****************************************************************************** dorisreport 27-Sep-2008 01:43:05 Message No 1384 ****************************************************************************** Author: willis@ipgp.fr ( WILLIS Pascal) Subject: IGN/JPL DORIS Report for week 1493 = 08230 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1493 from 17-08-2008 to 23-08-2008 DORIS name (using day of start): 08230 Days of year: from 2008/230 to 2008/236 ============================================================== 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/ign08230wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign08230wd06.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 1493 from 17-08-2008 to 23-08-2008 Total number of stations = 50 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.21 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 17-08-2008 22218 6 22212 0.0 18-08-2008 22577 15 22562 0.1 19-08-2008 22436 84 22352 0.4 20-08-2008 20248 34 20214 0.2 21-08-2008 22604 4 22600 0.0 22-08-2008 22493 1 22492 0.0 23-08-2008 22330 3 22327 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 6945 6733 6821 6903 6818 6984 6907 SPOT2 2670 2720 2817 2944 2910 2698 2592 SPOT4 4945 5189 5060 5166 4991 5030 4905 SPOT5 7652 7920 7654 5201 7881 7780 7923 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.393 0.445 0.426 0.443 0.403 0.405 0.409 SPOT2 0.411 0.424 0.420 0.435 0.417 0.434 0.421 SPOT4 0.425 0.414 0.422 0.404 0.406 0.412 0.411 SPOT5 0.373 0.385 0.369 0.409 0.366 0.369 0.367 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 1695 1625 1815 1630 1726 1648 1657 AMUB 491 502 442 447 542 470 478 ARFB 328 386 448 380 305 379 383 ASDB o 300 308 293 306 247 304 329 BEMB 1317 1497 1477 1420 1479 1362 1376 BETB 337 369 372 305 343 401 340 CADB 364 484 458 503 396 491 454 CHAB 550 625 712 687 694 708 669 CICB 403 401 457 398 439 360 413 CRPB 299 370 297 234 334 207 284 DIOB 355 360 369 369 370 516 410 DJIB 394 487 436 418 471 423 444 EASB 428 411 425 450 477 409 441 FAIB o 987 956 925 928 945 977 792 FUTB 383 424 381 336 412 437 390 GREB 427 457 463 416 504 477 509 HBMB 432 431 501 462 437 509 434 HEMB 392 315 310 360 379 260 381 JIUB 475 522 502 410 496 389 476 KETB 498 443 438 549 486 418 453 KIUB 563 548 572 517 523 499 511 KOLB 456 565 521 631 571 555 488 KRUB 409 395 441 431 385 453 484 LICB 430 406 387 543 395 513 415 MAHB 365 303 344 262 330 339 240 MALB 0 0 0 217 420 434 440 MANB o 339 399 494 425 321 434 411 MATB o 463 414 450 437 313 439 399 METB 552 670 629 670 644 578 625 MIAB 342 411 363 459 355 342 380 MOOB 529 545 488 454 536 494 506 MSPB 503 502 453 534 460 414 430 NOWB 318 345 347 354 231 296 365 PATB 440 421 375 427 408 420 415 PDMB 454 426 407 478 438 413 444 REUB 297 447 366 418 360 403 402 REZB 583 583 638 765 672 572 540 RIKB 400 377 373 452 478 395 328 RIQB 623 604 664 635 640 632 632 ROUB 1216 1187 1040 1159 1101 1176 1220 SALB 499 436 356 543 501 416 517 SANB 457 514 465 385 478 440 524 SODB o 398 429 459 343 423 454 396 SPJB 1547 1522 1393 1392 1399 1499 1448 STJB o 545 569 529 580 601 575 580 SYPB 1340 1246 1332 1244 1368 1354 1219 THUB 1238 1265 1070 1195 1282 1267 1318 TLSB 611 465 626 578 563 277 600 YASB 547 437 570 547 504 561 510 YEMB 891 876 819 867 907 831 891 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 3814 2176 3069 3174 AMUB 1232 471 690 1119 ARFB 1107 291 366 977 ASDB 903 37 534 864 BEMB 4328 471 1811 3977 BETB 985 172 663 865 CADB 1150 367 755 1030 CHAB 1617 767 1092 1357 CICB 1156 303 571 1003 CRPB 888 173 325 798 DIOB 960 405 691 908 DJIB 1091 448 777 957 EASB 1151 481 844 977 FAIB 2720 542 1142 2571 FUTB 1104 320 584 971 GREB 1376 257 699 1189 HBMB 1115 484 787 999 HEMB 1139 392 252 797 JIUB 1372 282 865 1105 KETB 1463 180 586 1191 KIUB 1468 308 1113 1251 KOLB 1289 619 1018 1099 KRUB 1158 434 683 936 LICB 1102 449 764 938 MAHB 1006 57 383 940 MALB 902 478 638 776 MANB 1153 275 572 965 MATB 1311 52 518 1213 METB 1829 458 536 1822 MIAB 1177 338 523 1053 MOOB 1331 362 889 1108 MSPB 1322 231 754 1127 NOWB 923 244 348 863 PATB 1207 274 633 1010 PDMB 1294 261 629 1092 REUB 923 415 547 965 REZB 2042 317 674 1656 RIKB 1172 316 586 943 RIQB 1879 641 461 1654 ROUB 3296 685 1460 2935 SALB 1271 552 796 909 SANB 1334 207 714 1157 SODB 1155 256 602 1035 SPJB 4096 1566 1627 3292 STJB 1562 426 922 1371 SYPB 3585 1507 1205 3129 THUB 3050 736 1724 3405 TLSB 1509 479 797 1271 YASB 1405 479 877 1098 YEMB 2574 762 914 2127 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 16.0 15.2 13.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -5.1 +- 1.3 mm TY = -3.4 +- 1.4 mm TZ = -0.8 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = 0.2 +- 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 1.08 0.92 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr