****************************************************************************** dorisreport 09-Jun-2010 06:18:07 Message No 2053 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1582 = 10122 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1582 from 02-05-2010 to 08-05-2010 DORIS name (using day of start): 10122 Days of year: from 2010/122 to 2010/128 ============================================================== 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/ign10122wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10122wd09.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 4) Global Statistics ==================== GPS week number 1582 from 02-05-2010 to 08-05-2010 Total number of stations = 47 Total number of satellites = 2 Combinations (daily to weekly) CHI2 / DOF = 3.50 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 02-05-2010 14959 8 14951 0.1 03-05-2010 14718 2 14716 0.0 04-05-2010 14406 2 14404 0.0 05-05-2010 14627 10 14617 0.1 06-05-2010 14657 7 14650 0.0 07-05-2010 14900 8 14892 0.1 08-05-2010 14742 1 14741 0.0 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 --------------------------------------------------------------- SPOT4 5763 5579 5118 5294 5548 5732 5599 SPOT5 9188 9137 9286 9323 9102 9160 9142 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- SPOT4 0.434 0.424 0.439 0.439 0.429 0.440 0.434 SPOT5 0.408 0.407 0.408 0.407 0.405 0.405 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 --------------------------------------------------------------- ADFB 848 864 873 905 867 844 907 AMVB 213 269 199 272 230 211 267 ARFB 187 143 75 95 124 177 96 BADB 220 298 272 280 319 267 299 BEMB 795 751 850 824 858 802 765 BETB 262 232 237 206 233 253 255 CADB 249 263 278 246 221 208 274 CHAB 348 338 370 343 336 350 335 CRQB 218 165 239 254 254 220 174 DIOB 173 192 171 221 181 193 188 DJIB 198 236 237 264 251 231 231 EASB 247 206 216 251 253 257 210 EVEB o 171 150 168 142 135 163 152 FAIB o 504 529 458 477 547 489 542 GAVB 91 111 112 118 106 89 100 GREB 272 261 269 248 251 268 271 HBMB 339 286 252 293 308 338 297 HEMB 268 197 201 181 253 234 174 JIUB 264 211 192 162 178 235 207 KETB 262 280 324 228 232 250 293 KIUB 255 261 275 206 245 280 249 KOLB 297 329 291 258 276 298 336 KRBB 423 298 281 369 351 372 317 KRUB 228 211 241 249 236 232 219 LICB 167 207 132 128 216 183 234 MAHB 244 185 188 156 137 201 206 MANB o 156 235 139 239 206 262 241 METB 309 307 288 285 285 278 265 MIAB 240 247 256 278 233 242 219 MSPB 348 211 180 331 299 331 242 NOWB 175 229 293 258 216 172 232 PAUB 267 307 261 234 255 290 285 PDMB o 231 185 200 244 209 214 201 REUB o 131 255 211 147 186 127 252 REZB 364 276 263 323 315 312 325 RILB 125 168 139 167 140 189 163 RIQB 273 379 319 242 268 267 320 ROUB 638 580 522 616 612 641 633 SALB 277 247 236 296 240 286 200 SANB o 176 217 293 292 233 231 213 SPJB 705 764 659 781 683 683 797 STJB o 346 306 320 303 310 328 314 SYPB 623 663 603 587 608 640 647 THUB 733 625 772 636 697 719 648 TLSB 367 348 366 372 379 360 367 YASB 285 272 243 306 289 275 258 YEMB 455 448 450 350 425 424 352 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) ----------------------------------------------------------------- SPOT4 SPOT5 --------------------- ADFB 3054 3177 AMVB 582 1127 ARFB 422 943 BADB 621 1441 BEMB 1838 3999 BETB 835 961 CADB 799 987 CHAB 1110 1362 CRQB 497 1104 DIOB 529 867 DJIB 769 986 EASB 828 1052 EVEB 478 696 FAIB 1138 2622 GAVB 0 765 GREB 677 1224 HBMB 1051 1127 HEMB 547 999 JIUB 579 1025 KETB 671 1261 KIUB 854 1117 KOLB 1095 1044 KRBB 907 1618 KRUB 784 923 LICB 558 788 MAHB 552 994 MANB 633 999 METB 301 1796 MIAB 774 1014 MSPB 827 1174 NOWB 660 975 PAUB 1026 1010 PDMB 402 1151 REUB 381 1015 REZB 622 1708 RILB 295 866 RIQB 497 1640 ROUB 1366 2987 SALB 810 1027 SANB 602 1114 SPJB 1878 3332 STJB 865 1426 SYPB 1222 3281 THUB 1452 3513 TLSB 1303 1304 YASB 917 1080 YEMB 994 2126 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- 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 14.7 13.9 15.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -3.7 +- 2.2 mm TY = -0.4 +- 1.9 mm TZ = 70.7 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.3 +- 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 0.55 0.81 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr