****************************************************************************** dorisreport 04-Feb-2011 15:27:33 Message No 2377 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1617 = 11002 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1617 from 02-01-2011 to 08-01-2011 DORIS name (using day of start): 11002 Days of year: from 2011/2 to 2011/8 ============================================================== 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/ign11002wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11002wd09.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 4) Global Statistics ==================== GPS week number 1617 from 02-01-2011 to 08-01-2011 Total number of stations = 48 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 5.53 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 02-01-2011 22694 12 22682 0.1 03-01-2011 22443 8 22435 0.0 04-01-2011 22532 8 22524 0.0 05-01-2011 22345 18 22327 0.1 06-01-2011 22329 99 22230 0.4 07-01-2011 22035 27 22008 0.1 08-01-2011 21842 8 21834 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 8402 8424 8377 8404 8367 8086 8165 SPOT4 5321 5082 5136 5109 5307 5185 4924 SPOT5 8959 8929 9011 8814 8556 8737 8745 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.447 0.450 0.446 0.461 0.458 0.465 0.446 SPOT4 0.421 0.441 0.435 0.424 0.429 0.424 0.422 SPOT5 0.428 0.409 0.412 0.416 0.429 0.443 0.416 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 168 56 48 110 15 70 70 AMVB 370 427 355 450 442 454 426 ARFB 397 285 396 361 381 330 340 ASEB 243 330 234 295 241 261 314 BADB 444 481 550 502 512 524 496 BEMB 1492 1391 1366 1479 1432 1374 1445 CADB 400 370 393 349 345 426 451 CHAB 601 599 567 572 598 571 615 CIDB 462 364 365 374 346 419 397 COBB 758 778 775 807 746 837 803 CRQB 285 275 329 353 354 266 284 DIOB 256 305 248 300 256 281 269 DJIB 375 355 399 375 378 347 305 EASB 317 383 365 387 423 367 333 EVEB o 223 241 200 219 219 218 238 GAVB 234 279 219 266 243 218 124 GREB 475 485 432 474 460 443 480 HBMB 495 390 384 476 471 457 435 HEMB 327 319 353 250 488 376 261 JIUB 447 373 331 347 447 388 419 KETB 422 422 523 375 377 396 408 KIUB 458 434 453 406 430 488 422 KOLB 528 455 420 420 424 499 460 KRBB 628 503 584 567 616 628 496 KRUB 290 373 299 322 337 346 344 LICB 327 386 295 194 0 0 0 MAHB 333 234 262 241 312 313 281 MALB 349 370 375 383 364 353 355 METB 522 580 543 530 476 532 532 MIAB 408 460 401 442 408 401 410 MSPB 472 373 517 521 498 460 455 NOWB 340 400 419 457 333 0 0 PAUB 375 414 395 427 445 467 405 PDMB o 331 396 412 314 394 339 356 REUB o 328 321 305 303 215 332 334 REZB 566 529 592 566 525 605 530 RILB 297 293 334 279 329 323 324 RIQB 670 568 598 555 555 528 625 ROUB 878 1044 1026 1042 980 1113 984 SALB 233 375 422 346 469 320 325 SANB o 336 369 337 356 343 402 430 SPJB 1272 1218 1365 1297 1259 1366 1286 STJB o 530 519 539 466 611 512 516 SYPB 1102 1144 1110 1126 1077 1084 1179 THUB 1342 1270 1214 1223 1324 1244 1310 TLSB 599 570 578 560 562 516 572 YASB 426 434 419 458 434 402 425 YEMB 491 509 489 457 483 488 511 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 0 3177 AMVB 1181 752 1141 ARFB 1091 542 969 ASEB 869 371 846 BADB 1728 637 1379 BEMB 4477 1982 3994 CADB 1104 829 962 CHAB 1696 1183 1407 CIDB 1215 752 1007 COBB 2215 1675 1827 CRQB 958 413 936 DIOB 894 399 740 DJIB 1033 772 933 EASB 1115 916 1001 EVEB 481 496 702 GAVB 882 0 813 GREB 1450 724 1203 HBMB 1189 1028 1060 HEMB 1023 613 887 JIUB 1258 666 1103 KETB 1397 543 1146 KIUB 1298 888 1184 KOLB 1323 972 1094 KRBB 1816 794 1656 KRUB 1065 759 913 LICB 756 353 629 MAHB 979 410 941 MALB 1013 760 944 METB 1886 250 1800 MIAB 1287 747 1056 MSPB 1415 913 1139 NOWB 911 418 725 PAUB 1240 978 1043 PDMB 1196 434 1088 REUB 977 412 939 REZB 2038 543 1767 RILB 1116 367 966 RIQB 1902 730 1661 ROUB 3311 1099 2909 SALB 1080 745 946 SANB 1293 345 1106 SPJB 4128 1862 3365 STJB 1531 885 1434 SYPB 3665 1274 3163 THUB 3953 1578 3679 TLSB 1552 1254 1291 YASB 1318 769 1059 YEMB 10 1124 2439 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 13.6 14.2 15.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -2.7 +- 2.0 mm TY = -10.4 +- 2.0 mm TZ = 24.7 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.2 +- 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 0.71 0.63 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