****************************************************************************** dorisreport 14-Jun-2010 20:02:36 Message No 2058 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Updated Report for week 1581 = 10115 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1581 from 25-04-2010 to 01-05-2010 DORIS name (using day of start): 10115 Days of year: from 2010/115 to 2010/121 ============================================================== 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/ign10115wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10115wd09.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 1581 from 25-04-2010 to 01-05-2010 Total number of stations = 47 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.51 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 25-04-2010 23896 43 23853 0.2 26-04-2010 22562 71 22491 0.3 27-04-2010 20392 48 20344 0.2 28-04-2010 22594 9 22585 0.0 29-04-2010 20364 11 20353 0.1 30-04-2010 23302 9 23293 0.0 01-05-2010 24027 8 24019 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 9261 8722 6302 8847 8934 8930 9298 SPOT4 5375 5069 5276 4956 5039 5299 5574 SPOT5 9217 8700 8766 8782 6380 9064 9147 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.456 0.475 0.453 0.458 0.444 0.446 0.438 SPOT4 0.444 0.452 0.444 0.437 0.437 0.433 0.442 SPOT5 0.414 0.445 0.419 0.425 0.410 0.404 0.415 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 1466 0 0 0 912 1418 1425 AMVB 446 403 322 454 421 445 377 ARFB 171 303 193 307 336 244 322 BADB 539 514 260 261 0 0 515 BEMB 1471 1317 1173 1412 1337 1431 1470 BETB 358 349 417 428 400 338 424 CADB 427 366 371 438 347 391 378 CHAB 579 558 572 570 575 574 586 CRQB 435 368 358 373 378 396 394 DIOB 318 305 257 275 319 291 280 DJIB 368 399 386 273 379 400 377 EASB 397 418 391 319 370 427 376 EVEB o 213 229 197 216 197 211 225 FAIB o 837 891 805 911 816 892 905 GAVB 231 227 178 239 249 199 236 GREB 451 454 483 462 426 468 481 HBMB 468 466 511 448 402 422 486 HEMB 346 493 433 297 330 353 424 JIUB 325 360 445 345 245 281 384 KETB 400 452 396 444 506 450 404 KIUB 359 374 344 432 400 406 412 KOLB 433 432 463 529 464 380 484 KRBB 550 651 633 497 547 663 572 KRUB 368 411 361 322 413 362 346 LICB 285 335 292 388 388 357 373 MAHB 260 235 329 280 278 278 326 MANB o 385 313 346 413 412 377 365 METB 534 490 531 556 457 530 493 MIAB 463 318 354 444 466 390 392 MSPB 505 478 528 369 450 500 503 NOWB 456 377 278 429 491 377 347 PAUB 403 429 448 460 397 399 443 PDMB o 379 338 365 334 424 312 341 REUB o 306 294 293 413 333 294 266 REZB 576 677 647 554 619 572 538 RILB 286 294 294 326 329 328 270 RIQB 556 516 478 598 642 492 657 ROUB 1014 1094 995 1079 994 1026 958 SALB 364 471 390 331 457 425 351 SANB o 439 402 312 442 369 429 286 SPJB 1192 1192 1207 1223 1222 1273 1215 STJB o 462 526 557 484 529 542 494 SYPB 1239 1109 1034 1255 1132 1140 1119 THUB 1133 1114 1193 1048 1084 1152 1195 TLSB 561 592 580 609 584 595 615 YASB 442 474 421 462 397 390 443 YEMB 767 748 765 810 782 761 754 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 3068 2360 2588 AMVB 1333 651 1093 ARFB 1114 554 934 BADB 1047 373 851 BEMB 4357 1857 3989 BETB 1200 818 947 CADB 1150 753 1005 CHAB 1703 1116 1376 CRQB 1237 542 1121 DIOB 887 431 850 DJIB 1117 808 955 EASB 1143 891 1093 EVEB 485 432 716 FAIB 2768 1190 2537 GAVB 909 0 781 GREB 1454 711 1237 HBMB 1262 1132 966 HEMB 1193 633 1065 JIUB 1192 521 988 KETB 1417 598 1292 KIUB 1201 896 1097 KOLB 1341 1023 976 KRBB 1932 962 1574 KRUB 1211 769 985 LICB 1171 632 898 MAHB 1104 513 919 MANB 1273 664 966 METB 1858 276 1788 MIAB 1288 682 1049 MSPB 1456 849 1208 NOWB 1312 568 1051 PAUB 1226 1017 936 PDMB 1136 446 1103 REUB 1082 383 935 REZB 2029 646 1828 RILB 1095 307 995 RIQB 1960 542 1664 ROUB 3259 1237 2995 SALB 1168 814 1008 SANB 1309 457 1076 SPJB 3657 1862 3274 STJB 1574 818 1360 SYPB 3921 1207 3296 THUB 3267 1484 3423 TLSB 1681 1290 1305 YASB 1349 670 1152 YEMB 2509 964 2201 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 13.7 15.7 14.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -1.7 +- 2.0 mm TY = -2.5 +- 1.8 mm TZ = 51.9 +- 1.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.1 +- 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 0.91 0.86 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr