****************************************************************************** dorisreport 13-Sep-2010 18:07:07 Message No 2181 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1596 = 10220 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1596 from 08-08-2010 to 14-08-2010 DORIS name (using day of start): 10220 Days of year: from 2010/220 to 2010/226 ============================================================== 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/ign10220wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10220wd09.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 4) Global Statistics ==================== GPS week number 1596 from 08-08-2010 to 14-08-2010 Total number of stations = 48 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 4.02 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 08-08-2010 21595 12 21583 0.1 09-08-2010 22188 41 22147 0.2 10-08-2010 21778 69 21709 0.3 11-08-2010 22026 86 21940 0.4 12-08-2010 21787 10 21777 0.0 13-08-2010 21498 0 21498 0.0 14-08-2010 21962 4 21958 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 8113 8218 8146 8298 8133 7877 8065 SPOT4 5212 5571 5197 5067 5042 5158 5478 SPOT5 8258 8358 8366 8575 8602 8463 8415 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.465 0.466 0.491 0.479 0.463 0.459 0.461 SPOT4 0.440 0.428 0.423 0.435 0.437 0.456 0.445 SPOT5 0.423 0.439 0.458 0.430 0.415 0.414 0.417 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 855 900 890 871 908 871 866 ARFB 257 245 275 303 183 286 351 ASEB 307 286 261 364 311 259 289 BADB 542 496 509 495 546 514 486 BEMB 1392 1204 1289 1399 1383 1445 1418 BETB 392 396 342 436 328 376 406 CADB 399 391 445 477 358 355 378 CHAB 636 585 590 608 567 565 589 CRQB 259 264 313 292 307 322 281 DIOB 304 309 264 360 359 269 278 DJIB 360 354 390 0 0 0 0 EASB 382 406 371 364 402 394 358 EVEB o 241 231 201 219 215 210 231 GAVB 99 123 84 0 0 0 0 GREB 479 454 394 438 428 416 468 HBMB 483 447 475 429 415 518 522 HEMB 345 426 328 191 363 372 353 JIUB 360 373 379 390 253 349 349 KETB 377 327 364 460 439 417 383 KIUB 370 391 433 367 367 376 205 KOLB 486 439 478 487 407 416 495 KRBB 489 634 527 515 622 670 675 KRUB 395 405 378 369 380 366 389 LICB 332 275 320 343 359 288 331 MAHB 336 300 315 297 254 245 315 MALB 337 351 378 309 354 389 261 MANB o 405 376 336 334 428 363 438 MATB o 324 368 275 324 352 334 397 METB 493 519 562 500 505 546 562 MIAB 313 410 318 437 470 344 410 MSPB 502 521 387 438 502 470 549 NOWB 363 351 268 538 431 330 346 PAUB 447 401 136 226 394 416 481 PDMB o 304 437 347 366 410 358 335 REUB o 0 129 364 332 239 303 303 REZB 543 653 475 536 606 597 574 RILB 286 348 324 278 335 322 263 RIQB 588 465 550 689 498 516 557 ROUB 964 1109 1007 931 1100 1076 1095 SALB 342 456 361 344 484 374 379 SANB o 311 355 378 359 483 361 342 SPJB 1191 1213 1245 1197 1232 1219 1207 STJB o 520 611 480 477 502 522 542 SYPB 1141 1084 1143 1166 1081 1103 1123 THUB 1198 1197 1284 1200 1137 1159 1183 TLSB 591 580 596 613 539 606 606 YASB 464 505 494 507 509 435 453 YEMB 0 0 420 395 0 0 0 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 ----------------------------- ADFB 0 3098 3185 ARFB 1096 607 946 ASEB 903 433 907 BADB 1754 664 1393 BEMB 4577 1948 3446 BETB 1214 838 924 CADB 1173 791 990 CHAB 1735 1165 1394 CRQB 865 475 878 DIOB 888 423 1029 DJIB 915 662 838 EASB 1137 918 1109 EVEB 488 471 760 GAVB 532 0 0 GREB 1421 784 1225 HBMB 1360 1096 1014 HEMB 1041 476 1000 JIUB 1266 715 1079 KETB 1276 567 1133 KIUB 1140 804 1052 KOLB 1336 1093 981 KRBB 1886 927 1600 KRUB 1212 787 953 LICB 1036 584 858 MAHB 995 442 892 MALB 1070 763 882 MANB 1283 577 974 MATB 1276 237 1008 METB 1842 291 1845 MIAB 1285 680 1012 MSPB 1467 844 1204 NOWB 1307 525 976 PAUB 1154 981 934 PDMB 1215 425 1098 REUB 926 334 834 REZB 2036 515 1828 RILB 1144 233 936 RIQB 1958 651 1415 ROUB 3327 1141 3066 SALB 1142 714 1044 SANB 1309 360 1056 SPJB 3757 1798 3260 STJB 1547 880 1451 SYPB 3766 1228 3120 THUB 3361 1793 3494 TLSB 1681 1311 1322 YASB 1362 1072 1099 YEMB 1785 746 1665 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 10.9 11.2 13.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -11.5 +- 1.7 mm TY = 0.1 +- 1.5 mm TZ = 27.5 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.3 +- 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 0.47 0.54 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr