****************************************************************************** dorisreport 21-Apr-2011 01:27:18 Message No 2476 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1628 = 11079 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1628 from 20-03-2011 to 26-03-2011 DORIS name (using day of start): 11079 Days of year: from 2011/79 to 2011/85 ============================================================== 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/ign11079wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11079wd09.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 4) Global Statistics ==================== GPS week number 1628 from 20-03-2011 to 26-03-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.74 the following satellites were used in the combination 2011 79 cryosat2 envisat jason2 spot4 spot5 2011 80 cryosat2 envisat jason2 spot4 spot5 2011 81 cryosat2 envisat jason2 spot4 spot5 2011 82 cryosat2 envisat jason2 spot4 spot5 2011 83 cryosat2 envisat jason2 spot4 spot5 2011 84 cryosat2 envisat jason2 spot4 spot5 2011 85 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 -------------------------------------------------------- 20-03-2011 44898 929 43969 2.1 21-03-2011 44889 866 44023 1.9 22-03-2011 42978 910 42068 2.1 23-03-2011 44825 728 44097 1.6 24-03-2011 44791 971 43820 2.2 25-03-2011 44669 809 43860 1.8 26-03-2011 43934 960 42974 2.2 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 7794 7844 7806 7894 7903 7695 7806 ENVISAT 7707 7675 6233 7877 7858 7494 7291 JASON2 15603 15622 15451 15539 15512 15946 15043 SPOT4 5017 4941 4718 4824 4881 4904 4872 SPOT5 7848 7941 7860 7963 7666 7821 7962 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.452 0.461 0.452 0.441 0.466 0.437 0.445 ENVISAT 0.448 0.458 0.481 0.434 0.447 0.439 0.435 JASON2 0.408 0.414 0.413 0.399 0.404 0.391 0.408 SPOT4 0.434 0.434 0.413 0.428 0.438 0.422 0.430 SPOT5 0.414 0.425 0.429 0.389 0.405 0.409 0.418 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 --------------------------------------------------------------- ADFB 0 0 0 0 22 11 0 AMVB 414 392 367 412 428 383 380 ARFB 347 371 232 382 393 327 335 ASEB 224 205 302 266 208 231 207 BADB 451 475 383 524 543 507 484 BEMB 1459 1415 1231 1508 1493 1418 1416 BETB 417 417 405 401 345 410 370 CADB 385 366 349 425 354 344 440 CHAB 596 606 600 593 606 597 573 CIDB 298 320 388 346 257 306 339 COBB 763 765 775 715 816 745 767 CRQB 280 287 149 249 281 256 272 DIOB 331 284 275 315 264 264 294 DJIB 308 295 263 357 335 290 295 EVEB o 225 204 204 208 200 233 229 GAVB 219 222 263 289 238 230 228 GREB 422 490 433 474 497 459 484 HBMB 455 480 419 399 496 522 432 HEMB 425 392 265 231 344 400 364 JIUB 410 430 377 338 401 384 382 KETB 381 456 311 425 431 387 450 KIUB 452 401 348 440 429 451 430 KOLB 482 443 486 426 364 463 464 KRBB 587 616 381 537 546 540 611 LICB 245 205 287 240 274 291 219 MAHB 284 212 103 207 254 317 217 MALB 295 268 279 358 317 348 283 MATB o 351 345 297 368 322 392 363 METB 496 512 550 480 492 530 510 MIAB 414 349 334 430 351 406 417 MSPB 536 391 398 457 439 555 469 PAUB 462 461 464 404 424 458 432 PDMB o 320 405 326 412 363 296 324 REUB o 209 284 291 269 268 252 253 REZB 520 646 450 564 524 546 638 RILB 304 318 339 362 359 122 0 RIQB 561 633 471 677 631 559 531 SALB 365 357 290 331 325 331 246 SANB o 365 282 387 373 304 337 386 SPJB 1215 1275 1169 1271 1315 1166 1269 STJB o 540 607 446 560 565 528 565 SYPB 1140 1025 1009 1127 1117 1041 1068 THUB 1288 1389 1179 1306 1352 1282 1315 TLSB 566 601 588 528 528 596 579 YASB 483 432 390 449 366 360 491 YEMB 484 489 513 475 453 470 495 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 --------------------------------------------- ADFB 74 0 0 0 60 AMVB 1706 1153 3799 662 1114 ARFB 1362 1010 2825 593 949 ASEB 1074 716 1924 368 735 BADB 2018 1608 4580 568 1378 BEMB 6525 4216 4213 2135 4003 BETB 1292 1159 2715 851 966 CADB 1483 1063 3057 773 944 CHAB 2140 1706 5009 1237 1396 CIDB 1250 918 2433 719 893 COBB 2705 2151 5541 1687 1742 CRQB 1817 770 3703 396 735 DIOB 1398 898 3352 459 774 DJIB 1376 896 2589 719 883 EVEB 638 459 1505 464 720 GAVB 830 950 3670 0 842 GREB 1737 1423 4220 798 1163 HBMB 1512 1230 3114 1087 1068 HEMB 1583 1008 2809 588 978 JIUB 1289 1047 3046 902 1057 KETB 2250 1305 4783 496 1169 KIUB 1442 1106 3427 912 1182 KOLB 1620 1230 3511 1038 1031 KRBB 2038 1647 3954 712 1686 LICB 1285 906 2156 519 788 MAHB 1130 766 2110 467 822 MALB 1346 917 2156 720 875 MATB 2000 1251 4551 219 1124 METB 2603 1870 4555 151 1784 MIAB 1763 1178 3457 708 999 MSPB 1896 1380 4278 885 1197 PAUB 1329 1190 2799 1039 1011 PDMB 1518 1148 3757 398 1099 REUB 1420 836 2865 321 894 REZB 3275 2075 3820 471 1794 RILB 1094 1010 2338 354 834 RIQB 2841 1784 5144 820 1617 SALB 1226 1011 2159 638 959 SANB 1585 1205 3753 278 1111 SPJB 6358 3846 3798 1763 3341 STJB 1838 1538 3968 975 1466 SYPB 4323 3475 4600 1138 3164 THUB 6273 3825 4485 1942 3702 TLSB 1645 1587 3790 1295 1255 YASB 1538 1284 3363 776 1035 YEMB 3510 6 5222 1080 2425 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 12.9 12.2 15.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.7 +- 2.1 mm TY = -9.8 +- 2.6 mm TZ = 30.9 +- 2.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.6 +- 0.3 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 0.93 1.00 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr