****************************************************************************** dorisreport 06-Sep-2011 20:55:18 Message No 2635 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1643 = 11184 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1643 from 03-07-2011 to 09-07-2011 DORIS name (using day of start): 11184 Days of year: from 2011/184 to 2011/190 ============================================================== 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/ign11184wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11184wd10.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 1643 from 03-07-2011 to 09-07-2011 Total number of stations = 47 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.64 the following satellites were used in the combination 2011 184 cryosat2 envisat jason2 spot4 spot5 2011 185 cryosat2 envisat jason2 spot4 spot5 2011 186 cryosat2 envisat jason2 spot4 spot5 2011 187 cryosat2 envisat jason2 spot4 spot5 2011 188 cryosat2 envisat jason2 spot4 spot5 2011 189 cryosat2 envisat jason2 spot4 spot5 2011 190 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 -------------------------------------------------------- 03-07-2011 46284 108 46176 0.2 04-07-2011 46496 98 46398 0.2 05-07-2011 46582 69 46513 0.1 06-07-2011 45184 43 45141 0.1 07-07-2011 45585 56 45529 0.1 08-07-2011 45734 60 45674 0.1 09-07-2011 47588 153 47435 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 8645 8428 8766 8396 8558 8243 8660 ENVISAT 7701 8073 7684 7508 7841 7705 7979 JASON2 16439 16522 16931 16372 16230 16618 17352 SPOT4 4913 4810 4595 4754 4749 4878 4875 SPOT5 8478 8565 8537 8111 8151 8230 8569 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.455 0.456 0.446 0.447 0.447 0.439 0.434 ENVISAT 0.468 0.462 0.445 0.446 0.455 0.450 0.461 JASON2 0.411 0.415 0.403 0.399 0.399 0.402 0.400 SPOT4 0.434 0.420 0.430 0.445 0.447 0.436 0.422 SPOT5 0.430 0.424 0.399 0.398 0.417 0.410 0.413 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 420 432 464 465 429 418 430 AMVB 407 432 401 429 374 385 467 ARFB 403 315 356 392 387 343 304 ASEB 245 363 287 218 295 278 349 BADB 443 498 497 465 470 462 500 BEMB 1451 1431 1429 1459 1466 1421 1381 BETB 394 363 366 394 387 348 303 CHAB 590 607 573 604 597 582 584 CIDB 391 401 295 376 378 401 420 COBB 789 810 701 840 772 775 847 CRQB 272 282 301 279 328 271 239 DIOB 258 298 309 239 268 273 268 DJIB 382 352 404 333 341 374 361 EASB 0 0 0 71 266 417 357 EVEB 196 245 196 191 231 222 220 GAVB 171 251 269 226 226 203 239 GR3B 0 0 0 0 0 0 0 GREB 501 467 401 486 449 447 429 HBMB 445 446 409 449 482 478 476 HEMB 0 0 0 0 0 310 268 JIUB 426 388 282 404 397 395 389 KETB 435 399 490 381 373 429 374 KIUB 427 397 400 445 422 440 416 KOLB 463 487 414 394 480 409 473 KRBB 624 463 595 540 530 605 520 KRWB 383 436 455 374 442 390 369 LICB 300 361 298 358 312 283 357 MAHB 301 328 223 258 338 339 361 MALB 332 370 367 351 333 362 358 MATB o 334 304 359 325 356 376 299 METB 508 571 538 501 494 516 512 MIAB 339 411 456 375 428 388 339 MSPB 424 424 486 445 567 403 482 PAUB 459 458 408 440 422 434 433 PDMB 388 353 459 333 299 412 338 REUB 330 349 281 281 227 257 363 REZB 588 504 527 492 486 593 448 RIQB 660 586 582 615 567 521 638 ROVB 970 1034 939 977 964 1092 997 SALB 348 358 388 369 399 422 359 SANB o 323 500 393 333 365 343 399 SPJB 1290 1238 1260 1288 1264 1308 1218 SYPB 1039 1202 1044 1101 1081 571 1158 THUB 1378 1324 1264 1314 1305 1395 1304 TLSB 584 579 574 520 566 589 547 YASB 404 408 489 0 0 0 385 YEMB 490 508 437 498 480 490 512 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 4814 0 5428 0 3185 AMVB 1745 1295 3725 650 1121 ARFB 1372 1149 2901 546 978 ASEB 1233 962 2203 434 878 BADB 2089 1675 4461 608 1387 BEMB 6449 4420 4456 2088 4005 BETB 1333 1161 2673 856 929 CHAB 2213 1693 5054 1224 1395 CIDB 1293 1182 2627 787 1009 COBB 2781 2265 5572 1683 1819 CRQB 1868 911 4232 428 816 DIOB 1246 803 3049 425 818 DJIB 1503 1031 2868 769 929 EASB 1008 475 2626 260 548 EVEB 580 464 1550 464 711 GAVB 827 901 2471 0 852 GR3B 1188 3 3447 0 1 GREB 1837 1434 4305 760 1223 HBMB 1529 1233 3176 1021 1063 HEMB 1517 976 2846 537 804 JIUB 1336 1237 2897 827 1081 KETB 2168 1276 4824 625 1132 KIUB 1336 1280 3421 878 1163 KOLB 1633 1250 3331 988 1097 KRBB 1944 1856 4195 650 1643 KRWB 1473 1125 2824 966 966 LICB 1306 1038 2588 535 887 MAHB 1131 1062 2333 441 938 MALB 1306 1022 2398 767 937 MATB 2036 1180 4455 203 1112 METB 2501 1879 4546 242 1802 MIAB 1713 1224 3488 636 1048 MSPB 1889 1429 4279 875 1142 PAUB 1435 1239 2802 987 1058 PDMB 1575 1238 3914 447 1093 REUB 1314 932 2873 382 949 REZB 3354 1930 3884 453 1708 RIQB 2725 1887 4707 796 1667 ROVB 4415 3321 5090 981 2942 SALB 1525 1129 2792 701 952 SANB 1565 1306 3790 342 1158 SPJB 6449 3973 3868 1819 3357 SYPB 4189 3463 4442 1043 2942 THUB 6313 4010 4688 1866 3724 TLSB 1562 1551 3509 1292 1299 YASB 1005 742 1902 435 612 YEMB 3494 56 5304 1089 2435 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 8.8 11.5 11.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -8.7 +- 1.2 mm TY = -6.1 +- 1.1 mm TZ = -2.9 +- 0.9 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 0.36 0.95 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr