****************************************************************************** dorisreport 07-Apr-2011 15:11:27 Message No 2457 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1626 = 11065 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1626 from 06-03-2011 to 12-03-2011 DORIS name (using day of start): 11065 Days of year: from 2011/65 to 2011/71 ============================================================== 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/ign11065wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11065wd09.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 1626 from 06-03-2011 to 12-03-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.38 the following satellites were used in the combination 2011 65 cryosat2 envisat jason2 spot4 spot5 2011 66 cryosat2 envisat jason2 spot4 spot5 2011 67 cryosat2 envisat jason2 spot4 spot5 2011 68 cryosat2 envisat jason2 spot4 spot5 2011 69 cryosat2 envisat jason2 spot4 spot5 2011 70 cryosat2 envisat spot4 spot5 2011 71 cryosat2 envisat 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 -------------------------------------------------------- 06-03-2011 46432 911 45521 2.0 07-03-2011 45453 865 44588 1.9 08-03-2011 46180 875 45305 1.9 09-03-2011 46647 678 45969 1.5 10-03-2011 43119 830 42289 1.9 11-03-2011 27002 179 26823 0.7 12-03-2011 29194 230 28964 0.8 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 8221 8133 8215 8366 8222 5459 8150 ENVISAT 7879 7747 7646 7829 7691 7898 7600 JASON2 16311 15672 16330 16603 13164 0 0 SPOT4 4748 4718 4839 4945 4885 5037 4849 SPOT5 8362 8318 8275 8226 8327 8429 8365 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.461 0.456 0.467 0.455 0.453 0.459 0.466 ENVISAT 0.450 0.447 0.447 0.457 0.460 0.451 0.432 JASON2 0.408 0.405 0.400 0.400 0.422 0.000 0.000 SPOT4 0.438 0.441 0.443 0.425 0.440 0.420 0.419 SPOT5 0.425 0.408 0.395 0.417 0.421 0.409 0.396 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 420 420 492 429 418 425 368 AMVB 428 395 435 371 373 411 342 ARFB 290 387 362 376 234 322 271 ASEB 244 242 205 202 206 212 299 BADB 578 563 471 499 479 449 468 BEMB 1403 1361 1442 1526 1343 1440 1452 BETB 412 370 360 384 334 453 384 CADB 378 368 399 364 307 423 364 CHAB 611 589 562 607 596 595 615 CIDB 415 310 328 344 391 481 397 COBB 819 730 823 750 797 839 768 CRQB 227 299 357 323 250 261 294 DIOB 312 283 290 267 299 232 209 DJIB 361 306 298 306 355 317 361 EVEB o 228 210 205 224 196 215 237 GAVB 250 276 260 239 215 244 261 GREB 444 445 460 477 427 500 472 HBMB 457 395 441 471 506 475 385 HEMB 232 289 339 277 403 266 219 JIUB 329 274 321 442 401 441 338 KETB 432 500 395 406 477 387 486 KIUB 454 419 445 439 438 474 393 KOLB 508 428 407 478 406 523 475 KRBB 453 454 652 537 673 575 523 LICB 289 265 321 224 206 379 242 MAHB 270 156 243 302 273 261 281 MALB 355 269 244 330 393 351 360 METB 510 504 534 486 579 564 506 MIAB 446 447 421 396 416 381 436 MSPB 454 465 518 487 458 444 354 NOWB 432 442 349 377 343 300 424 PAUB 438 395 421 431 424 481 419 PDMB o 320 481 268 344 387 310 382 REUB o 372 303 278 209 236 327 294 REZB 557 625 565 538 649 488 550 RILB 289 381 355 315 300 305 349 RIQB 652 579 484 629 527 671 571 SALB 185 307 315 286 363 240 267 SANB o 354 388 461 313 342 382 464 SPJB 1271 1302 1339 1238 1189 1283 1239 STJB o 450 586 477 532 626 493 527 SYPB 1172 1077 1055 1141 1075 1099 1100 THUB 1168 1204 1218 1311 1277 1341 1301 TLSB 589 591 514 592 588 531 575 YASB 382 420 428 471 452 414 445 YEMB 537 491 469 465 468 501 488 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 4357 0 3233 0 3093 AMVB 1716 1209 2481 567 1122 ARFB 1307 1066 1985 515 939 ASEB 1097 721 1505 413 728 BADB 2115 1740 2967 736 1359 BEMB 6454 4508 2847 1922 4015 BETB 1293 1149 1909 818 956 CADB 1384 1036 2182 803 976 CHAB 2163 1719 3680 1202 1403 CIDB 1305 1146 1804 751 944 COBB 2836 2192 3673 1638 1894 CRQB 1999 876 2862 432 861 DIOB 1351 786 2218 390 814 DJIB 1467 982 1915 703 905 EVEB 592 472 996 450 709 GAVB 995 957 2415 0 889 GREB 1783 1503 3005 659 1219 HBMB 1544 1225 2097 1015 1021 HEMB 1468 984 2053 444 872 JIUB 1469 1239 2016 577 1036 KETB 2201 1342 3280 789 1133 KIUB 1455 1283 2361 953 1193 KOLB 1705 1309 2450 997 1098 KRBB 2009 1848 2567 664 1605 LICB 1269 914 1830 562 814 MAHB 1152 928 1494 428 878 MALB 1300 974 1659 746 857 METB 2525 1837 3232 264 1811 MIAB 1714 1256 2376 750 1091 MSPB 1739 1409 3026 780 1127 NOWB 1530 1273 2298 640 1039 PAUB 1364 1238 2051 988 1038 PDMB 1661 1196 2729 424 1042 REUB 1375 930 1724 344 958 REZB 3364 2078 2635 626 1646 RILB 1217 1128 1397 443 886 RIQB 2836 1899 3570 706 1702 SALB 1301 886 1997 697 783 SANB 1621 1278 2417 458 1133 SPJB 6356 4028 2680 1870 3264 STJB 2030 1559 2902 912 1382 SYPB 4357 3648 2886 1200 3172 THUB 6400 3946 3195 1569 3687 TLSB 1712 1520 2814 1316 1279 YASB 1662 1371 2339 707 1117 YEMB 3591 11 3564 1135 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 ign09d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 10.6 10.9 12.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -0.4 +- 1.6 mm TY = 1.8 +- 1.4 mm TZ = 21.4 +- 1.4 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.3 +- 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 0.46 0.51 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr