****************************************************************************** dorisreport 01-Jul-2011 03:16:50 Message No 2560 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1637 = 11142 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1637 from 22-05-2011 to 28-05-2011 DORIS name (using day of start): 11142 Days of year: from 2011/142 to 2011/148 ============================================================== 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/ign11142wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11142wd09.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 1637 from 22-05-2011 to 28-05-2011 Total number of stations = 45 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 4.78 the following satellites were used in the combination 2011 142 cryosat2 jason2 spot4 spot5 2011 143 cryosat2 envisat jason2 spot4 spot5 2011 144 cryosat2 envisat jason2 spot4 spot5 2011 145 cryosat2 envisat jason2 spot4 spot5 2011 146 cryosat2 envisat jason2 spot4 spot5 2011 147 cryosat2 envisat jason2 spot4 spot5 2011 148 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 -------------------------------------------------------- 22-05-2011 36386 54 36332 0.1 23-05-2011 40029 86 39943 0.2 24-05-2011 44693 58 44635 0.1 25-05-2011 45147 55 45092 0.1 26-05-2011 40354 56 40298 0.1 27-05-2011 45229 102 45127 0.2 28-05-2011 43844 118 43726 0.3 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 7862 8125 8135 8276 8035 8332 7862 ENVISAT 0 3364 7884 7878 7949 8086 7934 JASON2 15609 15548 15863 16061 11291 15555 15238 SPOT4 4846 4758 4647 4806 5009 5020 4569 SPOT5 8015 8148 8106 8071 8014 8134 8123 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.446 0.437 0.455 0.464 0.472 0.445 0.567 ENVISAT 0.000 0.459 0.464 0.452 0.459 0.451 0.464 JASON2 0.397 0.393 0.399 0.410 0.419 0.405 0.417 SPOT4 0.441 0.430 0.449 0.465 0.463 0.456 0.601 SPOT5 0.409 0.423 0.422 0.414 0.407 0.412 0.441 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 --------------------------------------------------------------- AMVB 215 385 405 440 413 352 446 ARFB 198 282 396 305 393 396 333 ASEB 0 303 330 259 296 242 308 BADB 248 382 571 524 497 485 506 BEMB 767 951 1407 1439 1439 1408 1309 BETB 211 213 413 346 355 402 291 CHAB 365 440 592 563 586 605 597 CIDB 273 340 404 324 351 435 383 COBB 506 557 772 742 790 774 778 CRQB 169 225 249 352 344 290 233 DIOB 175 189 319 316 253 298 304 DJIB 238 321 371 373 356 345 369 EVEB 169 178 202 218 206 240 204 GAVB 93 180 265 269 206 230 221 GR3B 0 0 0 0 0 0 0 GREB 280 393 429 446 472 426 453 HBMB 314 330 433 428 512 487 433 HEMB 0 0 155 373 377 356 347 JIUB 264 337 272 272 450 354 353 KETB 241 271 460 409 396 446 431 KIUB 272 360 399 372 447 438 464 KOLB 291 322 477 353 449 492 445 KRBB 353 415 407 622 617 650 559 KRWB 0 0 0 0 120 174 139 LICB 167 218 369 374 285 270 384 MAHB 211 233 325 255 349 359 288 MALB 212 287 270 359 344 340 377 METB 274 424 494 512 514 565 514 MIAB 227 256 420 449 352 438 398 MSPB 302 332 518 484 475 538 389 PAUB 285 347 405 369 391 437 448 PDMB 209 321 375 328 339 342 399 REUB 179 304 340 241 240 260 335 REZB 351 359 562 594 545 513 558 RIQB 276 496 655 488 604 546 601 ROVB 650 671 1000 1044 991 1075 1044 SALB 240 331 339 475 372 363 393 SANB o 225 293 353 488 291 440 383 SPJB 722 1011 1198 1282 1296 1291 1376 STJB 373 438 520 529 492 529 534 SYPB 605 757 1157 1092 1076 1173 1130 THUB 776 1078 1235 1193 1333 1206 1232 TLSB 358 475 600 574 575 576 548 YASB 267 337 374 488 397 209 0 YEMB 487 513 491 471 482 512 526 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 --------------------------------------------- AMVB 1687 1035 3785 620 1139 ARFB 1451 883 3024 515 994 ASEB 960 792 1793 342 771 BADB 2090 1330 4439 722 1379 BEMB 6514 3311 4325 1866 3942 BETB 1238 810 2508 827 867 CHAB 2064 1296 5119 1183 1402 CIDB 1292 880 2629 785 1001 COBB 2800 1587 5723 1640 1885 CRQB 1963 720 4243 365 870 DIOB 1268 702 2954 463 823 DJIB 1477 843 2753 707 956 EVEB 586 381 1530 458 720 GAVB 1054 730 3637 0 846 GR3B 1295 4 3581 0 3 GREB 1752 1127 4186 682 1235 HBMB 1592 978 3136 1039 1061 HEMB 1506 794 2790 552 875 JIUB 1335 964 2893 582 1085 KETB 2193 1041 4888 638 1130 KIUB 1368 960 3172 893 1200 KOLB 1643 908 3479 1064 1034 KRBB 2009 1499 4113 720 1657 KRWB 0 480 0 0 0 LICB 1314 736 2366 622 904 MAHB 1152 754 2324 532 936 MALB 1346 824 2520 679 883 METB 2559 1463 4376 274 1784 MIAB 1717 994 3518 722 1023 MSPB 1938 1124 4525 889 1162 PAUB 1360 919 2823 1021 1032 PDMB 1417 995 3687 420 1085 REUB 1476 708 2923 397 948 REZB 3272 1596 3964 518 1690 RIQB 2845 1479 4955 692 1645 ROVB 4644 2529 5191 1167 2992 SALB 1372 981 2719 659 997 SANB 1671 1043 3846 426 1148 SPJB 6343 3103 3729 2046 3291 STJB 1942 1288 4176 884 1449 SYPB 4566 2759 4467 1297 3181 THUB 6322 3169 4339 1474 3689 TLSB 1661 1250 3688 1304 1317 YASB 1145 728 2579 577 856 YEMB 3504 9 5237 1159 2444 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 12.0 13.9 12.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -3.8 +- 1.8 mm TY = 3.1 +- 1.7 mm TZ = 35.9 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.6 +- 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 0.48 1.64 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr