****************************************************************************** dorisreport 28-Mar-2011 05:50:55 Message No 2432 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1623 = 11044 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1623 from 13-02-2011 to 19-02-2011 DORIS name (using day of start): 11044 Days of year: from 2011/44 to 2011/50 ============================================================== 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/ign11044wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11044wd09.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., Boucher, C., Fagard, H., Goginddass, M.L. (2010), Contributions of the French Institut Geographique National (IGN) to the International DORIS Service, Adv. Space Res., 45(12), 1470-1480 DOI: 10.1016/j.asr.2009.09.019 Changes in data processing: #week 1568: goa-test.2010.03.25b Use Bulletin-A as a priori instead of Bulletin-B #week 1574: goa-test.2010.03.31e Same executable but with /DEV scripts (all official version) #week 1579: goa-test.2010.04.28a Same executable without any DEV scripts #week 1580: goa-test.2010.05.25h Major change affecting solar array orientation for SPOT5 after Jan 2008 see details in Gobinddass et al., Adv. Space Res., 2009 #week 1597: goa-test.2010.09.20c More recent version, close to future 6.0 official version for tests #week 1599: goa-test.2010.05.25h Back to previous test version #week 1606: goa-6.0 Latest JPL official version #week 1487: goa-test-2011.03.17b Including Jason-2 and Cryosat-2 data deleting stations in the South Atlantic Anomaly (SAA) for SPOT-5 reprocessing done for weeks: 736-738 + 955-995 + 1124-1131 + 1487-1619 4) Global Statistics ==================== GPS week number 1623 from 13-02-2011 to 19-02-2011 Total number of stations = 45 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.29 the following satellites were used in the combination 2011 44 cryosat2 envisat jason2 spot4 spot5 2011 45 cryosat2 envisat jason2 spot4 spot5 2011 46 cryosat2 envisat jason2 spot4 spot5 2011 47 cryosat2 envisat jason2 spot4 spot5 2011 48 cryosat2 envisat jason2 spot4 spot5 2011 49 cryosat2 envisat jason2 spot4 spot5 2011 50 cryosat2 envisat jason2 spot4 spot5 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 13-02-2011 44714 423 44291 0.9 14-02-2011 44741 679 44062 1.5 15-02-2011 44611 762 43849 1.7 16-02-2011 44173 811 43362 1.8 17-02-2011 45310 854 44456 1.9 18-02-2011 43710 736 42974 1.7 19-02-2011 45066 808 44258 1.8 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 ----------------------------------------------------------------- CRYOSAT2 7894 7847 7840 8044 7928 8055 7942 ENVISAT 7720 7657 7974 7173 7683 6046 7658 JASON2 15840 15875 15599 15778 16080 15843 16070 SPOT4 5039 4895 4704 4771 4977 5076 4753 SPOT5 7798 7788 7732 7596 7788 7954 7835 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.447 0.463 0.445 0.466 0.444 0.461 0.447 ENVISAT 0.449 0.464 0.441 0.442 0.457 0.446 0.448 JASON2 0.392 0.401 0.391 0.392 0.383 0.425 0.400 SPOT4 0.436 0.422 0.422 0.433 0.445 0.438 0.436 SPOT5 0.408 0.410 0.407 0.410 0.404 0.414 0.424 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 --------------------------------------------------------------- AMVB 394 376 430 355 364 385 403 ARFB 299 267 315 349 362 319 259 ASEB 234 257 250 236 210 240 235 BADB 487 500 529 548 497 463 501 BEMB 1425 1387 1471 1349 1400 1485 1386 BETB 391 387 399 281 416 414 366 CADB 336 364 428 348 352 426 355 CHAB 573 593 575 542 585 601 604 CIDB 402 363 282 313 344 357 370 COBB 801 814 725 692 796 798 806 CRQB 237 337 351 363 274 312 252 DIOB 262 254 312 295 308 246 285 DJIB 351 373 383 255 330 376 335 EVEB o 231 217 200 195 207 229 231 GAVB 0 145 278 222 216 245 237 GREB 493 430 454 446 473 475 461 HBMB 416 446 462 407 525 423 446 HEMB 321 282 287 307 381 280 339 JIUB 401 398 328 311 451 411 402 KETB 459 503 389 409 387 431 406 KIUB 432 477 404 371 491 423 446 KOLB 481 458 447 389 435 513 420 KRBB 595 563 603 607 637 588 555 KRUB 324 270 353 350 196 296 325 LICB 384 279 391 253 281 362 245 MAHB 267 317 299 103 311 306 290 MALB 290 379 332 360 271 263 332 METB 532 548 540 514 547 560 597 MIAB 421 387 458 409 378 442 396 MSPB 398 330 568 438 553 416 381 PAUB 455 414 439 415 451 458 400 PDMB o 403 364 358 394 317 330 397 REUB o 295 307 270 279 274 303 305 REZB 525 479 550 558 509 582 551 RILB 324 359 0 340 315 287 333 RIQB 674 573 509 516 577 621 558 SALB 365 320 322 341 348 196 320 SANB o 333 459 496 375 343 409 405 SPJB 1292 1265 1337 1219 1265 1199 1215 STJB o 556 521 489 572 517 555 544 SYPB 1070 1097 1068 1018 1071 1115 1138 THUB 1307 1354 1182 1218 1277 1365 1377 TLSB 563 590 586 530 585 584 598 YASB 466 388 496 468 419 483 366 YEMB 504 489 436 488 460 495 493 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) ----------------------------------------------------------------- CRYOSAT2 ENVISAT JASON2 SPOT4 SPOT5 --------------------------------------------- AMVB 1726 1229 3896 567 1116 ARFB 1304 1028 2999 359 974 ASEB 1199 745 2177 439 726 BADB 2150 1737 4511 576 1379 BEMB 6427 4381 4295 2059 3999 BETB 1319 1070 2736 843 974 CADB 1499 1060 3176 752 936 CHAB 2187 1691 5122 1162 1397 CIDB 1304 1105 2731 692 943 COBB 2780 2156 5567 1586 1884 CRQB 1999 877 4333 507 851 DIOB 1378 883 3401 361 835 DJIB 1504 992 2732 777 874 EVEB 630 468 1622 460 688 GAVB 941 865 3437 0 812 GREB 1800 1418 4281 728 1201 HBMB 1544 1251 3101 1001 1031 HEMB 1511 1005 2738 453 881 JIUB 1423 1239 3221 700 1080 KETB 2105 1430 4590 594 1147 KIUB 1431 1296 3284 875 1140 KOLB 1601 1228 3481 955 1112 KRBB 1946 1878 3826 836 1693 KRUB 1415 1064 2817 712 873 LICB 1327 941 2599 601 875 MAHB 1104 828 2347 415 896 MALB 1322 955 2539 749 895 METB 2767 1868 4567 398 1805 MIAB 1678 1260 3514 707 1074 MSPB 1862 1297 4331 828 1111 PAUB 1409 1193 2875 982 1047 PDMB 1503 1248 3828 429 1061 REUB 1331 910 2947 355 962 REZB 3434 1962 3991 567 1641 RILB 633 1048 2287 373 812 RIQB 2821 1924 5223 605 1691 SALB 1535 1103 2905 690 870 SANB 1546 1256 3808 588 1136 SPJB 6412 4041 3788 1714 3341 STJB 1868 1619 4377 917 1398 SYPB 4705 3581 4770 1128 3161 THUB 6296 3981 4362 1743 3714 TLSB 1519 1571 3662 1310 1300 YASB 1641 1352 3458 800 1108 YEMB 3461 9 5120 1100 2384 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 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 11.7 10.6 14.3 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.1 +- 1.6 mm TY = 5.8 +- 1.6 mm TZ = 10.0 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.8 +- 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 0.72 0.50 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr