****************************************************************************** dorisreport 04-Nov-2010 13:26:48 Message No 2254 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1604 = 10276 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1604 from 03-10-2010 to 09-10-2010 DORIS name (using day of start): 10276 Days of year: from 2010/276 to 2010/282 ============================================================== 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/ign10276wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10276wd09.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 1604 from 03-10-2010 to 09-10-2010 Total number of stations = 45 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.45 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 03-10-2010 20265 10 20255 0.0 04-10-2010 20449 8 20441 0.0 05-10-2010 21459 32 21427 0.1 06-10-2010 21227 73 21154 0.3 07-10-2010 21069 57 21012 0.3 08-10-2010 21171 12 21159 0.1 09-10-2010 20794 7 20787 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 7715 7843 8168 8075 8079 8086 8032 SPOT4 4477 4587 5008 4781 4736 4646 4659 SPOT5 8063 8011 8251 8298 8197 8427 8096 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.449 0.451 0.485 0.483 0.479 0.456 0.447 SPOT4 0.451 0.439 0.437 0.426 0.433 0.453 0.434 SPOT5 0.413 0.412 0.438 0.442 0.434 0.422 0.419 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 428 414 373 408 366 410 403 ARFB 266 179 353 294 185 271 340 ASEB 265 258 303 257 335 266 212 BADB 517 516 492 470 484 523 503 BEMB 1443 1519 1385 1462 1412 1484 1464 BETB 327 363 396 413 377 405 313 CADB 388 389 401 377 454 383 317 CHAB 582 592 590 608 614 538 609 CRQB 322 309 282 278 307 315 302 DIOB 339 321 307 286 325 367 297 DJIB 368 355 372 398 390 331 349 EASB 454 369 379 379 358 387 427 EVEB o 164 228 241 221 231 197 198 GREB 428 468 476 515 470 446 487 HEMB 323 326 414 344 251 317 380 JIUB 335 440 336 437 397 276 461 KETB 469 369 460 454 444 425 419 KIUB 371 384 343 403 429 359 387 KOLB 379 474 471 471 502 438 395 KRBB 667 554 658 622 574 608 583 KRUB 0 181 408 346 386 345 366 LICB 292 308 246 289 326 302 270 MAHB 245 335 254 300 336 227 285 MALB 343 337 348 351 348 295 371 MANB o 392 408 430 341 280 399 329 MATB o 330 352 394 350 367 352 282 METB 506 505 537 552 534 532 518 MIAB 391 397 442 354 428 465 356 MSPB 494 514 512 415 413 523 470 NOWB 367 357 365 305 468 473 322 PAUB 400 407 394 436 444 428 388 PDMB o 349 333 388 352 328 377 401 REUB o 280 226 254 322 333 243 243 REZB 599 570 662 553 510 606 575 RILB 240 276 264 309 295 234 358 RIQB 539 646 531 653 591 512 620 ROUB 1055 968 1124 888 896 1049 913 SALB 329 294 385 288 290 364 396 SANB o 0 0 376 376 470 501 264 SPJB 1290 1241 1219 1349 1221 1331 1291 SYPB 1100 1160 1073 1124 1066 1062 1073 THUB 1310 1259 1242 1328 1301 1204 1331 TLSB 599 582 579 588 608 578 616 YASB 456 450 494 473 376 498 445 YEMB 390 390 443 442 441 390 399 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 ----------------------------- AMVB 1288 544 1076 ARFB 1076 480 942 ASEB 840 402 825 BADB 1729 568 1414 BEMB 4577 2084 3969 BETB 1157 846 900 CADB 1128 777 951 CHAB 1739 1207 1383 CRQB 860 504 902 DIOB 907 374 1091 DJIB 1092 766 926 EASB 1225 939 1103 EVEB 489 403 722 GREB 1488 699 1239 HEMB 1102 464 948 JIUB 1243 779 1024 KETB 1384 654 1160 KIUB 1209 877 1046 KOLB 1267 1033 1002 KRBB 1938 917 1625 KRUB 1109 703 890 LICB 980 591 816 MAHB 962 511 850 MALB 1022 708 941 MANB 1232 572 973 MATB 1245 231 1089 METB 1873 218 1851 MIAB 1246 681 1070 MSPB 1418 838 1217 NOWB 1253 510 1063 PAUB 1183 1006 916 PDMB 1222 448 1125 REUB 948 299 873 REZB 2045 560 1769 RILB 1027 186 934 RIQB 1929 706 1652 ROUB 3321 958 2919 SALB 1124 699 931 SANB 1110 405 960 SPJB 4048 1881 3320 SYPB 3694 1063 3164 THUB 4014 1809 3565 TLSB 1702 1291 1301 YASB 1271 1000 1125 YEMB 70 982 2099 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 9.8 13.5 13.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -5.0 +- 1.9 mm TY = -10.2 +- 1.7 mm TZ = 23.2 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.9 +- 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 0.48 0.76 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr