****************************************************************************** dorisreport 07-May-2011 19:17:17 Message No 2494 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1629 = 11086 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1629 from 27-03-2011 to 02-04-2011 DORIS name (using day of start): 11086 Days of year: from 2011/86 to 2011/92 ============================================================== 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/ign11086wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11086wd09.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 1629 from 27-03-2011 to 02-04-2011 Total number of stations = 44 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.82 the following satellites were used in the combination 2011 86 cryosat2 envisat jason2 spot4 spot5 2011 87 cryosat2 envisat jason2 spot4 spot5 2011 88 cryosat2 envisat jason2 spot4 spot5 2011 89 cryosat2 envisat jason2 spot4 spot5 2011 90 cryosat2 envisat jason2 spot4 spot5 2011 91 cryosat2 envisat jason2 spot4 spot5 2011 92 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 -------------------------------------------------------- 27-03-2011 42919 889 42030 2.1 28-03-2011 43059 837 42222 1.9 29-03-2011 42573 914 41659 2.1 30-03-2011 43039 830 42209 1.9 31-03-2011 42936 892 42044 2.1 01-04-2011 43895 864 43031 2.0 02-04-2011 43995 837 43158 1.9 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 7684 7785 7727 7792 7618 7639 7724 ENVISAT 7321 6927 6484 7434 7145 7496 7713 JASON2 14801 15195 15286 14836 15056 15436 15260 SPOT4 4551 4476 4618 4665 4626 4716 4680 SPOT5 7673 7839 7544 7482 7599 7744 7781 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.451 0.454 0.461 0.467 0.452 0.464 0.478 ENVISAT 0.449 0.451 0.439 0.455 0.437 0.448 0.466 JASON2 0.412 0.411 0.401 0.409 0.398 0.401 0.402 SPOT4 0.425 0.427 0.458 0.461 0.432 0.441 0.438 SPOT5 0.417 0.420 0.401 0.413 0.404 0.426 0.423 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 444 322 420 388 420 437 357 ARFB 269 377 293 338 274 283 252 ASEB 239 176 145 237 247 242 273 BADB 477 563 503 486 502 505 485 BEMB 1319 1388 1293 1432 1364 1383 1429 BETB 364 412 258 358 396 387 424 CADB 377 408 322 332 353 394 416 CHAB 588 574 477 586 553 597 597 CIDB 319 282 277 322 321 416 434 COBB 829 709 628 819 756 819 789 CRQB 248 304 296 261 224 266 271 DIOB 267 276 312 269 333 256 255 DJIB 293 277 247 229 228 254 366 EVEB 205 234 206 198 223 216 217 GAVB 229 225 223 194 188 232 246 GREB 488 429 459 481 459 494 474 HBMB 475 358 417 501 455 455 442 HEMB 287 240 334 339 373 323 183 JIUB 399 237 317 440 329 429 391 KETB 415 520 417 400 435 390 457 KIUB 457 453 425 434 420 458 456 KOLB 463 427 286 474 440 442 488 KRBB 551 496 574 563 575 546 479 LICB 283 222 217 184 165 303 231 MAHB 214 197 219 152 85 44 318 MALB 237 243 300 223 245 351 303 MATB o 336 334 312 354 362 315 339 METB 538 426 533 485 472 507 523 MIAB 329 448 386 328 410 334 425 MSPB 382 537 443 535 469 394 431 PAUB 437 288 334 416 320 437 446 PDMB 349 403 396 304 361 394 380 REUB 348 268 233 280 260 343 321 REZB 506 557 542 528 547 563 444 RIQB 595 645 518 624 541 598 711 SALB 277 244 354 276 238 216 250 SANB o 393 366 426 276 434 296 335 SPJB 1211 1228 1248 1227 1294 1261 1258 STJB 492 527 551 520 576 549 513 SYPB 1056 1096 962 1075 1124 1152 1113 THUB 1305 1155 1155 1290 1148 1367 1299 TLSB 561 580 476 593 564 599 603 YASB 352 406 467 355 473 430 435 YEMB 516 492 463 464 496 521 487 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 1695 1217 3797 651 1091 ARFB 1354 945 2733 532 880 ASEB 967 690 1927 405 750 BADB 2080 1713 4396 725 1407 BEMB 6545 4265 4285 1885 3938 BETB 1334 1087 2773 806 957 CADB 1491 1032 2982 683 1008 CHAB 2165 1514 5213 1200 1424 CIDB 1265 1027 2424 687 906 COBB 2799 2040 5566 1637 1892 CRQB 1840 891 3872 346 756 DIOB 1332 788 3294 467 804 DJIB 1339 869 2226 651 826 EVEB 560 459 1474 467 686 GAVB 965 793 3478 0 836 GREB 1786 1453 4242 738 1213 HBMB 1603 1231 3112 1011 1012 HEMB 1368 935 2778 437 846 JIUB 1352 1243 3061 621 993 KETB 2322 1360 4696 634 1179 KIUB 1445 1295 3493 902 1184 KOLB 1687 1140 3397 958 1093 KRBB 1968 1859 3580 678 1552 LICB 1163 767 1904 533 736 MAHB 892 727 1677 340 708 MALB 1237 857 2045 752 794 MATB 2029 1133 4376 219 1128 METB 2478 1737 4426 185 1794 MIAB 1714 1253 3501 581 1101 MSPB 1881 1311 4306 875 1158 PAUB 1336 1052 2676 880 1027 PDMB 1507 1164 3796 479 1111 REUB 1478 915 2725 425 953 REZB 3265 1860 3876 523 1728 RIQB 2877 1876 5330 823 1710 SALB 1190 923 2131 622 777 SANB 1643 1266 3572 323 1109 SPJB 6373 3823 3670 1878 3309 STJB 1919 1524 4136 991 1375 SYPB 4601 3431 4619 1240 3165 THUB 6370 3835 4523 1601 3650 TLSB 1682 1514 3829 1306 1319 YASB 1602 1260 3313 711 1088 YEMB 3488 5 5291 1138 2432 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 11.3 12.1 10.6 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.0 +- 1.5 mm TY = -1.4 +- 1.5 mm TZ = 49.5 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.1 +- 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 0.80 0.81 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr