****************************************************************************** dorisreport 10-Sep-2011 00:27:06 Message No 2646 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1648 = 11219 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1648 from 07-08-2011 to 13-08-2011 DORIS name (using day of start): 11219 Days of year: from 2011/219 to 2011/225 ============================================================== 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/ign11219wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11219wd10.snx.Z geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.Z Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 ITRF2008 pub/doris/products/sinex_series/ignwd/ignwd10.snx.dsc geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 1648 from 07-08-2011 to 13-08-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.59 the following satellites were used in the combination 2011 219 cryosat2 envisat jason2 spot4 spot5 2011 220 cryosat2 envisat jason2 spot4 spot5 2011 221 cryosat2 envisat jason2 spot4 spot5 2011 222 cryosat2 envisat jason2 spot4 spot5 2011 223 cryosat2 envisat jason2 spot4 spot5 2011 224 cryosat2 envisat jason2 spot4 spot5 2011 225 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 -------------------------------------------------------- 07-08-2011 44389 85 44304 0.2 08-08-2011 44355 40 44315 0.1 09-08-2011 43841 65 43776 0.1 10-08-2011 44410 81 44329 0.2 11-08-2011 44160 48 44112 0.1 12-08-2011 43326 58 43268 0.1 13-08-2011 43796 51 43745 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 8287 8005 8134 8313 8217 7650 8174 ENVISAT 7908 7718 7617 7940 7202 7639 7507 JASON2 15532 15830 15501 15433 16126 15681 15789 SPOT4 4806 4846 4643 4694 4711 4737 4573 SPOT5 7771 7916 7881 7949 7856 7561 7702 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.437 0.451 0.442 0.431 0.440 0.453 0.440 ENVISAT 0.468 0.440 0.449 0.451 0.468 0.464 0.451 JASON2 0.406 0.397 0.400 0.396 0.393 0.416 0.406 SPOT4 0.427 0.442 0.448 0.432 0.453 0.438 0.444 SPOT5 0.415 0.406 0.416 0.408 0.413 0.417 0.402 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 --------------------------------------------------------------- ADGB 431 414 425 434 495 430 420 AMVB 394 404 456 404 452 408 390 ARFB 378 345 337 382 334 398 340 ASEB 303 274 363 306 346 322 194 BADB 506 443 513 526 430 475 394 BEMB 1436 1410 1395 1384 1456 1490 1412 BETB 348 411 238 389 355 365 284 CHAB 611 584 604 587 599 579 590 CIDB 333 450 397 388 385 330 351 COBB 0 0 373 776 786 710 828 CRQB 268 265 232 299 310 324 256 DIOB 253 276 223 266 307 290 255 DJIB 344 391 357 387 366 304 317 EASB 438 377 320 387 353 412 355 EVEB 225 223 236 201 194 209 226 GAVB 210 200 259 234 256 249 194 GR3B 0 0 0 0 0 0 0 GREB 421 477 487 412 458 475 370 HBMB 479 505 411 431 473 451 462 HEMB 426 354 309 320 226 0 0 JIUB 415 372 329 311 329 394 418 KETB 438 385 361 493 362 413 433 KIUB 421 455 413 417 410 409 437 KOLB 404 492 493 427 408 429 461 KRBB 571 609 492 482 556 552 700 KRWB 376 374 414 412 390 433 303 LICB 303 306 315 260 355 312 228 MAHB 278 352 310 308 268 263 327 MALB 355 289 353 317 139 0 0 MATB o 316 321 356 337 387 302 341 MIAB 336 327 387 405 421 359 356 MSPB 529 502 392 486 485 498 470 PAUB 443 436 410 332 422 428 408 PDMB 387 335 358 468 296 411 355 REUB 247 327 338 325 286 230 278 REZB 584 545 516 588 450 609 631 RIQB 586 538 616 627 493 622 519 ROVB 962 1092 991 995 1028 953 1112 SALB 462 346 379 383 353 449 405 SANB o 260 405 411 319 487 301 373 SPJB 1267 1234 1307 1268 1260 1244 1258 STJB 578 528 495 566 508 536 556 SYPB 1110 1114 1164 1118 1122 1071 1113 THUB 1348 1318 1303 1293 1354 1264 1365 TLSB 587 576 548 565 596 591 583 YASB 454 295 0 0 0 0 0 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 --------------------------------------------- ADGB 4783 0 5406 0 3192 AMVB 1680 1321 3676 626 1105 ARFB 1346 1125 3054 577 956 ASEB 1191 966 2271 442 868 BADB 2034 1644 4466 697 1356 BEMB 6508 4429 4483 1988 4009 BETB 1300 1073 2688 840 869 CHAB 2132 1685 4949 1241 1397 CIDB 1306 1164 2723 756 961 COBB 2641 1886 5463 1507 1520 CRQB 1924 845 4278 433 854 DIOB 1349 765 3283 464 788 DJIB 1465 1047 2807 705 935 EASB 1096 1183 2595 902 1111 EVEB 642 469 1637 446 761 GAVB 840 930 2158 0 824 GR3B 1075 3 3707 0 1 GREB 1652 1397 4287 771 1221 HBMB 1497 1327 3162 1097 1038 HEMB 1083 760 2087 302 669 JIUB 1315 1181 2845 859 1064 KETB 2188 1329 4625 545 1152 KIUB 1337 1245 3444 879 1164 KOLB 1630 1216 3420 1085 973 KRBB 1874 1967 4082 673 1599 KRWB 1469 1154 2962 955 954 LICB 1281 979 2537 534 844 MAHB 1084 936 2367 540 868 MALB 880 661 1466 472 518 MATB 1926 1180 4567 242 1116 MIAB 1602 1230 3477 651 1003 MSPB 1919 1360 4152 945 1204 PAUB 1387 1129 2843 1009 933 PDMB 1537 1280 3820 409 1097 REUB 1369 924 2881 354 900 REZB 3264 2082 3683 506 1812 RIQB 2243 1843 3572 699 1626 ROVB 4510 3361 5114 1084 2952 SALB 1458 1229 2651 657 1039 SANB 1570 1283 3654 348 1084 SPJB 6260 3998 3943 1853 3302 STJB 1814 1570 4196 963 1460 SYPB 4557 3696 4351 1199 3184 THUB 6172 4043 4340 1873 3660 TLSB 1557 1633 4090 1278 1329 YASB 407 336 957 232 212 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 tf_110726a at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 8.8 12.7 9.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -5.0 +- 1.0 mm TY = -13.0 +- 0.8 mm TZ = 28.7 +- 0.8 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.5 +- 0.1 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 0.78 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr