****************************************************************************** dorisreport 13-Oct-2010 18:59:44 Message No 2224 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1601 = 10255 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1601 from 12-09-2010 to 18-09-2010 DORIS name (using day of start): 10255 Days of year: from 2010/255 to 2010/261 ============================================================== 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/ign10255wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10255wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign08wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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/ign08wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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 4) Global Statistics ==================== GPS week number 1601 from 12-09-2010 to 18-09-2010 Total number of stations = 46 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 4.20 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 12-09-2010 21573 50 21523 0.2 13-09-2010 21946 27 21919 0.1 14-09-2010 21814 7 21807 0.0 15-09-2010 22004 6 21998 0.0 16-09-2010 21696 5 21691 0.0 17-09-2010 21281 7 21274 0.0 18-09-2010 12892 5 12887 0.0 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 --------------------------------------------------------------- ENVISAT 8206 8384 8070 8441 8229 7921 8054 SPOT4 4827 4986 5326 5092 4851 4798 4833 SPOT5 8490 8549 8411 8465 8611 8555 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.476 0.457 0.456 0.459 0.442 0.459 0.436 SPOT4 0.442 0.444 0.439 0.451 0.431 0.457 0.431 SPOT5 0.433 0.427 0.408 0.423 0.415 0.406 0.000 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 --------------------------------------------------------------- ARFB 153 262 121 63 106 116 72 ASEB 254 303 229 281 397 164 199 BADB 508 511 489 518 512 515 352 BEMB 1466 1484 1443 1435 1348 1415 894 BETB 323 307 322 431 349 389 232 CADB 411 356 349 471 387 399 269 CHAB 592 604 580 585 594 580 413 CRQB 395 366 338 272 266 403 208 DIOB 377 346 308 344 351 294 169 DJIB 396 344 356 372 322 415 286 EASB 356 425 418 329 355 368 206 EVEB o 200 199 205 213 235 203 111 GREB 394 483 443 482 450 406 276 HBMB 471 440 526 459 396 478 376 HEMB 294 372 463 266 319 363 137 JIUB 318 419 396 380 373 310 218 KETB 488 515 531 511 551 527 284 KIUB 355 400 444 380 356 373 239 KOLB 454 419 454 538 446 408 344 KRBB 617 565 659 596 544 667 411 KRUB 323 361 352 379 440 379 256 LICB 319 350 287 312 299 246 220 MAHB 332 264 336 318 281 269 121 MALB 355 356 345 347 362 279 225 MANB o 400 353 396 403 313 376 234 MATB o 372 358 341 403 370 322 202 METB 557 520 567 538 575 574 289 MIAB 463 390 348 411 446 373 238 MSPB 548 471 526 440 378 517 324 NOWB 475 387 293 440 414 422 253 PAUB 342 411 410 462 338 422 297 PDMB o 354 363 350 314 394 405 178 REUB o 274 259 266 375 318 314 213 REZB 534 583 541 591 577 556 221 RILB 219 350 287 306 265 330 166 RIQB 526 646 568 593 588 549 342 ROUB 1057 954 1045 1104 1048 1031 653 SALB 325 462 433 254 450 63 0 SANB o 488 321 350 397 497 359 280 SPJB 1221 1268 1248 1313 1189 1334 748 STJB o 503 589 532 496 526 554 299 SYPB 1140 1082 1093 1118 1113 1091 661 THUB 1158 1273 1302 1190 1277 1197 775 TLSB 600 601 595 610 562 600 424 YASB 506 499 436 497 525 453 288 YEMB 393 396 448 443 403 427 138 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) ----------------------------------------------------------------- ENVISAT SPOT4 SPOT5 ----------------------------- ARFB 976 469 799 ASEB 873 378 725 BADB 1763 668 1219 BEMB 4542 1960 3448 BETB 1136 758 781 CADB 1164 780 848 CHAB 1734 1165 1190 CRQB 1032 452 909 DIOB 908 463 965 DJIB 1078 794 805 EASB 1144 918 909 EVEB 486 416 605 GREB 1469 643 1049 HBMB 1349 1108 849 HEMB 1040 492 783 JIUB 1297 630 887 KETB 1461 1009 1106 KIUB 1217 822 936 KOLB 1337 1004 916 KRBB 1927 947 1423 KRUB 1211 770 842 LICB 1022 627 724 MAHB 1034 379 794 MALB 1064 760 783 MANB 1241 625 835 MATB 1285 236 975 METB 1865 366 1597 MIAB 1287 699 938 MSPB 1466 834 1053 NOWB 1306 579 943 PAUB 1169 969 820 PDMB 1146 420 959 REUB 968 411 771 REZB 1949 577 1488 RILB 1072 262 773 RIQB 1973 560 1439 ROUB 3298 1277 2559 SALB 850 571 729 SANB 1289 533 990 SPJB 3842 1906 2869 STJB 1591 928 1213 SYPB 3747 1116 2719 THUB 3914 1533 3038 TLSB 1692 1284 1149 YASB 1348 986 992 YEMB 89 1004 1798 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT 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 10.1 9.3 12.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -2.0 +- 1.9 mm TY = -0.3 +- 1.8 mm TZ = 16.8 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.7 +- 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 0.73 0.97 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr