****************************************************************************** dorisreport 06-Sep-2011 20:24:14 Message No 2633 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1641 = 11170 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1641 from 19-06-2011 to 25-06-2011 DORIS name (using day of start): 11170 Days of year: from 2011/170 to 2011/176 ============================================================== 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/ign11170wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11170wd10.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 1641 from 19-06-2011 to 25-06-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.45 the following satellites were used in the combination 2011 170 cryosat2 envisat jason2 spot4 spot5 2011 171 cryosat2 envisat jason2 spot4 spot5 2011 172 cryosat2 envisat jason2 spot4 spot5 2011 173 cryosat2 envisat jason2 spot4 spot5 2011 174 2011 175 cryosat2 envisat jason2 spot4 spot5 2011 176 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 -------------------------------------------------------- 19-06-2011 45135 52 45083 0.1 20-06-2011 45564 60 45504 0.1 21-06-2011 45557 59 45498 0.1 22-06-2011 45464 66 45398 0.1 23-06-2011 -27762 27762 0 0.0 24-06-2011 47053 80 46973 0.2 25-06-2011 47414 60 47354 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 8406 8604 8631 8418 8849 8670 9012 ENVISAT 7558 7793 7863 7561 7968 7835 7985 JASON2 16362 16369 15939 16388 0 17037 16970 SPOT4 4547 4547 4818 4742 4861 4767 4764 SPOT5 8210 8191 8247 8289 6084 8664 8623 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.433 0.444 0.437 0.445 0.437 0.445 0.433 ENVISAT 0.445 0.466 0.456 0.452 0.449 0.445 0.451 JASON2 0.395 0.393 0.399 0.401 0.000 0.400 0.384 SPOT4 0.436 0.436 0.435 0.442 0.426 0.437 0.439 SPOT5 0.402 0.403 0.415 0.404 0.415 0.408 0.398 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 435 497 430 422 426 433 492 AMVB 416 444 389 380 407 371 452 ARFB 358 322 406 343 358 291 284 ASEB 321 239 317 201 281 307 240 BADB 547 498 519 488 465 491 458 BEMB 1374 1440 1505 1334 1436 1451 1404 BETB 398 406 370 391 370 354 393 CHAB 595 566 598 580 592 603 563 CIDB 381 391 333 423 404 374 326 COBB 0 0 0 0 683 745 805 CRQB 295 308 292 232 240 321 359 DIOB 268 272 295 280 275 243 272 DJIB 375 382 335 342 376 367 377 EVEB 189 215 229 219 227 233 175 GAVB 209 223 242 188 244 240 236 GR3B 0 0 0 0 0 0 0 GREB 418 464 473 391 484 455 437 HBMB 403 486 436 535 465 389 490 JIUB 324 286 386 397 401 318 316 KETB 479 385 421 472 391 490 402 KIUB 419 400 397 442 432 394 386 KOLB 409 421 451 415 525 436 435 KRBB 476 636 556 672 539 514 638 KRWB 401 365 422 391 430 376 376 LICB 276 373 359 271 350 351 307 MAHB 298 310 297 340 306 293 307 MALB 305 350 344 341 347 364 337 MATB o 346 347 389 341 358 335 322 METB 479 537 470 573 531 536 525 MIAB 422 423 408 392 404 433 377 MSPB 421 529 472 476 448 369 509 PAUB 414 417 384 445 475 365 428 PDMB 454 291 355 392 317 404 363 REUB 307 283 231 289 326 305 258 REZB 614 485 549 580 496 512 525 RIQB 611 509 641 524 677 563 476 ROVB 994 1025 939 1098 920 925 1076 SALB 430 367 433 434 278 403 359 SANB o 295 479 339 419 394 472 470 SPJB 1262 1264 1266 1274 1196 1208 1364 STJB 582 463 529 587 480 588 467 SYPB 1108 1058 1099 1129 1141 1049 1057 THUB 1260 1242 1264 1278 1346 1308 1260 TLSB 597 595 586 597 572 575 571 YASB 0 226 485 0 443 434 450 YEMB 493 465 478 502 486 491 434 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 4829 0 5416 0 3258 AMVB 1689 1332 3771 562 1111 ARFB 1447 1122 3108 390 991 ASEB 1145 936 2335 384 800 BADB 2063 1691 4452 679 1409 BEMB 6438 4353 4362 2024 4039 BETB 1323 1147 2736 799 964 CHAB 2116 1686 5061 1174 1389 CIDB 1323 1165 2649 745 968 COBB 2758 2069 5678 1557 1680 CRQB 1967 805 4265 451 891 DIOB 1303 795 3005 401 834 DJIB 1432 1069 2755 754 934 EVEB 623 479 1189 432 717 GAVB 1007 925 3557 0 845 GR3B 1466 7 3680 0 6 GREB 1723 1454 4164 643 1239 HBMB 1581 1329 3224 1064 982 JIUB 1273 1191 2906 659 971 KETB 2218 1304 4803 698 1167 KIUB 1364 1219 3337 902 1120 KOLB 1641 1247 3500 973 1065 KRBB 2002 1919 4006 828 1610 KRWB 1484 1159 2839 942 990 LICB 1306 1002 2520 631 869 MAHB 1186 970 2386 524 911 MALB 1403 1060 2528 723 863 MATB 1981 1178 4615 254 1155 METB 2478 1820 4368 277 1806 MIAB 1700 1233 3507 718 1113 MSPB 1899 1364 4202 864 1197 PAUB 1282 1230 2914 979 1006 PDMB 1548 1195 3803 485 1070 REUB 1465 905 2664 309 909 REZB 3307 1927 3876 572 1697 RIQB 2772 1878 5205 599 1708 ROVB 4371 3332 5250 1011 2936 SALB 1467 1229 2868 715 946 SANB 1624 1273 3936 591 1164 SPJB 6489 3946 3954 1900 3310 STJB 1755 1570 4187 913 1398 SYPB 4270 3704 4517 1034 3171 THUB 6359 4052 4654 1592 3640 TLSB 1719 1651 3647 1313 1297 YASB 1541 1082 2756 584 972 YEMB 3543 7 5243 1149 2341 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 7.5 9.3 10.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -10.5 +- 0.9 mm TY = -4.0 +- 0.8 mm TZ = -1.1 +- 0.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.1 +- 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 0.86 0.37 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr