 340 323 376 555 TLSB 522 491 462 616 601 573 555 TRIB o 417 463 470 589 405 394 463 YASB 569 533 423 507 426 515 559 YEMB 1021 983 1014 933 1011 919 865 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 0 1345 953 2724 AMUB 1214 406 589 1176 ARFB 1194 379 711 979 ASDB 906 126 588 816 BEMB 4296 421 2028 4011 BETB 988 278 710 846 CADB 1219 398 838 981 CHAB 1627 676 1263 1355 CICB 1178 435 712 954 CRPB 823 133 347 726 DIOB 954 328 700 870 DJIB 1084 394 731 918 EASB 1160 433 892 1040 EVEB 532 155 397 787 FAIB 3158 769 1175 2831 FUTB 1092 182 626 909 GAVB 960 292 3 864 GREB 1382 221 678 1186 HBMB 999 417 666 860 HEMB 1148 250 343 854 JIUB 1387 763 878 1080 KETB 1447 253 525 1191 KIUB 1486 585 1154 1213 KOLB 1288 678 1069 1046 KRUB 1143 328 650 984 LICB 1104 514 657 950 MAHB 651 76 340 662 MALB 764 388 515 645 MATB 1282 55 469 1182 METB 1855 469 580 1843 MIAB 1156 314 642 1078 MOOB 1328 663 782 1105 MORB 850 403 516 720 MSPB 1328 365 885 1198 NOWB 928 329 140 873 PATB 1206 359 652 1006 PDMB 0 54 587 0 REUB 906 395 473 847 REZB 2798 420 737 2347 RIKB 1190 344 669 1004 RIPB 2078 778 496 1708 ROUB 3266 558 1123 2979 SALB 1267 457 690 1025 SCRB 1199 446 602 937 SODB 1167 259 655 951 SPJB 4899 1497 1558 3921 STJB 1720 628 946 1437 SYPB 3587 1325 1137 3133 THUB 223 662 1676 7 TLSB 1602 405 683 1309 TRIB 1190 509 660 1151 YASB 1403 391 860 1170 YEMB 2892 948 920 2345 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 ign07d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 11.5 13.9 10.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = 6.4 +- 1.6 mm TY = 7.4 +- 1.9 mm TZ = 13.2 +- 1.6 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.2 +- 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 0.99 0.91 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr