****************************************************************************** dorisreport 06-Sep-2011 23:27:21 Message No 2638 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1646 = 11205 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1646 from 24-07-2011 to 30-07-2011 DORIS name (using day of start): 11205 Days of year: from 2011/205 to 2011/211 ============================================================== 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/ign11205wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11205wd10.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 1646 from 24-07-2011 to 30-07-2011 Total number of stations = 48 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.73 the following satellites were used in the combination 2011 205 cryosat2 envisat jason2 spot4 spot5 2011 206 cryosat2 envisat jason2 spot4 spot5 2011 207 cryosat2 envisat jason2 spot4 spot5 2011 208 cryosat2 envisat jason2 spot4 spot5 2011 209 cryosat2 envisat jason2 spot4 spot5 2011 210 cryosat2 envisat jason2 spot4 spot5 2011 211 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 -------------------------------------------------------- 24-07-2011 47293 86 47207 0.2 25-07-2011 48085 126 47959 0.3 26-07-2011 48205 114 48091 0.2 27-07-2011 47695 88 47607 0.2 28-07-2011 44355 89 44266 0.2 29-07-2011 45648 200 45448 0.4 30-07-2011 44258 115 44143 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 8922 8936 9032 8817 7048 8308 8510 ENVISAT 7718 8142 8230 8252 7757 7310 7429 JASON2 16822 17221 17002 16804 16348 16819 15788 SPOT4 4979 4910 5002 5070 5073 4948 4581 SPOT5 8766 8750 8825 8664 8040 8063 7835 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.459 0.456 0.447 0.463 0.450 0.472 0.468 ENVISAT 0.463 0.459 0.470 0.459 0.457 0.465 0.472 JASON2 0.415 0.401 0.408 0.415 0.412 0.400 0.413 SPOT4 0.459 0.432 0.453 0.453 0.450 0.437 0.440 SPOT5 0.418 0.425 0.428 0.402 0.413 0.422 0.428 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 422 433 489 442 425 422 429 AMVB 434 412 418 396 444 393 459 ARFB 324 336 349 384 387 382 294 ASEB 340 329 333 272 303 281 340 BADB 468 524 493 498 468 464 482 BEMB 1227 1348 1485 1479 1426 1474 1396 BETB 367 384 381 297 384 403 357 CHAB 512 592 565 602 571 616 600 CIDB 386 372 312 290 390 403 372 COBB 718 823 770 740 821 424 0 CRQB 322 337 325 325 284 246 230 DIOB 321 303 278 268 285 282 231 DJIB 343 381 381 343 367 374 374 EASB 374 349 299 412 394 330 379 EVEB 214 207 219 197 208 223 229 GAVB 222 233 260 251 235 218 213 GR3B 0 0 0 0 0 0 0 GREB 458 368 442 480 403 438 453 HBMB 416 466 440 449 528 442 464 HEMB 318 324 202 355 420 351 335 JIUB 378 282 336 378 387 383 381 KETB 468 471 403 410 349 430 428 KIUB 371 446 395 408 466 425 420 KOLB 409 462 464 372 457 493 409 KRBB 641 549 485 565 601 557 562 KRWB 438 355 429 383 365 439 411 LICB 383 314 319 346 300 320 314 MAHB 268 309 302 255 295 314 308 MALB 354 345 291 391 331 337 347 MATB o 340 334 331 345 314 361 318 METB 486 496 493 461 227 0 0 MIAB 413 394 446 375 272 413 379 MSPB 399 416 524 410 561 426 372 PAUB 448 416 428 414 487 381 436 PDMB 363 380 365 411 343 331 413 REUB 302 355 299 244 259 302 320 REZB 558 530 507 565 504 598 557 RIQB 479 635 594 607 551 651 548 ROVB 1268 1030 1019 974 0 0 0 SALB 355 367 328 433 397 333 440 SANB o 468 394 433 314 352 372 413 SPJB 1234 1278 1221 1302 1240 1229 1214 STJB 529 518 521 574 490 527 529 SYPB 1059 1136 1154 1090 1064 1034 1148 THUB 1185 1279 1313 1329 1303 1359 1333 TLSB 580 570 571 563 560 564 577 YASB 0 189 499 486 392 461 403 YEMB 469 502 466 466 485 493 511 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 4924 0 5474 0 3178 AMVB 1755 1289 3757 674 1125 ARFB 1468 1081 3054 513 983 ASEB 1175 988 2340 512 888 BADB 2035 1667 4400 667 1391 BEMB 6592 4417 4508 1848 4012 BETB 1319 1093 2629 823 949 CHAB 2188 1633 5159 1243 1404 CIDB 1317 1118 2615 690 997 COBB 2492 1789 5148 1381 1502 CRQB 2015 826 4277 453 904 DIOB 1263 881 3008 414 851 DJIB 1501 1056 2758 711 924 EASB 1123 1204 2545 893 1013 EVEB 532 468 1462 467 692 GAVB 953 931 1753 3 860 GR3B 985 7 3350 0 2 GREB 1721 1452 4249 771 1150 HBMB 1559 1281 3095 1003 1046 HEMB 1456 1082 2813 464 885 JIUB 1339 1186 2618 716 1106 KETB 2213 1365 4736 586 1132 KIUB 1294 1221 3428 859 1178 KOLB 1667 1159 3409 1008 1104 KRBB 1996 1817 3935 730 1698 KRWB 1492 1167 2891 987 957 LICB 1241 1016 2271 601 873 MAHB 1186 985 2289 472 922 MALB 1376 975 2526 743 917 MATB 1929 1179 4613 224 1101 METB 1599 1163 2840 90 1158 MIAB 1684 1257 3408 686 1063 MSPB 1821 1369 4232 803 1113 PAUB 1321 1170 2768 979 1056 PDMB 1631 1256 3899 499 1062 REUB 1409 873 2864 409 944 REZB 3217 2006 3645 510 1749 RIQB 2307 1799 3547 754 1667 ROVB 4574 2954 5064 1168 2592 SALB 1474 1166 2807 689 958 SANB 1645 1315 3947 443 1168 SPJB 6354 3968 3751 1762 3333 STJB 1906 1602 3954 922 1415 SYPB 4672 3621 4647 1166 3164 THUB 6140 3975 4479 1728 3713 TLSB 1600 1569 3945 1274 1335 YASB 1520 1072 2918 652 886 YEMB 3482 10 5194 1092 2433 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 7.8 10.3 9.7 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -13.7 +- 0.7 mm TY = -10.9 +- 0.7 mm TZ = 39.0 +- 0.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.3 +- 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 0.56 1.37 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr