****************************************************************************** dorisreport 07-May-2011 05:14:24 Message No 2493 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1630 = 11093 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1630 from 03-04-2011 to 09-04-2011 DORIS name (using day of start): 11093 Days of year: from 2011/93 to 2011/99 ============================================================== 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/ign11093wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11093wd09.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 1630 from 03-04-2011 to 09-04-2011 Total number of stations = 46 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 3.66 the following satellites were used in the combination 2011 93 cryosat2 envisat spot4 spot5 2011 94 cryosat2 envisat spot4 spot5 2011 95 cryosat2 envisat spot4 spot5 2011 96 cryosat2 envisat spot4 spot5 2011 97 cryosat2 envisat spot4 spot5 2011 98 cryosat2 envisat spot4 spot5 2011 99 cryosat2 envisat 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 -------------------------------------------------------- 03-04-2011 25349 218 25131 0.9 04-04-2011 20778 207 20571 1.0 05-04-2011 25519 227 25292 0.9 06-04-2011 26194 198 25996 0.8 07-04-2011 27762 224 27538 0.8 08-04-2011 24776 223 24553 0.9 09-04-2011 28418 195 28223 0.7 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 7636 7505 7624 7714 7715 7806 7825 ENVISAT 5175 925 5179 5553 7461 4411 7687 SPOT4 4544 4663 4696 4789 4529 4585 4932 SPOT5 7776 7478 7793 7940 7833 7751 7779 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.440 0.466 0.459 0.464 0.473 0.440 0.455 ENVISAT 0.443 0.417 0.418 0.418 0.462 0.456 0.433 SPOT4 0.423 0.440 0.436 0.425 0.442 0.461 0.421 SPOT5 0.398 0.402 0.404 0.417 0.417 0.405 0.402 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 0 0 0 0 42 78 59 AMVB 349 231 329 382 398 415 381 ARFB 283 247 257 249 333 248 357 ASEB 196 173 242 236 240 159 203 BADB 533 283 357 415 511 482 487 BEMB 1391 892 1036 1002 1362 1462 1460 BETB 290 254 322 328 341 394 368 CADB 392 209 334 334 419 428 300 CHAB 453 395 525 568 592 574 609 CIDB 318 200 382 322 383 263 318 COBB 626 93 639 710 769 752 751 CRQB 270 223 241 200 289 366 327 DIOB 259 164 259 283 275 317 300 DJIB 282 147 193 279 300 293 337 EVEB 218 159 216 202 220 200 189 GAVB 197 104 168 120 188 260 236 GREB 378 282 348 386 436 428 479 HBMB 355 396 406 387 350 450 462 HEMB 275 256 274 327 295 290 366 JIUB 259 297 290 261 274 318 431 KETB 334 235 381 401 375 397 401 KIUB 311 259 361 412 479 339 409 KOLB 316 316 488 415 479 454 400 KRBB 625 307 505 489 562 618 566 LICB 234 159 109 334 286 201 286 MAHB 207 187 213 195 228 257 218 MALB 213 196 198 312 210 267 380 MATB o 278 237 269 370 365 359 324 METB 388 282 470 475 544 535 507 MIAB 403 217 345 346 411 469 350 MSPB 440 293 411 397 438 545 470 PAUB 333 348 327 406 436 408 436 PDMB 298 230 333 355 347 358 419 REUB 191 125 252 298 360 229 245 REZB 428 411 523 418 498 538 594 RILB 0 0 0 0 161 165 0 RIQB 483 368 457 480 622 501 609 SALB 300 220 282 393 301 278 387 SANB o 494 118 425 284 407 462 272 SPJB 1141 754 1048 1183 1258 1304 1304 STJB 463 371 458 416 510 503 575 SYPB 857 681 1025 1091 1085 1073 1099 THUB 910 854 901 1004 1293 1188 1328 TLSB 480 398 446 519 587 574 602 YASB 454 255 379 344 342 501 474 YEMB 471 535 698 630 492 435 476 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 SPOT4 SPOT5 ------------------------------------- ADFB 227 0 0 228 AMVB 1740 859 657 1099 ARFB 1402 740 466 923 ASEB 1106 618 300 720 BADB 2031 1275 717 1407 BEMB 6561 3033 1884 4068 BETB 1275 810 791 893 CADB 1498 867 723 950 CHAB 2254 1315 1189 1376 CIDB 1259 788 638 890 COBB 2411 1569 1440 1608 CRQB 1942 652 484 883 DIOB 1324 718 429 855 DJIB 1375 643 682 820 EVEB 591 402 433 700 GAVB 980 551 0 861 GREB 1744 1017 625 1236 HBMB 1564 875 1131 967 HEMB 1473 762 521 939 JIUB 1386 812 572 1016 KETB 2201 978 570 1194 KIUB 1416 859 840 1100 KOLB 1658 998 1017 1001 KRBB 1970 1367 885 1628 LICB 1101 600 531 767 MAHB 1133 593 497 769 MALB 1222 617 634 835 MATB 1967 930 255 1153 METB 2474 1302 283 1804 MIAB 1716 947 718 1070 MSPB 1835 961 934 1208 PAUB 1356 925 1013 947 PDMB 1614 1009 419 1069 REUB 1403 643 363 863 REZB 3288 1523 515 1708 RILB 801 410 256 429 RIQB 2906 1419 621 1670 SALB 1293 874 687 929 SANB 1659 1011 495 1100 SPJB 6270 2880 2044 3340 STJB 1957 1167 866 1420 SYPB 4653 2869 1124 3193 THUB 6295 2747 1422 3637 TLSB 1487 1111 1324 1300 YASB 1669 1040 705 1151 YEMB 3506 388 1162 2347 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS 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 14.2 8.8 15.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -4.5 +- 2.3 mm TY = -10.3 +- 2.5 mm TZ = 54.2 +- 2.5 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.3 +- 0.3 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 0.61 0.50 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr