****************************************************************************** dorisreport 11-Sep-2010 17:38:38 Message No 2174 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Updated Report for week 1594 = 10206 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1594 from 25-07-2010 to 31-07-2010 DORIS name (using day of start): 10206 Days of year: from 2010/206 to 2010/212 ============================================================== 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/ign10206wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10206wd09.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 1594 from 25-07-2010 to 31-07-2010 Total number of stations = 48 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.84 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 25-07-2010 22869 101 22768 0.4 26-07-2010 22362 19 22343 0.1 27-07-2010 22407 3 22404 0.0 28-07-2010 21676 9 21667 0.0 29-07-2010 21952 4 21948 0.0 30-07-2010 20440 25 20415 0.1 31-07-2010 22023 18 22005 0.1 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 8315 8455 8332 7971 8202 6260 8184 SPOT4 5476 5074 5245 5116 5363 5401 5087 SPOT5 8977 8814 8827 8580 8383 8754 8734 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.508 0.458 0.448 0.445 0.456 0.449 0.460 SPOT4 0.421 0.436 0.447 0.437 0.435 0.428 0.428 SPOT5 0.451 0.425 0.413 0.402 0.406 0.413 0.421 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 905 875 910 874 857 900 876 ARFB 272 65 217 106 115 121 130 ASEB 0 0 154 98 126 275 311 BADB 479 499 532 550 482 539 568 BEMB 1419 1446 1424 1406 1415 1412 1341 BETB 416 403 399 381 421 391 341 CADB 430 442 387 340 381 465 366 CHAB 577 596 574 601 576 584 586 CRQB 299 228 258 277 284 249 272 DIOB 224 260 251 295 307 286 261 DJIB 397 388 398 389 380 344 392 EASB 385 352 362 404 371 336 394 EVEB o 204 237 209 177 218 205 198 FAIB o 911 550 0 0 0 0 0 GAVB 189 220 245 199 212 209 207 GREB 482 414 421 414 406 447 408 HBMB 424 467 404 486 533 438 464 HEMB 332 259 334 318 417 354 351 JIUB 387 346 205 276 364 290 229 KETB 442 392 474 459 346 470 451 KIUB 404 390 338 366 400 388 394 KOLB 477 498 444 397 491 504 409 KRBB 603 527 612 621 622 604 556 KRUB 373 419 432 362 367 423 412 LICB 351 378 389 302 322 302 317 MAHB 304 333 202 199 361 324 298 MALB 369 353 329 394 336 346 324 MANB o 345 357 399 343 385 408 448 MATB o 320 344 370 337 356 370 367 METB 536 590 558 514 510 539 555 MIAB 348 389 475 379 412 421 427 MSPB 440 443 502 469 528 433 394 NOWB 296 400 495 360 345 436 370 PAUB 448 385 426 410 464 449 410 PDMB o 345 335 410 361 341 371 392 REUB o 328 359 277 293 256 293 330 REZB 531 518 599 582 542 589 534 RILB 352 287 304 344 318 270 382 RIQB 609 601 550 525 576 580 631 ROUB 1017 1013 1078 1021 974 1106 974 SALB 338 319 471 402 399 351 411 SANB o 360 468 434 399 339 427 362 SPJB 1258 1131 1271 1236 1211 1296 1281 STJB o 531 450 561 529 487 497 508 SYPB 1076 1187 1094 1138 1072 1118 1143 THUB 1265 1227 1051 1230 1175 1112 1112 TLSB 596 599 591 610 593 578 574 YASB 476 496 527 445 452 521 479 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 3141 3177 ARFB 1035 448 978 ASEB 742 77 258 BADB 1724 716 1463 BEMB 4552 1862 3988 BETB 1220 826 940 CADB 1114 809 1026 CHAB 1740 1147 1372 CRQB 829 348 806 DIOB 904 340 839 DJIB 1096 793 946 EASB 1221 867 1005 EVEB 472 445 689 FAIB 736 246 618 GAVB 871 0 774 GREB 1475 658 1157 HBMB 1289 1016 1032 HEMB 1093 535 884 JIUB 1024 412 942 KETB 1345 678 1144 KIUB 1182 862 1135 KOLB 1283 1037 1111 KRBB 1953 829 1645 KRUB 1229 797 958 LICB 1026 584 897 MAHB 1034 392 944 MALB 1059 754 914 MANB 1246 663 1026 MATB 1264 223 1117 METB 1862 424 1818 MIAB 1259 743 1058 MSPB 1406 803 1123 NOWB 1257 608 992 PAUB 1234 989 1051 PDMB 1213 408 1096 REUB 904 440 947 REZB 1984 525 1750 RILB 1112 331 972 RIQB 1943 640 1670 ROUB 3266 1272 2927 SALB 1204 737 956 SANB 1278 498 1167 SPJB 3824 1819 3351 STJB 1566 920 1380 SYPB 3741 1179 3174 THUB 3401 1536 3522 TLSB 1692 1271 1341 YASB 1349 1092 1108 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 ign07d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 13.2 14.9 21.6 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -11.6 +- 2.3 mm TY = -5.0 +- 2.3 mm TZ = 3.0 +- 2.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -0.9 +- 0.3 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 0.75 0.72 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr