****************************************************************************** dorisreport 09-Nov-2011 08:30:11 Message No 2711 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1656 = 11275 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1656 from 02-10-2011 to 08-10-2011 DORIS name (using day of start): 11275 Days of year: from 2011/275 to 2011/281 ============================================================== 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/ign11275wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11275wd10.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) #week 1649: correct bug in estimating CRYOSAT2 drag Estimating every hour in the multi-satellite mode (instead of previously once per day) also estimate CONST_L terms for TOPEX and JASON2 every 8 hours (instead of previously once per day) #week 1656: test.2011.09.27c Minor change: do not use DEV scripts anymore 4) Global Statistics ==================== GPS week number 1656 from 02-10-2011 to 08-10-2011 Total number of stations = 47 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.15 the following satellites were used in the combination 2011 275 cryosat2 envisat jason2 spot4 spot5 2011 276 cryosat2 envisat jason2 spot4 spot5 2011 277 cryosat2 envisat jason2 spot4 spot5 2011 278 cryosat2 envisat jason2 spot4 spot5 2011 279 cryosat2 envisat jason2 spot4 spot5 2011 280 cryosat2 envisat jason2 spot4 spot5 2011 281 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 -------------------------------------------------------- 02-10-2011 43956 92 43864 0.2 03-10-2011 42117 89 42028 0.2 04-10-2011 40861 75 40786 0.2 05-10-2011 42387 84 42303 0.2 06-10-2011 43754 88 43666 0.2 07-10-2011 44488 80 44408 0.2 08-10-2011 45661 91 45570 0.2 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 8148 7713 7930 7736 8192 7932 8493 ENVISAT 7301 7318 7026 7663 7536 7747 7811 JASON2 16211 15088 14856 15509 15975 16274 16627 SPOT4 4462 4415 3628 3468 4167 4521 4672 SPOT5 7742 7494 7346 7927 7796 7934 7967 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.448 0.453 0.441 0.447 0.446 0.445 0.438 ENVISAT 0.463 0.465 0.444 0.436 0.450 0.472 0.459 JASON2 0.419 0.410 0.394 0.406 0.406 0.406 0.402 SPOT4 0.458 0.439 0.421 0.417 0.430 0.454 0.441 SPOT5 0.421 0.427 0.399 0.417 0.403 0.417 0.414 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 485 426 734 735 433 494 424 AMVB 437 398 328 360 391 445 390 ARFB 300 401 316 301 191 303 325 ASEB 250 255 148 246 275 249 223 BADB 503 521 480 474 539 501 492 BEMB 1496 1432 1339 1224 1379 1410 1463 BETB 314 251 261 297 290 320 246 CHAB 617 591 526 576 601 600 608 CIDB 331 270 414 272 348 352 311 COBB 0 0 249 0 0 611 761 CRQB 336 329 227 304 311 316 295 DIOB 317 286 249 334 279 274 236 DJIB 353 360 343 336 370 384 294 EASB 353 414 314 152 348 298 353 EVEB 201 219 225 217 222 204 202 GAVB 262 244 219 264 254 258 260 GR3B 0 0 0 0 0 0 0 GREB 484 482 452 400 433 465 476 HBMB 459 467 438 364 407 478 421 JIUB 378 416 421 325 232 347 385 KETB 383 405 494 421 496 366 420 KIUB 406 410 403 349 444 424 402 KOLB 392 417 472 489 409 430 452 KRBB 534 543 640 602 549 588 554 KRWB 384 406 228 177 213 291 330 LICB 256 274 291 321 285 322 254 MATB o 334 359 323 356 351 353 356 METB 491 467 601 545 531 497 487 MIAB 427 368 293 413 424 317 368 MSPB 489 518 367 378 475 509 484 NOXB 466 304 0 304 436 403 406 PAUB 307 363 378 381 341 402 417 PDMB 282 421 323 323 428 343 363 REUB 283 217 341 305 332 290 250 REZB 476 584 589 430 581 482 559 RIMB 217 313 232 311 267 246 296 RIQB 382 407 324 329 350 293 383 ROVB 0 0 126 1079 974 1069 972 SALB 246 291 205 302 309 223 250 SANB o 497 315 418 317 334 461 313 SPJB 1307 1246 1181 1281 1266 1321 1292 STJB 493 553 523 422 555 499 529 SYPB 1122 1073 1157 1161 1083 1081 1076 THUB 1305 1291 1208 1134 1323 1314 1264 TLSB 583 569 456 533 582 568 578 YASB 467 484 0 492 0 0 481 YEMB 375 178 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 4854 0 5298 728 3234 AMVB 1752 1263 3797 526 1104 ARFB 1391 1020 2812 438 925 ASEB 1184 842 2102 346 692 BADB 2149 1661 4536 680 1420 BEMB 6561 4416 4441 1763 4013 BETB 1310 995 2374 613 813 CHAB 2163 1722 5022 1157 1381 CIDB 1319 1120 2604 618 908 COBB 1714 1222 3219 848 963 CRQB 2045 859 4325 472 920 DIOB 1541 821 3594 446 860 DJIB 1487 1028 2883 723 920 EASB 1087 947 1913 694 965 EVEB 645 484 1537 419 711 GAVB 896 992 3950 3 869 GR3B 1732 4 3885 0 5 GREB 1782 1451 4358 645 1244 HBMB 1557 1230 3152 1043 977 JIUB 1395 1190 3088 685 1032 KETB 2282 1300 4878 701 1182 KIUB 1412 1269 3492 771 1114 KOLB 1689 1232 3467 1033 990 KRBB 2022 1852 4256 815 1623 KRWB 1493 1017 2864 693 835 LICB 1228 966 2373 498 837 MATB 2092 1205 4349 222 1149 METB 2616 1857 4702 227 1802 MIAB 1773 1299 3541 601 1073 MSPB 1926 1419 4199 731 1184 NOXB 1549 1239 3258 544 1038 PAUB 1395 1115 2671 840 852 PDMB 1579 1194 4003 380 1069 REUB 1421 932 2780 370 858 REZB 3443 2039 4124 445 1663 RIMB 731 1021 2582 288 906 RIQB 1180 970 1190 358 1254 ROVB 3026 2072 3232 689 1875 SALB 1496 898 2663 566 784 SANB 1642 1280 3816 469 1068 SPJB 6460 4064 3959 1806 3348 STJB 1865 1549 4560 856 1423 SYPB 4505 3726 4565 1121 3200 THUB 6405 3979 4746 1613 3629 TLSB 1491 1507 3921 1199 1317 YASB 886 848 1662 507 679 YEMB 2731 8 4219 657 1541 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 8.1 7.2 11.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = 5.5 +- 1.1 mm TY = -12.7 +- 1.2 mm TZ = -12.5 +- 1.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.0 +- 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 0.46 0.63 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr