****************************************************************************** dorisreport 06-Sep-2011 23:10:44 Message No 2637 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1645 = 11198 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1645 from 17-07-2011 to 23-07-2011 DORIS name (using day of start): 11198 Days of year: from 2011/198 to 2011/204 ============================================================== 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/ign11198wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11198wd10.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 1645 from 17-07-2011 to 23-07-2011 Total number of stations = 48 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.76 the following satellites were used in the combination 2011 198 cryosat2 envisat jason2 spot4 spot5 2011 199 cryosat2 envisat jason2 spot4 spot5 2011 200 cryosat2 envisat jason2 spot4 spot5 2011 201 cryosat2 envisat jason2 spot4 spot5 2011 202 cryosat2 envisat jason2 spot4 spot5 2011 203 cryosat2 envisat jason2 spot4 spot5 2011 204 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 -------------------------------------------------------- 17-07-2011 48241 56 48185 0.1 18-07-2011 48564 62 48502 0.1 19-07-2011 48217 129 48088 0.3 20-07-2011 47329 118 47211 0.2 21-07-2011 47033 107 46926 0.2 22-07-2011 47509 59 47450 0.1 23-07-2011 47624 85 47539 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 9026 8920 8894 8804 8957 8842 8885 ENVISAT 8138 8136 8133 8158 8059 8017 8070 JASON2 17270 17324 17311 16671 16522 17048 16842 SPOT4 5173 5347 5043 4944 4866 5102 5123 SPOT5 8578 8775 8707 8634 8522 8441 8619 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.447 0.459 0.454 0.447 0.458 0.446 0.472 ENVISAT 0.454 0.458 0.469 0.477 0.451 0.451 0.457 JASON2 0.411 0.411 0.401 0.410 0.419 0.414 0.421 SPOT4 0.453 0.451 0.445 0.436 0.451 0.446 0.447 SPOT5 0.408 0.412 0.443 0.425 0.415 0.417 0.411 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 431 418 427 434 496 434 422 AMVB 397 362 413 376 434 417 398 ARFB 390 334 320 305 280 379 408 ASEB 300 223 318 314 285 219 298 BADB 443 422 451 417 505 493 433 BEMB 1470 1438 1424 1435 1445 1433 1425 BETB 342 402 380 382 380 372 392 CHAB 585 604 603 608 569 599 594 CIDB 342 372 371 442 326 337 440 COBB 789 788 793 798 754 785 689 CRQB 312 270 310 288 330 331 251 DIOB 270 298 252 236 282 266 309 DJIB 349 360 391 379 346 344 312 EASB 389 364 390 369 383 417 369 EVEB 192 250 192 226 197 179 218 GAVB 208 194 224 267 259 201 227 GR3B 0 0 0 0 0 0 0 GREB 432 455 479 467 373 432 409 HBMB 511 483 464 434 409 498 494 HEMB 325 389 347 266 348 368 375 JIUB 439 346 412 377 261 436 346 KETB 379 415 438 466 405 409 401 KIUB 445 412 416 434 363 431 429 KOLB 464 471 451 477 414 411 493 KRBB 551 593 577 577 589 585 662 KRWB 373 420 413 409 394 369 407 LICB 363 326 348 354 331 283 293 MAHB 358 281 323 294 252 254 237 MALB 331 349 364 368 358 366 363 MATB o 331 369 345 365 364 316 363 METB 491 544 550 526 519 515 540 MIAB 319 423 344 424 468 338 436 MSPB 506 502 417 395 512 483 540 PAUB 413 382 446 434 406 426 473 PDMB 324 324 389 354 361 374 340 REUB 261 261 284 332 237 259 324 REZB 458 604 602 481 576 589 481 RIQB 625 538 628 568 492 615 590 ROVB 965 1084 911 978 1066 972 1030 SALB 351 410 403 349 421 393 384 SANB o 294 413 334 471 492 287 374 SPJB 1279 1231 1277 1191 1313 1293 1243 STJB 504 571 548 499 477 540 501 SYPB 1117 1130 1115 1085 1104 1096 1160 THUB 1321 1317 1373 1328 1200 1332 1200 TLSB 590 572 557 593 572 601 589 YASB 438 465 0 0 0 0 0 YEMB 480 480 497 487 475 473 492 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 4881 0 5414 0 3186 AMVB 1693 1284 3670 557 1099 ARFB 1539 1127 2866 524 962 ASEB 1147 929 2321 377 822 BADB 2069 1632 4593 509 1382 BEMB 6597 4360 4487 2116 4038 BETB 1226 1194 2708 829 933 CHAB 2097 1708 5032 1212 1376 CIDB 1271 1213 2625 718 968 COBB 2744 2276 5550 1695 1780 CRQB 1909 796 4284 463 953 DIOB 1276 824 3115 401 837 DJIB 1470 1038 2757 680 930 EASB 1179 1142 2580 941 1112 EVEB 451 486 1528 440 740 GAVB 882 943 1637 0 833 GR3B 748 5 3500 0 2 GREB 1737 1454 4196 714 1227 HBMB 1585 1331 3114 1118 992 HEMB 1517 1023 2922 552 1007 JIUB 1277 1204 2983 840 1070 KETB 2271 1300 4508 608 1147 KIUB 1383 1259 3350 870 1132 KOLB 1629 1312 3434 1079 991 KRBB 1846 1914 3966 927 1667 KRWB 1493 1159 2807 943 956 LICB 1338 1023 2413 582 857 MAHB 1155 1051 2354 544 915 MALB 1350 1034 2525 743 939 MATB 2041 1201 4543 266 1127 METB 2385 1869 4313 297 1761 MIAB 1728 1250 3482 715 995 MSPB 1897 1409 4296 897 1191 PAUB 1368 1263 2858 1051 986 PDMB 1561 1167 3819 407 1135 REUB 1467 951 2882 310 884 REZB 3243 1852 3683 506 1815 RIQB 2338 1865 3468 731 1626 ROVB 4439 3328 5015 949 2994 SALB 1343 1117 2622 696 1017 SANB 1734 1300 3831 452 1063 SPJB 6316 3971 3782 1849 3322 STJB 1921 1516 4093 897 1442 SYPB 4473 3729 4459 1174 3181 THUB 6386 4006 4491 1735 3645 TLSB 1601 1648 3937 1320 1298 YASB 367 381 1005 270 300 YEMB 3488 10 5165 1092 2419 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 11.5 11.1 10.6 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -7.7 +- 1.0 mm TY = -13.7 +- 0.8 mm TZ = 15.6 +- 0.8 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.2 +- 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 0.43 1.67 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr