****************************************************************************** dorisreport 26-May-2009 05:52:29 Message No 1646 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1528 = 09109 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1528 from 19-04-2009 to 25-04-2009 DORIS name (using day of start): 09109 Days of year: from 2009/109 to 2009/115 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-5727-8481 FAX +33-1-5727-8482 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/ign09109wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign09109wd09.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., C. Boucher, H. Fagard, Z. Altamimi (2005), Applications geodesiques du systeme DORIS a l'Institut Geographique National, Geodetic applications of the DORIS system at the French Institut Geographique National, C.R. Geoscience, 337(7), 653-662, DOI: 10.1016/j.crte.2005.03.002 4) Global Statistics ==================== GPS week number 1528 from 19-04-2009 to 25-04-2009 Total number of stations = 44 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 3.35 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 19-04-2009 23335 28 23307 0.1 20-04-2009 23883 24 23859 0.1 21-04-2009 23541 22 23519 0.1 22-04-2009 23762 68 23694 0.3 23-04-2009 23926 19 23907 0.1 24-04-2009 24521 15 24506 0.1 25-04-2009 23923 10 23913 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 8220 8465 7770 8443 8592 8755 8426 SPOT2 1666 1924 2047 1948 1897 2021 1591 SPOT4 5004 5098 5207 4965 4809 4977 5225 SPOT5 8417 8372 8495 8338 8609 8753 8671 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.446 0.465 0.452 0.480 0.486 0.432 0.431 SPOT2 0.489 0.439 0.456 0.442 0.480 0.443 0.410 SPOT4 0.449 0.435 0.427 0.423 0.430 0.442 0.418 SPOT5 0.414 0.420 0.411 0.434 0.439 0.409 0.399 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 1598 1568 1583 1578 1516 1645 1499 AMVB 432 523 456 488 411 458 373 ARFB 352 470 393 311 442 339 352 ASDB o 50 42 19 0 39 0 0 BEMB 1445 1483 1559 1230 1468 1490 1411 BETB 391 367 350 282 356 443 429 CADB 418 402 463 487 404 502 411 CHAB 664 694 681 559 660 657 712 CIDB 402 452 484 386 439 430 391 CRQB 411 423 389 347 360 410 357 DIOB 353 359 300 346 402 386 372 DJIB 418 419 386 461 397 426 335 EASB 442 377 424 472 472 385 415 EVEB o 254 196 249 321 195 239 225 FAIB o 872 949 906 850 851 886 879 HBMB 346 425 401 421 325 446 364 HEMB 423 426 411 408 312 321 528 JIUB 475 560 481 440 466 509 416 KETB 497 423 459 608 531 410 499 KIUB 461 525 504 517 502 509 506 KOLB 430 531 515 435 486 558 512 KRUB 406 319 418 416 364 398 417 MALB 378 390 449 396 399 376 341 MANB o 314 349 354 382 321 418 380 METB 563 710 573 586 577 567 574 MIAB 451 399 450 391 366 396 432 MOOB 483 537 433 555 537 503 569 NOWB 0 0 334 298 230 393 391 PATB 372 376 385 426 446 391 363 REUB o 333 372 331 325 397 368 314 REZB 639 568 654 660 681 565 632 RILB 417 382 425 453 413 378 427 RIQB 601 711 657 575 636 623 701 ROUB 1118 1055 1085 1007 952 994 986 SANB 399 400 441 386 331 450 407 SCRB 424 418 347 411 336 400 394 SODB o 373 401 471 314 442 459 392 SPJB 1454 1223 1374 1372 1462 1437 1324 STJB o 635 566 559 652 561 509 655 SYPB 1200 1283 1350 1246 1289 1283 1164 THUB 1209 1189 1113 1095 1333 1160 1246 TLSB 0 255 557 584 511 627 559 YASB 513 487 573 491 464 476 505 YEMB 859 835 859 890 926 907 647 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 SPOT2 SPOT4 SPOT5 ------------------------------------- ADFB 3755 1344 3087 3241 AMVB 1224 396 621 1076 ARFB 1081 212 565 966 ASDB 116 0 24 102 BEMB 4325 399 1916 3918 BETB 1078 179 633 958 CADB 1099 323 788 1074 CHAB 1711 543 1180 1399 CIDB 1163 302 745 1008 CRQB 1256 78 497 1066 DIOB 917 221 699 844 DJIB 1093 365 755 956 EASB 1150 387 932 985 EVEB 526 203 349 753 FAIB 2667 316 1105 2467 HBMB 1247 327 744 1050 HEMB 1270 507 352 967 JIUB 1382 353 998 1095 KETB 1643 151 531 1256 KIUB 1419 337 1121 1223 KOLB 1293 269 997 1111 KRUB 1170 192 661 987 MALB 1078 217 742 917 MANB 1245 96 455 1020 METB 1839 303 500 1790 MIAB 1219 170 622 1086 MOOB 1334 485 845 1105 NOWB 1049 152 240 843 PATB 1231 119 573 1035 REUB 1013 201 419 976 REZB 2190 152 679 1790 RILB 1190 341 649 964 RIQB 1843 440 739 1691 ROUB 3331 227 979 2942 SANB 1350 110 336 1183 SCRB 1179 225 649 963 SODB 1158 325 652 1042 SPJB 4126 886 1679 3319 STJB 1746 251 937 1395 SYPB 3689 1098 1087 3273 THUB 3110 425 1694 3489 TLSB 1564 411 726 1251 YASB 1419 349 774 1133 YEMB 2558 681 913 2250 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 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 8.8 11.8 11.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 5.4 +- 1.2 mm TY = 7.9 +- 1.2 mm TZ = 31.5 +- 1.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.6 +- 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 0.70 0.66 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