****************************************************************************** dorisreport 10-Sep-2011 00:11:47 Message No 2645 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1647 = 11212 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1647 from 31-07-2011 to 06-08-2011 DORIS name (using day of start): 11212 Days of year: from 2011/212 to 2011/218 ============================================================== 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/ign11212wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign11212wd10.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 1647 from 31-07-2011 to 06-08-2011 Total number of stations = 46 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.32 the following satellites were used in the combination 2011 212 cryosat2 envisat jason2 spot4 spot5 2011 213 cryosat2 envisat jason2 spot4 spot5 2011 214 cryosat2 envisat jason2 spot4 spot5 2011 215 cryosat2 envisat jason2 spot4 spot5 2011 216 cryosat2 envisat jason2 spot4 spot5 2011 217 cryosat2 envisat jason2 spot4 spot5 2011 218 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 -------------------------------------------------------- 31-07-2011 43341 82 43259 0.2 01-08-2011 43909 62 43847 0.1 02-08-2011 41849 65 41784 0.2 03-08-2011 43103 74 43029 0.2 04-08-2011 42585 95 42490 0.2 05-08-2011 41976 91 41885 0.2 06-08-2011 42203 55 42148 0.1 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 8060 8279 7852 8080 7878 8103 7732 ENVISAT 7376 7470 7262 7450 7446 7012 7162 JASON2 15400 15992 15385 15326 15276 15026 15494 SPOT4 4553 4448 3802 4593 4469 4305 4370 SPOT5 7870 7658 7483 7580 7421 7439 7390 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.450 0.459 0.464 0.441 0.469 0.458 0.448 ENVISAT 0.478 0.471 0.459 0.452 0.450 0.475 0.460 JASON2 0.418 0.397 0.415 0.415 0.409 0.412 0.407 SPOT4 0.432 0.443 0.442 0.439 0.439 0.447 0.447 SPOT5 0.431 0.415 0.418 0.419 0.416 0.418 0.417 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 461 466 429 426 430 439 486 AMVB 368 456 317 389 455 346 395 ARFB 396 349 323 346 324 366 323 ASEB 283 297 236 277 324 245 180 BADB 527 484 469 466 480 534 493 BEMB 1389 1502 1441 1454 1340 1395 1531 BETB 436 351 372 289 316 332 385 CHAB 582 564 585 591 602 590 557 CIDB 397 320 332 448 318 381 337 CRQB 257 312 306 251 259 285 333 DIOB 268 308 234 283 269 284 307 DJIB 414 375 367 359 357 363 350 EASB 330 396 373 354 396 349 398 EVEB 219 217 180 242 228 206 215 GAVB 229 270 180 220 254 245 195 GR3B 0 0 0 0 0 0 0 GREB 432 450 389 473 470 415 467 HBMB 453 427 470 483 425 415 449 HEMB 299 308 473 337 354 269 223 JIUB 264 270 406 398 382 274 368 KETB 477 393 399 407 423 493 386 KIUB 407 394 365 414 389 448 400 KOLB 471 382 431 501 393 458 419 KRBB 506 583 579 569 510 453 517 KRWB 406 444 367 392 436 380 407 LICB 254 349 264 301 341 273 175 MAHB 200 223 270 328 281 239 262 MALB 337 354 305 350 370 341 356 MATB o 389 353 340 356 320 326 355 MIAB 432 444 290 410 370 395 440 MSPB 551 482 527 504 448 498 470 PAUB 448 358 459 450 413 418 398 PDMB 372 359 336 329 440 352 366 REUB 321 240 240 288 330 342 252 REZB 504 615 594 616 566 568 435 RIQB 620 518 537 559 613 610 541 ROVB 0 0 0 0 0 0 0 SALB 324 463 426 310 476 321 331 SANB o 359 404 274 396 392 354 485 SPJB 1299 1290 1180 1251 1216 1331 1280 STJB 503 493 542 531 557 487 521 SYPB 1160 1133 1076 1133 1138 1109 1109 THUB 1215 1152 1244 1349 1287 1221 1314 TLSB 588 581 517 589 558 499 468 YASB 403 476 347 458 393 379 482 YEMB 487 217 0 0 0 0 0 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 4888 0 5479 0 3252 AMVB 1757 1270 3725 508 1080 ARFB 1386 1117 3008 500 959 ASEB 1211 839 2074 378 813 BADB 2049 1658 4537 667 1420 BEMB 6603 4472 4445 1974 4055 BETB 1327 1110 2638 795 927 CHAB 2199 1698 4998 1190 1399 CIDB 1283 1176 2681 659 946 CRQB 1934 860 4314 446 826 DIOB 1242 893 3089 402 795 DJIB 1474 1042 2623 842 910 EASB 1127 1113 2632 868 1054 EVEB 538 488 1479 437 703 GAVB 787 904 1863 0 849 GR3B 1153 11 3845 0 1 GREB 1792 1455 4217 609 1238 HBMB 1525 1194 3138 1098 961 HEMB 1501 1016 2846 504 885 JIUB 1343 1214 2960 567 985 KETB 2132 1309 4763 627 1185 KIUB 1312 1266 3473 835 1127 KOLB 1640 1311 3484 908 1043 KRBB 1868 1863 3975 797 1506 KRWB 1430 1187 2881 908 986 LICB 1175 931 2297 448 814 MAHB 1136 1003 2352 372 908 MALB 1311 980 2439 685 932 MATB 2019 1206 4508 253 1140 MIAB 1588 1283 3426 587 1110 MSPB 1863 1412 4191 967 1233 PAUB 1425 1192 2797 952 991 PDMB 1495 1189 3810 473 1116 REUB 1258 952 2911 379 876 REZB 3373 2049 3737 568 1750 RIQB 2368 1870 3500 604 1687 ROVB 4617 2329 5161 820 2064 SALB 1473 1113 2637 718 992 SANB 1671 1351 3755 321 1150 SPJB 6293 3974 3925 1813 3390 STJB 1880 1524 4125 934 1395 SYPB 4391 3732 4635 1196 3211 THUB 6213 3991 4399 1536 3611 TLSB 1613 1513 3755 1310 1317 YASB 1705 1335 3743 596 1174 YEMB 908 0 1476 253 489 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 8.3 7.9 9.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = -7.0 +- 1.1 mm TY = -15.1 +- 1.0 mm TZ = 16.9 +- 1.2 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = -0.0 +- 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 0.56 1.51 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr