****************************************************************************** dorisreport 11-May-2010 04:56:15 Message No 2025 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1579 = 10101 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1579 from 11-04-2010 to 17-04-2010 DORIS name (using day of start): 10101 Days of year: from 2010/101 to 2010/107 ============================================================== 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/ign10101wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10101wd09.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., 44(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 4) Global Statistics ==================== GPS week number 1579 from 11-04-2010 to 17-04-2010 Total number of stations = 46 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.15 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 11-04-2010 20686 2 20684 0.0 12-04-2010 23871 12 23859 0.1 13-04-2010 23304 11 23293 0.0 14-04-2010 23536 4 23532 0.0 15-04-2010 23397 4 23393 0.0 16-04-2010 23700 23 23677 0.1 17-04-2010 21905 16 21889 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 6279 9246 9036 8936 9115 9216 7130 SPOT4 5471 5464 5093 5359 5365 5534 5552 SPOT5 8934 9149 9164 9237 8913 8927 9207 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.434 0.444 0.440 0.432 0.442 0.473 0.468 SPOT4 0.438 0.435 0.422 0.435 0.428 0.435 0.426 SPOT5 0.403 0.408 0.399 0.403 0.406 0.431 0.420 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 1335 1468 1359 1417 1392 1329 1398 AMVB 310 435 417 455 413 359 456 ARFB 169 159 29 35 224 241 239 BADB 383 534 546 551 547 446 534 BEMB 1249 1392 1356 1396 1468 1456 1238 BETB 237 426 379 398 376 358 352 CADB 298 438 449 340 381 403 378 CHAB 587 562 581 596 595 562 568 CRQB 326 360 388 325 387 378 398 DIOB 251 296 288 280 307 329 294 DJIB 319 379 352 367 381 377 354 EVEB o 165 218 226 223 205 227 202 FAIB o 762 928 860 904 862 912 946 GAVB 167 227 240 202 235 228 196 GREB 358 473 417 472 465 411 470 HBMB 486 465 397 459 437 472 489 HEMB 394 300 390 346 364 426 361 JIUB 334 333 210 352 255 350 314 KETB 359 453 496 452 402 454 435 KIUB 343 400 389 361 408 416 395 KOLB 440 532 467 403 458 471 446 KRBB 479 597 533 618 591 625 647 KRUB 262 315 401 399 349 408 389 LICB 334 344 352 278 340 352 335 MAHB 214 316 251 310 229 348 294 MANB o 357 419 358 357 344 403 356 METB 481 554 568 535 489 537 623 MIAB 290 416 464 391 407 435 383 MSPB 501 467 402 472 506 472 503 NOWB 215 387 411 441 381 384 360 PAUB 452 441 412 424 451 462 463 PDMB o 364 328 371 427 326 370 417 REUB o 231 411 348 317 349 250 287 REZB 544 652 553 510 599 515 610 RILB 301 305 360 366 330 324 361 RIQB 477 599 645 572 550 562 456 ROUB 795 1093 1030 964 1035 1008 1203 SALB 446 300 430 465 299 484 390 SANB o 259 338 420 398 420 366 416 SPJB 1092 1310 1157 1221 1256 1190 1238 STJB o 481 499 516 578 482 539 564 SYPB 963 1197 1173 1159 1157 1115 1226 THUB 1090 1079 1113 1243 1096 1138 1174 TLSB 574 612 563 621 612 568 604 YASB 372 423 481 455 462 478 453 YEMB 604 728 754 798 784 738 790 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 3720 3121 3171 AMVB 1251 625 1131 ARFB 1056 559 964 BADB 1551 722 1451 BEMB 4220 1755 4002 BETB 1164 767 914 CADB 1090 790 925 CHAB 1706 1191 1352 CRQB 1089 501 1131 DIOB 864 458 870 DJIB 1029 760 967 EVEB 462 476 693 FAIB 2768 1206 2582 GAVB 864 0 737 GREB 1361 675 1165 HBMB 1195 1066 1123 HEMB 1244 468 1033 JIUB 967 464 1012 KETB 1362 561 1281 KIUB 1135 858 1148 KOLB 1281 1099 1040 KRBB 1793 885 1657 KRUB 1140 792 919 LICB 1046 651 886 MAHB 991 544 948 MANB 1151 735 988 METB 1799 466 1796 MIAB 1188 775 1004 MSPB 1401 864 1183 NOWB 1257 514 975 PAUB 1245 1039 1033 PDMB 1206 432 1135 REUB 976 428 971 REZB 1963 590 1783 RILB 1133 382 1009 RIQB 1822 588 1625 ROUB 3094 1382 2906 SALB 1216 754 1043 SANB 1170 502 1099 SPJB 3678 1727 3309 STJB 1520 883 1402 SYPB 3687 1305 3273 THUB 3237 1482 3517 TLSB 1672 1283 1333 YASB 1266 933 1068 YEMB 2424 877 2176 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 9.4 12.7 11.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -6.3 +- 1.8 mm TY = 6.1 +- 1.6 mm TZ = 13.9 +- 1.4 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 0.58 0.41 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