****************************************************************************** dorisreport 06-Sep-2011 20:08:45 Message No 2632 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1640 = 11163 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1640 from 12-06-2011 to 18-06-2011 DORIS name (using day of start): 11163 Days of year: from 2011/163 to 2011/169 ============================================================== 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/ign11163wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11163wd10.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 1640 from 12-06-2011 to 18-06-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.98 the following satellites were used in the combination 2011 163 cryosat2 envisat jason2 spot4 spot5 2011 164 cryosat2 envisat jason2 spot4 spot5 2011 165 cryosat2 envisat jason2 spot4 spot5 2011 166 cryosat2 envisat jason2 spot4 spot5 2011 167 cryosat2 envisat jason2 spot4 spot5 2011 168 cryosat2 envisat jason2 spot4 spot5 2011 169 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 -------------------------------------------------------- 12-06-2011 47561 64 47497 0.1 13-06-2011 46362 116 46246 0.3 14-06-2011 45644 105 45539 0.2 15-06-2011 43755 87 43668 0.2 16-06-2011 39749 99 39650 0.2 17-06-2011 44243 46 44197 0.1 18-06-2011 45826 147 45679 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 8790 8387 8688 7864 8110 8104 8555 ENVISAT 8088 7783 7398 7552 5136 7464 7686 JASON2 16880 16666 16488 15818 14705 15816 16591 SPOT4 4986 4727 4476 4353 4264 4564 4621 SPOT5 8753 8683 8489 8081 7435 8249 8226 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.447 0.435 0.433 0.447 0.437 0.454 0.431 ENVISAT 0.455 0.443 0.456 0.466 0.465 0.446 0.443 JASON2 0.391 0.385 0.402 0.385 0.393 0.396 0.398 SPOT4 0.443 0.441 0.443 0.449 0.425 0.438 0.432 SPOT5 0.423 0.407 0.412 0.424 0.415 0.416 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 415 427 438 494 427 428 427 AMVB 398 454 372 404 395 384 435 ARFB 354 302 375 321 362 377 345 ASEB 278 230 294 343 349 235 319 BADB 171 0 0 0 0 449 458 BEMB 1452 1432 1430 1545 1409 1347 1434 BETB 406 375 407 391 300 426 354 CHAB 568 582 607 614 582 588 615 CIDB 442 400 405 362 279 436 412 COBB 814 783 603 0 0 0 0 CRQB 274 260 286 272 265 274 251 DIOB 283 258 269 299 266 275 302 DJIB 362 351 371 355 356 376 339 EVEB 221 232 191 205 226 217 230 GAVB 223 253 227 261 202 219 248 GR3B 0 0 0 0 0 0 0 GREB 469 477 416 458 421 441 484 HBMB 498 415 463 473 459 498 428 JIUB 430 357 369 372 321 334 332 KETB 394 398 509 398 444 405 399 KIUB 428 406 407 401 382 438 418 KOLB 513 441 456 426 410 481 501 KRBB 584 547 513 544 579 641 504 KRWB 383 444 374 389 316 382 455 LICB 318 357 293 326 342 303 386 MAHB 359 289 285 315 302 304 306 MALB 351 361 382 369 370 340 361 MATB o 361 312 315 395 342 348 398 METB 502 502 491 480 498 537 540 MIAB 414 382 387 415 344 368 399 MSPB 495 424 398 481 523 482 413 PAUB 414 428 415 415 441 427 460 PDMB 343 410 388 321 385 337 346 REUB 300 327 328 253 245 305 341 REZB 582 520 528 498 573 592 460 RIQB 554 592 684 560 581 533 638 ROVB 1089 986 951 1005 0 1113 970 SALB 316 457 376 359 396 348 316 SANB o 404 403 342 463 257 374 424 SPJB 1257 1281 1268 1310 1225 1264 1249 STJB 552 546 560 497 561 551 513 SYPB 1108 1154 1104 1126 1040 1108 1125 THUB 1341 1268 1378 1291 1254 1321 1322 TLSB 604 576 0 0 0 324 560 YASB 436 438 320 409 194 0 0 YEMB 492 513 481 457 466 491 520 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 4830 0 5407 0 3191 AMVB 1678 1262 3874 616 1102 ARFB 1458 1099 3019 513 996 ASEB 1191 977 2276 505 897 BADB 726 568 1939 139 462 BEMB 6463 4548 4359 2021 3938 BETB 1224 1137 2684 868 883 CHAB 2099 1701 5057 1243 1407 CIDB 1259 1140 2723 837 1003 COBB 2603 1851 5213 1445 1620 CRQB 1927 906 4225 332 777 DIOB 1277 868 2968 427 779 DJIB 1474 1028 2777 746 937 EVEB 632 482 1569 483 729 GAVB 935 950 3596 0 828 GR3B 1483 5 3555 0 1 GREB 1736 1353 4183 826 1219 HBMB 1486 1286 3125 1024 1074 JIUB 1280 1137 2937 865 1043 KETB 2217 1289 4525 621 1151 KIUB 1384 1218 3301 865 1201 KOLB 1657 1310 3501 1025 1052 KRBB 2152 1990 4117 678 1663 KRWB 1494 1122 2797 980 946 LICB 1179 1054 2632 574 864 MAHB 1077 1016 2326 509 935 MALB 1361 1026 2478 752 942 MATB 2026 1219 4594 279 1106 METB 2525 1828 4538 195 1785 MIAB 1756 1249 3449 575 1033 MSPB 1869 1389 4306 842 1158 PAUB 1412 1205 2880 976 1039 PDMB 1550 1197 3749 398 1129 REUB 1387 944 2969 384 957 REZB 3367 1993 3856 419 1784 RIQB 2814 1881 4869 749 1670 ROVB 3738 2820 4442 916 2561 SALB 1477 1113 2893 697 968 SANB 1682 1363 3818 324 1147 SPJB 6465 3994 3982 1818 3377 STJB 1944 1518 4208 1006 1434 SYPB 4053 3721 4724 1170 3169 THUB 6213 3888 4551 1934 3692 TLSB 1507 1358 3670 1084 1163 YASB 1294 1068 2992 498 862 YEMB 3485 11 5280 1107 2448 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 7.3 10.0 9.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -16.1 +- 1.0 mm TY = 0.1 +- 1.0 mm TZ = -13.7 +- 0.9 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 0.75 0.48 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr