****************************************************************************** dorisreport 30-Mar-2011 22:51:29 Message No 2445 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1624 = 11051 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1624 from 20-02-2011 to 26-02-2011 DORIS name (using day of start): 11051 Days of year: from 2011/51 to 2011/57 ============================================================== 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/ign11051wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11051wd09.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 1624 from 20-02-2011 to 26-02-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.01 the following satellites were used in the combination 2011 51 cryosat2 envisat jason2 spot4 spot5 2011 52 cryosat2 envisat jason2 spot4 spot5 2011 53 cryosat2 envisat jason2 spot4 spot5 2011 54 cryosat2 envisat jason2 spot4 spot5 2011 55 cryosat2 envisat jason2 spot4 spot5 2011 56 cryosat2 envisat jason2 spot4 spot5 2011 57 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 -------------------------------------------------------- 20-02-2011 45085 814 44271 1.8 21-02-2011 42345 844 41501 2.0 22-02-2011 43433 762 42671 1.8 23-02-2011 42737 792 41945 1.9 24-02-2011 41909 845 41064 2.0 25-02-2011 43411 897 42514 2.1 26-02-2011 44449 808 43641 1.8 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 7991 7825 7730 7462 7437 7591 7726 ENVISAT 7543 5676 7415 6462 7090 7510 7917 JASON2 16037 15383 15046 15437 14536 14965 15366 SPOT4 4860 4946 4853 4821 4522 4581 4869 SPOT5 7840 7671 7627 7763 7479 7867 7763 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.468 0.449 0.432 0.434 0.443 0.458 0.460 ENVISAT 0.465 0.450 0.430 0.457 0.454 0.450 0.448 JASON2 0.390 0.402 0.387 0.393 0.394 0.407 0.395 SPOT4 0.445 0.423 0.419 0.426 0.428 0.419 0.438 SPOT5 0.408 0.404 0.401 0.403 0.406 0.415 0.403 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 418 306 379 308 424 350 388 ARFB 343 313 354 367 210 397 419 ASEB 183 268 195 276 291 247 238 BADB 540 404 488 426 232 550 547 BEMB 1409 1320 1357 1402 1351 1402 1517 BETB 387 386 402 439 327 410 386 CADB 411 298 342 423 322 391 381 CHAB 580 608 584 611 600 573 621 CIDB 343 254 358 433 372 352 370 COBB 701 753 797 723 777 729 791 CRQB 285 271 281 250 260 312 297 DIOB 226 284 260 279 306 266 307 DJIB 363 298 90 0 0 121 346 EVEB o 212 164 201 192 233 201 210 GAVB 257 269 172 246 269 248 267 GREB 441 392 417 484 465 420 501 HBMB 470 353 527 417 414 459 458 HEMB 242 303 472 320 327 306 286 JIUB 314 330 424 429 369 311 390 KETB 435 330 432 334 440 514 397 KIUB 392 361 444 370 274 466 413 KOLB 482 222 437 537 436 454 426 KRBB 631 427 659 460 512 576 512 KRUB 367 328 0 0 0 0 0 LICB 317 364 271 343 360 221 332 MAHB 253 196 220 277 272 224 322 MALB 348 303 355 290 386 379 373 METB 580 477 514 517 535 529 479 MIAB 441 304 347 376 427 392 402 MSPB 480 447 527 466 363 517 489 NOWB 0 0 0 0 0 375 446 PAUB 410 352 273 0 0 0 0 PDMB o 362 325 369 329 369 397 338 REUB o 335 194 218 265 316 302 253 REZB 513 501 574 600 555 570 520 RILB 343 332 293 300 359 341 288 RIQB 561 517 544 613 562 600 647 SALB 241 316 393 253 371 329 283 SANB o 410 249 316 298 472 354 350 SPJB 1290 1224 1283 1146 1251 1330 1323 STJB o 454 454 572 537 557 524 524 SYPB 1100 911 1100 862 911 1038 1125 THUB 1140 1085 1340 1290 1294 1260 1289 TLSB 570 597 596 606 579 567 561 YASB 465 401 422 427 422 384 436 YEMB 480 472 481 488 512 485 448 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 1682 1059 3744 576 1103 ARFB 1424 975 3058 664 943 ASEB 1178 759 2271 318 808 BADB 1991 1441 4467 645 1300 BEMB 6385 4136 4283 2065 4029 BETB 1326 1137 2752 830 949 CADB 1501 999 3070 753 939 CHAB 2125 1700 5096 1231 1396 CIDB 1304 1132 2627 629 950 COBB 2821 2101 5678 1713 1724 CRQB 1958 824 4266 437 844 DIOB 1385 840 3305 392 791 DJIB 644 521 1336 407 401 EVEB 624 407 1548 447 694 GAVB 913 958 3642 0 894 GREB 1779 1354 4229 687 1192 HBMB 1522 1256 3110 1108 899 HEMB 1526 951 2838 600 898 JIUB 1454 1151 2982 745 1022 KETB 2176 1192 4841 643 1187 KIUB 1319 1067 3118 813 1049 KOLB 1732 1322 3506 949 1037 KRBB 2044 1587 3831 791 1605 KRUB 427 255 608 207 292 LICB 1224 1044 2528 565 911 MAHB 1101 844 2284 424 895 MALB 1386 904 2423 775 933 METB 2678 1887 4334 190 1802 MIAB 1768 1111 3531 677 1097 MSPB 1910 1347 4283 884 1228 NOWB 1202 812 2472 380 726 PAUB 1259 933 2444 733 729 PDMB 1584 1063 3870 477 1115 REUB 1427 814 2842 382 844 REZB 3426 1967 3889 517 1735 RILB 944 1081 2580 438 1014 RIQB 2835 1719 5217 820 1679 SALB 1469 923 2898 726 929 SANB 1632 1182 3893 267 1144 SPJB 6489 3810 3781 1934 3354 STJB 1994 1395 4428 974 1403 SYPB 4042 3067 3926 1143 3161 THUB 6271 3695 4580 1741 3621 TLSB 1698 1604 3770 1311 1309 YASB 1578 1196 3382 738 1164 YEMB 3608 5 5339 1120 2377 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 11.5 14.9 14.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 3.4 +- 1.8 mm TY = 4.0 +- 1.7 mm TZ = -16.3 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.0 +- 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 0.71 0.43 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr