****************************************************************************** dorisreport 23-Aug-2010 12:15:59 Message No 2146 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1591 = 10185 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1591 from 04-07-2010 to 10-07-2010 DORIS name (using day of start): 10185 Days of year: from 2010/185 to 2010/191 ============================================================== 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/ign10185wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10185wd09.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 4) Global Statistics ==================== GPS week number 1591 from 04-07-2010 to 10-07-2010 Total number of stations = 47 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.67 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 04-07-2010 22855 4 22851 0.0 05-07-2010 22716 17 22699 0.1 06-07-2010 20727 7 20720 0.0 07-07-2010 21768 14 21754 0.1 08-07-2010 21315 24 21291 0.1 09-07-2010 21563 83 21480 0.4 10-07-2010 22737 17 22720 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 8556 8490 6483 7980 7500 7427 8590 SPOT4 5323 5229 5124 5055 5298 5314 5170 SPOT5 8972 8980 9113 8719 8493 8739 8960 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.448 0.461 0.452 0.491 0.463 0.512 0.460 SPOT4 0.431 0.446 0.428 0.434 0.438 0.438 0.443 SPOT5 0.407 0.414 0.412 0.420 0.435 0.453 0.428 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 904 870 896 903 856 913 873 AMVB 404 420 436 418 454 439 427 ARFB 336 283 291 359 376 321 328 BADB 545 520 504 513 446 531 524 BEMB 1407 1214 1454 1531 1332 1296 1457 CADB 450 420 423 409 276 427 422 CHAB 597 579 587 587 589 577 594 CRQB 237 318 260 280 311 210 195 DIOB 308 328 253 302 238 291 244 DJIB 337 375 405 382 367 302 384 EASB 328 362 385 391 419 418 328 EVEB o 210 223 188 198 219 207 227 FAIB o 872 831 797 812 833 790 887 GAVB 203 243 207 252 199 186 243 GREB 458 389 423 435 403 412 474 HBMB 490 415 470 495 467 448 480 HEMB 331 388 275 357 431 412 324 JIUB 301 335 319 301 309 306 344 KETB 457 488 438 361 340 443 365 KIUB 417 394 395 389 400 354 375 KOLB 530 440 447 430 464 402 483 KRBB 602 571 480 549 575 553 477 KRUB 0 0 0 0 0 197 407 LICB 368 384 379 411 394 290 382 MAHB 344 217 276 291 291 293 296 MALB 353 387 355 376 355 339 360 MANB o 428 329 342 410 282 410 366 MATB o 389 349 306 355 351 218 327 METB 522 548 553 515 436 470 540 MIAB 426 459 395 443 422 322 310 MSPB 477 426 464 537 408 459 448 NOWB 431 395 445 446 389 318 336 PAUB 428 428 424 407 426 364 453 PDMB o 339 383 405 322 318 366 336 REUB o 335 356 308 279 222 300 373 REZB 592 529 542 547 520 644 518 RILB 300 360 302 270 324 334 339 RIQB 590 521 644 557 504 563 653 ROUB 1109 1255 974 1058 959 1008 983 SALB 303 466 440 354 463 385 338 SANB o 406 482 311 371 323 377 393 SPJB 1231 1202 1219 1218 1180 1250 1223 STJB o 484 562 446 0 0 74 472 SYPB 1091 1162 1124 1171 1101 1068 1176 THUB 1112 1130 1178 1135 1147 1161 1186 TLSB 597 573 595 577 561 593 584 YASB 463 439 437 466 416 415 400 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 3163 3179 AMVB 1293 724 1127 ARFB 1121 501 963 BADB 1697 686 1481 BEMB 4425 1746 3989 CADB 1086 800 1053 CHAB 1734 1136 1383 CRQB 855 354 801 DIOB 897 432 796 DJIB 1035 739 954 EASB 1153 935 1009 EVEB 470 438 692 FAIB 2685 1162 2534 GAVB 886 0 796 GREB 1451 673 1207 HBMB 1304 1024 1054 HEMB 1149 544 967 JIUB 1022 558 981 KETB 1320 595 1115 KIUB 1122 930 1115 KOLB 1275 1011 1094 KRBB 1775 783 1610 KRUB 967 628 785 LICB 1177 617 972 MAHB 974 423 928 MALB 1039 780 945 MANB 1209 478 1017 MATB 1202 160 1129 METB 1797 248 1813 MIAB 1288 730 1052 MSPB 1407 815 1144 NOWB 1313 689 903 PAUB 1180 976 1045 PDMB 1086 446 1121 REUB 927 433 950 REZB 1984 504 1759 RILB 1115 355 967 RIQB 1914 613 1670 ROUB 3220 1415 2938 SALB 1125 790 953 SANB 1268 421 1141 SPJB 3545 1917 3345 STJB 1331 757 1198 SYPB 3713 1276 3175 THUB 3255 1570 3517 TLSB 1679 1285 1294 YASB 1305 771 1066 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 10.3 9.8 14.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -7.6 +- 1.8 mm TY = -1.4 +- 1.7 mm TZ = 3.5 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.8 +- 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 0.49 0.79 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr