****************************************************************************** dorisreport 27-Jun-2011 09:27:36 Message No 2555 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1636 = 11135 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1636 from 15-05-2011 to 21-05-2011 DORIS name (using day of start): 11135 Days of year: from 2011/135 to 2011/141 ============================================================== 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/ign11135wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11135wd09.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 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) 4) Global Statistics ==================== GPS week number 1636 from 15-05-2011 to 21-05-2011 Total number of stations = 45 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 3.57 the following satellites were used in the combination 2011 135 cryosat2 envisat jason2 spot4 spot5 2011 136 cryosat2 envisat jason2 spot4 spot5 2011 137 cryosat2 envisat jason2 spot4 spot5 2011 138 cryosat2 envisat jason2 spot4 spot5 2011 139 cryosat2 envisat jason2 spot4 spot5 2011 140 cryosat2 envisat jason2 spot4 spot5 2011 141 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 -------------------------------------------------------- 15-05-2011 44428 50 44378 0.1 16-05-2011 46274 40 46234 0.1 17-05-2011 44452 8298 36154 18.7 18-05-2011 43837 148 43689 0.3 19-05-2011 43932 63 43869 0.1 20-05-2011 43963 42 43921 0.1 21-05-2011 35606 42 35564 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 8050 8312 7870 7952 7947 7966 7940 ENVISAT 7576 8057 7714 7765 7768 7676 160 JASON2 16008 16805 15828 15423 15519 15701 15256 SPOT4 4800 5010 4742 4593 4531 4741 4558 SPOT5 7944 8050 0 7956 8104 7837 7650 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.465 0.449 0.448 0.453 0.452 0.446 0.442 ENVISAT 0.455 0.456 0.448 0.453 0.450 0.441 0.377 JASON2 0.395 0.402 0.396 0.405 0.402 0.394 0.400 SPOT4 0.463 0.443 0.437 0.441 0.443 0.455 0.457 SPOT5 0.398 0.408 0.000 0.427 0.399 0.407 0.410 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 427 388 391 456 331 427 226 ARFB 391 384 331 295 386 293 240 ASEB 234 298 286 334 326 178 0 BADB 523 499 436 501 312 496 325 BEMB 1500 1445 1408 1372 1426 1455 910 BETB 286 307 386 400 371 384 227 CHAB 602 606 570 595 615 607 325 CIDB 360 388 357 421 339 326 202 COBB 825 775 758 857 754 780 459 CRQB 348 308 286 227 314 259 148 DIOB 278 285 303 294 320 309 160 DJIB 347 341 368 305 335 369 223 EVEB 174 232 229 211 230 190 165 GAVB 235 246 206 248 265 244 96 GR3B 0 0 0 0 0 0 0 GREB 441 453 476 490 417 485 264 HBMB 500 501 467 467 412 482 306 HEMB 57 0 0 0 0 0 0 JIUB 419 409 412 418 262 372 263 KETB 403 371 430 384 500 422 243 KIUB 0 416 416 449 386 404 269 KOLB 402 487 445 479 486 350 214 KRBB 562 621 652 530 540 553 312 LICB 318 328 276 372 339 288 193 MAHB 326 350 255 323 291 273 193 MALB 385 352 362 357 338 389 237 MATB o 306 368 374 44 0 0 0 METB 513 517 507 506 495 482 243 MIAB 361 353 367 341 455 388 208 MSPB 417 572 462 454 519 402 393 PAUB 419 462 425 446 411 415 194 PDMB 309 295 416 334 399 399 171 REUB 270 252 264 374 324 248 151 REZB 507 574 632 471 609 487 295 RIQB 638 558 510 623 643 517 355 ROVB 946 997 1101 995 979 1020 532 SALB 380 371 419 359 352 471 253 SANB o 317 365 375 401 380 391 118 SPJB 1320 1240 1289 1258 1243 1327 677 STJB 525 523 611 476 546 562 341 SYPB 1083 1132 1088 1166 1133 1091 615 THUB 1329 1290 1346 1307 1192 1353 742 TLSB 589 571 589 571 581 598 365 YASB 381 424 0 0 453 417 232 YEMB 450 483 491 496 492 457 441 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 1700 1086 3789 614 1075 ARFB 1380 968 3017 610 933 ASEB 920 762 1915 330 721 BADB 1925 1336 4239 655 1313 BEMB 6474 3801 4164 2071 4056 BETB 1259 899 2616 837 901 CHAB 2175 1470 5122 1192 1399 CIDB 1299 982 2631 744 940 COBB 2703 1935 5693 1725 1749 CRQB 2017 790 4176 455 795 DIOB 1310 756 3067 483 821 DJIB 1418 900 2746 720 921 EVEB 639 399 1532 448 730 GAVB 948 790 3464 0 843 GR3B 1471 6 3683 0 3 GREB 1696 1204 4233 758 1220 HBMB 1492 1129 3159 1129 993 HEMB 1106 668 2129 377 727 JIUB 1301 1073 2855 844 1020 KETB 2221 1146 4890 581 1191 KIUB 1190 905 2839 787 992 KOLB 1631 1073 3354 918 983 KRBB 2048 1689 3997 719 1565 LICB 1274 831 2453 546 836 MAHB 1117 842 2337 483 911 MALB 1355 875 2492 762 951 MATB 2005 852 4502 200 930 METB 2546 1608 4543 83 1792 MIAB 1765 1053 3398 621 1045 MSPB 1899 1233 4409 970 1212 PAUB 1348 1030 2808 959 947 PDMB 1522 1064 3753 374 1092 REUB 1404 780 2786 363 868 REZB 3377 1727 3971 454 1769 RIQB 2812 1578 5229 777 1656 ROVB 4665 2916 5033 982 2938 SALB 1405 987 2902 725 1037 SANB 1613 1115 3829 290 1088 SPJB 6422 3456 3800 1825 3364 STJB 1994 1355 4201 1022 1413 SYPB 4280 3246 4745 1107 3189 THUB 6305 3452 4340 1790 3636 TLSB 1607 1398 3736 1309 1329 YASB 1089 748 2188 473 809 YEMB 3509 8 5303 1064 2396 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 12.1 16.7 15.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -17.7 +- 2.0 mm TY = 10.8 +- 2.3 mm TZ = 23.4 +- 1.9 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.9 +- 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 0.17 1.46 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr