****************************************************************************** dorisreport 06-Sep-2011 20:39:57 Message No 2634 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1642 = 11177 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1642 from 26-06-2011 to 02-07-2011 DORIS name (using day of start): 11177 Days of year: from 2011/177 to 2011/183 ============================================================== 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/ign11177wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11177wd10.snx.Z geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.Z Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 ITRF2008 pub/doris/products/sinex_series/ignwd/ignwd10.snx.dsc geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.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 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) 4) Global Statistics ==================== GPS week number 1642 from 26-06-2011 to 02-07-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.51 the following satellites were used in the combination 2011 177 cryosat2 envisat jason2 spot4 spot5 2011 178 cryosat2 envisat jason2 spot4 spot5 2011 179 cryosat2 envisat jason2 spot4 spot5 2011 180 cryosat2 envisat jason2 spot4 spot5 2011 181 cryosat2 envisat jason2 spot4 spot5 2011 182 cryosat2 envisat jason2 spot4 spot5 2011 183 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 -------------------------------------------------------- 26-06-2011 45435 45 45390 0.1 27-06-2011 44922 65 44857 0.1 28-06-2011 44625 81 44544 0.2 29-06-2011 45685 116 45569 0.3 30-06-2011 45619 41 45578 0.1 01-07-2011 45517 35 45482 0.1 02-07-2011 45645 70 45575 0.2 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 8391 8417 8177 8392 8364 8608 8294 ENVISAT 7919 7454 7623 7644 7611 7797 7776 JASON2 16092 16046 16444 16546 16437 16080 16359 SPOT4 4710 4834 4019 4601 4631 4809 4956 SPOT5 8278 8106 8281 8386 8535 8188 8190 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.433 0.443 0.432 0.437 0.428 0.430 0.440 ENVISAT 0.458 0.456 0.460 0.443 0.436 0.450 0.452 JASON2 0.397 0.401 0.403 0.387 0.404 0.395 0.400 SPOT4 0.437 0.452 0.443 0.428 0.437 0.435 0.438 SPOT5 0.402 0.408 0.408 0.405 0.410 0.392 0.406 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 --------------------------------------------------------------- ADGB 435 419 424 433 486 444 426 AMVB 376 378 443 391 427 378 429 ARFB 415 320 329 321 341 418 387 ASEB 273 306 218 345 242 203 272 BADB 485 503 418 454 493 472 474 BEMB 1505 1323 1280 1287 1360 1493 1451 BETB 318 367 375 344 355 404 344 CHAB 622 587 510 622 513 604 584 CIDB 353 394 433 402 312 387 349 COBB 371 0 0 377 771 787 742 CRQB 359 273 259 257 250 290 280 DIOB 291 284 270 324 262 267 314 DJIB 334 337 349 298 402 371 333 EVEB 206 201 196 238 211 196 228 GAVB 243 207 219 244 223 111 116 GR3B 0 0 0 0 0 0 0 GREB 463 430 480 374 407 480 444 HBMB 447 464 474 404 466 486 461 JIUB 437 385 357 345 303 359 368 KETB 374 427 418 476 465 390 385 KIUB 409 385 462 392 332 382 421 KOLB 468 413 517 477 391 445 453 KRBB 517 651 602 563 632 544 611 KRWB 403 375 343 471 387 371 383 LICB 344 262 302 419 330 185 330 MAHB 290 320 337 283 235 336 297 MALB 350 345 337 366 323 343 315 MATB o 339 377 320 398 339 338 346 METB 478 534 525 519 491 489 445 MIAB 384 427 378 500 426 382 437 MSPB 513 506 384 415 473 495 510 PAUB 430 431 490 416 432 444 424 PDMB 357 417 281 366 425 326 363 REUB 253 290 388 305 293 281 184 REZB 528 544 573 423 581 522 540 RIQB 639 515 583 555 524 643 547 ROVB 923 1077 1028 1111 1041 973 1000 SALB 325 479 263 417 445 340 503 SANB o 306 420 430 463 347 328 361 SPJB 1282 1308 1246 1156 1337 1287 1228 STJB 233 0 0 0 0 0 0 SYPB 1140 1124 1123 1163 1097 1105 1138 THUB 1282 1245 1193 1332 1246 1299 1270 TLSB 588 531 511 567 577 601 570 YASB 478 462 437 409 496 457 483 YEMB 474 513 522 461 477 471 484 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 --------------------------------------------- ADGB 4887 0 5399 0 3183 AMVB 1705 1243 3792 632 1082 ARFB 1479 1130 2954 570 941 ASEB 1134 952 2255 261 891 BADB 2036 1636 4556 607 1390 BEMB 6555 4304 4332 1848 4048 BETB 1326 1156 2680 777 902 CHAB 2159 1694 5040 1166 1380 CIDB 1327 1179 2703 657 953 COBB 2108 1582 4270 1207 1250 CRQB 1936 859 4227 409 867 DIOB 1250 847 3021 460 852 DJIB 1514 1055 2766 635 915 EVEB 572 480 1579 421 715 GAVB 1004 773 2977 0 720 GR3B 1397 11 3505 0 7 GREB 1794 1481 4253 641 1239 HBMB 1556 1255 3130 1114 981 JIUB 1324 1198 3008 745 1082 KETB 2201 1338 4804 593 1179 KIUB 1390 1161 3489 880 1132 KOLB 1668 1276 3484 1070 1001 KRBB 1984 1909 4025 903 1657 KRWB 1394 1196 2809 916 952 LICB 1255 969 2444 532 810 MAHB 1180 967 2288 447 924 MALB 1315 1025 2627 781 911 MATB 1915 1242 4557 241 1123 METB 2419 1742 4161 302 1727 MIAB 1618 1298 3526 758 1015 MSPB 1822 1404 4227 874 1190 PAUB 1396 1210 2919 1047 983 PDMB 1670 1247 3903 368 1113 REUB 1357 929 2871 401 856 REZB 3284 1928 4029 487 1716 RIQB 2656 1902 4249 645 1629 ROVB 4532 3314 5160 1210 2944 SALB 1433 1177 2869 682 1067 SANB 1705 1326 3831 456 1067 SPJB 6294 3979 3941 1857 3319 STJB 112 90 281 42 114 SYPB 4595 3731 4671 1226 3205 THUB 6351 3981 4562 1552 3654 TLSB 1737 1589 3855 1253 1337 YASB 1678 1387 3701 869 1133 YEMB 3516 9 5394 1105 2421 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 tf_110726a at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 9.8 9.9 7.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -10.0 +- 1.3 mm TY = 2.2 +- 1.0 mm TZ = -7.1 +- 1.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 0.5 +- 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 0.67 0.53 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr