****************************************************************************** dorisreport 10-Jun-2011 16:56:15 Message No 2533 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1633 = 11114 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1633 from 24-04-2011 to 30-04-2011 DORIS name (using day of start): 11114 Days of year: from 2011/114 to 2011/120 ============================================================== 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/ign11114wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11114wd09.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 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) 4) Global Statistics ==================== GPS week number 1633 from 24-04-2011 to 30-04-2011 Total number of stations = 48 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 3.08 the following satellites were used in the combination 2011 114 cryosat2 envisat jason2 spot4 spot5 2011 115 cryosat2 envisat jason2 spot4 spot5 2011 116 cryosat2 envisat jason2 spot4 spot5 2011 117 cryosat2 envisat jason2 spot4 spot5 2011 118 cryosat2 envisat jason2 spot4 spot5 2011 119 cryosat2 envisat jason2 spot4 spot5 2011 120 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 -------------------------------------------------------- 24-04-2011 46417 62 46355 0.1 25-04-2011 46866 73 46793 0.2 26-04-2011 47053 82 46971 0.2 27-04-2011 47119 8408 38711 17.8 28-04-2011 46680 70 46610 0.1 29-04-2011 46050 65 45985 0.1 30-04-2011 46350 68 46282 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 ----------------------------------------------------------------- CRYOSAT2 8393 8383 8497 8401 8578 8181 8516 ENVISAT 8155 7944 8055 0 8146 8078 7945 JASON2 17094 17372 16989 17033 16625 16952 16779 SPOT4 4630 5051 5076 4897 4908 4715 5003 SPOT5 8083 8043 8354 8380 8353 8059 8039 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.443 0.443 0.459 0.468 0.466 0.476 0.464 ENVISAT 0.453 0.448 0.444 0.000 0.453 0.454 0.472 JASON2 0.386 0.388 0.391 0.393 0.400 0.403 0.391 SPOT4 0.444 0.434 0.441 0.438 0.440 0.431 0.443 SPOT5 0.406 0.410 0.407 0.411 0.427 0.406 0.437 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 33 21 0 0 64 38 AMVB 449 394 399 426 383 452 390 ARFB 338 379 343 353 376 296 395 ASEB 0 0 244 287 348 267 331 BADB 491 566 425 498 484 491 502 BEMB 1465 1441 1337 1440 1373 1445 1490 BETB 270 262 190 362 321 331 389 CADB 410 359 392 457 408 372 383 CHAB 570 614 581 613 605 521 605 CIDB 333 342 420 388 382 348 313 COBB 801 746 836 813 730 828 737 CRQB 231 267 277 286 283 309 285 DIOB 318 267 295 273 305 298 308 DJIB 352 319 310 291 314 378 299 EVEB 202 229 219 232 208 201 227 GAVB 259 227 201 244 257 259 201 GR3B 0 0 0 0 0 0 0 GREB 443 433 457 475 429 468 471 HBMB 488 427 497 424 398 488 453 HEMB 302 428 395 129 0 0 0 JIUB 314 397 440 386 378 267 383 KETB 361 421 417 357 465 363 395 KIUB 428 399 451 408 430 430 400 KOLB 421 431 460 518 409 409 464 KRBB 552 574 628 502 532 633 530 LICB 351 260 204 281 265 294 350 MAHB 177 230 312 277 278 289 315 MALB 274 348 311 297 320 335 340 MATB o 349 241 338 339 355 320 366 METB 527 472 492 553 493 527 496 MIAB 427 396 343 376 423 405 373 MSPB 525 505 472 452 402 541 473 NOWB 432 295 276 379 489 0 0 PAUB 357 396 448 448 400 430 400 PDMB 334 343 354 348 481 300 336 REUB 271 255 301 343 281 269 225 REZB 528 518 521 480 575 515 587 RIQB 564 604 519 632 660 499 640 ROVB 1030 929 1117 962 918 1061 953 SALB 294 476 376 279 419 373 372 SANB o 446 301 404 407 321 479 321 SPJB 1235 1255 1283 1285 1260 1304 1267 STJB 478 600 563 492 600 454 496 SYPB 1128 1105 1109 1188 1101 1074 1066 THUB 1245 1275 1333 1319 1317 1187 1284 TLSB 596 589 564 587 556 587 576 YASB 445 431 402 454 400 379 461 YEMB 463 463 496 527 483 474 477 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 --------------------------------------------- ADFB 167 0 5 0 227 AMVB 1738 1288 3860 665 1089 ARFB 1447 1085 2921 543 942 ASEB 796 688 1428 310 611 BADB 2058 1647 4395 660 1425 BEMB 6582 4502 4224 2017 4003 BETB 1176 942 2691 772 820 CADB 1577 1181 3093 744 995 CHAB 2141 1711 5092 1165 1399 CIDB 1318 1149 2613 743 907 COBB 2776 2212 5563 1726 1763 CRQB 1999 875 4164 506 747 DIOB 1313 930 3260 417 805 DJIB 1288 993 2879 751 849 EVEB 611 475 1539 435 727 GAVB 917 906 3474 0 852 GR3B 1515 5 3622 0 0 GREB 1740 1448 4361 766 1234 HBMB 1613 1271 3049 1116 963 HEMB 1048 637 2108 329 668 JIUB 1270 1188 2964 767 1017 KETB 2302 1306 4744 500 1171 KIUB 1403 1245 3330 914 1123 KOLB 1631 1316 3451 1001 975 KRBB 2008 1870 4083 827 1532 LICB 1185 931 2638 609 834 MAHB 1172 960 2442 483 859 MALB 1378 917 2550 714 872 MATB 1899 1142 4489 191 1113 METB 2516 1847 4512 177 1794 MIAB 1699 1302 3603 622 1052 MSPB 1867 1417 4298 898 1194 NOWB 1186 902 2297 377 729 PAUB 1311 1196 2815 1019 961 PDMB 1566 1157 3636 417 1085 REUB 1511 915 2935 317 865 REZB 3349 1908 3931 453 1777 RIQB 2894 1910 5220 735 1653 ROVB 4797 3302 5163 972 3000 SALB 1488 1107 2883 661 1008 SANB 1702 1373 3666 381 1094 SPJB 6437 3950 3925 1939 3306 STJB 1857 1540 4314 912 1410 SYPB 4561 3723 4674 1132 3192 THUB 6384 3991 4437 1753 3626 TLSB 1729 1572 3778 1311 1318 YASB 1580 1340 3309 701 1094 YEMB 3527 9 5248 1109 2392 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 13.0 12.6 12.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -8.3 +- 1.4 mm TY = 2.6 +- 1.4 mm TZ = 60.4 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.5 +- 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 0.63 0.74 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr