****************************************************************************** dorisreport 28-Mar-2011 05:07:32 Message No 2430 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1621 = 11030 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1621 from 30-01-2011 to 05-02-2011 DORIS name (using day of start): 11030 Days of year: from 2011/30 to 2011/36 ============================================================== 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/ign11030wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11030wd09.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 #week 1487: goa-test-2011.03.17b Including Jason-2 and Cryosat-2 data deleting stations in the South Atlantic Anomaly (SAA) for SPOT-5 reprocessing done for weeks: 736-738 + 955-995 + 1124-1131 + 1487-1619 4) Global Statistics ==================== GPS week number 1621 from 30-01-2011 to 05-02-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.83 the following satellites were used in the combination 2011 30 cryosat2 envisat jason2 spot4 spot5 2011 31 cryosat2 envisat jason2 spot4 spot5 2011 32 cryosat2 envisat jason2 spot4 spot5 2011 33 cryosat2 envisat jason2 spot4 spot5 2011 34 cryosat2 envisat jason2 spot4 spot5 2011 35 cryosat2 envisat jason2 spot4 spot5 2011 36 cryosat2 envisat jason2 spot4 spot5 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 30-01-2011 47453 473 46980 1.0 31-01-2011 46679 464 46215 1.0 01-02-2011 44763 527 44236 1.2 02-02-2011 43680 512 43168 1.2 03-02-2011 42827 516 42311 1.2 04-02-2011 44470 446 44024 1.0 05-02-2011 43922 438 43484 1.0 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 ----------------------------------------------------------------- CRYOSAT2 8468 8205 8076 7892 7759 7943 8015 ENVISAT 8225 8293 7846 7287 7263 7835 7937 JASON2 16962 16496 15460 15532 14972 15485 15922 SPOT4 4984 5103 5158 4859 4804 4850 4884 SPOT5 8341 8118 7696 7598 7513 7911 6726 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.440 0.453 0.438 0.449 0.455 0.451 0.457 ENVISAT 0.443 0.440 0.446 0.450 0.456 0.470 0.446 JASON2 0.399 0.403 0.403 0.403 0.407 0.397 0.404 SPOT4 0.439 0.438 0.437 0.437 0.421 0.428 0.448 SPOT5 0.401 0.400 0.404 0.398 0.412 0.414 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 --------------------------------------------------------------- AMVB 341 417 350 387 453 351 387 ARFB 391 373 326 315 329 388 313 ASEB 212 233 253 234 299 326 229 BADB 516 538 252 0 122 242 515 BEMB 1422 1496 1454 1486 1383 1454 1213 BETB 411 383 430 412 390 424 307 CADB 406 323 363 370 371 435 358 CHAB 597 600 597 573 588 611 496 CIDB 361 340 419 416 407 401 294 COBB 745 815 798 767 850 772 720 CRQB 269 298 309 220 268 235 346 DIOB 242 282 264 303 292 301 302 DJIB 367 367 355 331 366 380 354 EVEB o 225 194 226 219 211 197 194 GREB 428 487 461 474 492 471 409 HBMB 403 487 524 431 420 439 422 HEMB 320 345 414 397 326 176 397 JIUB 271 442 439 387 449 400 303 KETB 463 414 362 424 380 485 390 KIUB 432 403 456 422 457 441 407 KOLB 428 345 484 480 431 481 334 KRBB 532 547 609 609 569 435 557 KRUB 316 258 336 329 304 313 273 LICB 267 338 340 281 336 288 392 MAHB 270 300 267 289 327 308 237 MALB 345 380 343 329 363 364 380 METB 493 483 532 524 536 495 542 MIAB 478 380 402 428 329 436 426 MSPB 504 452 539 468 440 454 462 NOWB 492 351 291 214 264 507 357 PAUB 343 400 445 428 428 400 381 PDMB o 412 397 298 399 391 389 423 REUB o 284 250 257 273 351 319 237 REZB 569 549 481 610 524 540 537 RILB 304 318 314 324 333 252 297 RIQB 617 612 576 491 624 713 517 ROUB 994 766 0 0 0 0 0 SALB 342 409 341 345 327 353 414 SANB o 379 256 333 400 370 361 400 SPJB 1326 1330 1258 1304 1286 1262 1324 STJB o 536 580 527 575 513 539 533 SYPB 1138 1082 1092 591 448 1100 1008 THUB 1199 1359 1311 1311 1328 1289 1081 TLSB 579 608 572 589 312 569 540 YASB 450 397 433 470 399 360 471 YEMB 482 453 481 490 514 484 399 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) ----------------------------------------------------------------- CRYOSAT2 ENVISAT JASON2 SPOT4 SPOT5 --------------------------------------------- AMVB 1680 1216 3659 581 1044 ARFB 1466 1026 2743 649 913 ASEB 1131 856 2017 343 765 BADB 1232 1056 2268 411 883 BEMB 6513 4507 4335 1995 3954 BETB 1293 1156 2732 824 966 CADB 1538 1055 2868 766 991 CHAB 2101 1700 5038 1209 1333 CIDB 1316 1161 2625 752 938 COBB 2843 2191 5663 1714 1752 CRQB 1985 840 4299 425 830 DIOB 1540 870 3505 412 807 DJIB 1525 1051 2781 779 904 EVEB 568 474 1504 436 691 GREB 1815 1452 4295 707 1186 HBMB 1660 1222 3176 1099 936 HEMB 1509 1085 2648 537 888 JIUB 1473 1226 3217 801 964 KETB 2266 1392 4840 627 1149 KIUB 1516 1214 3417 925 1140 KOLB 1661 1259 3510 913 1018 KRBB 2092 1839 4300 775 1522 KRUB 1524 1058 2611 720 844 LICB 1361 1040 2372 575 922 MAHB 1221 957 2388 452 914 MALB 1344 1031 2445 759 948 METB 2565 1832 4511 180 1816 MIAB 1727 1286 3500 654 1115 MSPB 1869 1365 4176 891 1224 NOWB 1608 1275 3204 581 1009 PAUB 1310 1208 2826 965 978 PDMB 1614 1292 3917 470 1097 REUB 1495 895 2683 386 867 REZB 3320 2057 3989 497 1666 RILB 835 1162 2737 319 993 RIQB 2851 1921 5175 779 1662 ROUB 976 835 1365 203 795 SALB 1438 1148 2686 746 931 SANB 1691 1292 3648 256 1120 SPJB 6521 4120 3881 1879 3390 STJB 1963 1596 4188 1005 1370 SYPB 3979 3086 3805 942 2660 THUB 6514 3998 4655 1802 3452 TLSB 1659 1536 3599 1185 1188 YASB 1710 1345 3415 626 1156 YEMB 3510 9 5391 1120 2306 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 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 9.9 12.7 10.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -5.3 +- 1.4 mm TY = -1.7 +- 1.3 mm TZ = 35.2 +- 1.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.7 +- 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 0.54 1.06 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr