****************************************************************************** dorisreport 10-Jan-2011 08:24:13 Message No 2329 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1606 = 10290 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1606 from 17-10-2010 to 23-10-2010 DORIS name (using day of start): 10290 Days of year: from 2010/290 to 2010/296 ============================================================== 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/ign10290wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10290wd09.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign08wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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/ign08wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign08wd01.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 4) Global Statistics ==================== GPS week number 1606 from 17-10-2010 to 23-10-2010 Total number of stations = 44 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.62 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 17-10-2010 21009 7 21002 0.0 18-10-2010 20840 11 20829 0.1 19-10-2010 12578 3 12575 0.0 20-10-2010 12579 7 12572 0.1 21-10-2010 12852 2 12850 0.0 22-10-2010 12805 16 12789 0.1 23-10-2010 12857 4 12853 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 --------------------------------------------------------------- ENVISAT 8093 8005 46 0 0 0 0 SPOT4 4543 4631 4412 4565 4654 4596 4603 SPOT5 8366 8193 8117 8007 8196 8193 8250 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.449 0.446 0.306 0.000 0.000 0.000 0.000 SPOT4 0.425 0.437 0.436 0.442 0.432 0.441 0.436 SPOT5 0.422 0.407 0.398 0.416 0.414 0.409 0.399 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 437 414 262 198 297 243 139 ARFB 228 321 203 227 180 187 189 ASEB 361 312 163 125 136 190 151 BADB 498 539 253 268 307 293 328 BEMB 1472 1458 873 849 820 697 799 BETB 380 385 184 230 265 219 249 CADB 434 360 229 191 275 246 231 CHAB 615 591 281 370 351 354 371 CRQB 277 315 225 189 128 183 152 DIOB 324 267 217 182 150 204 236 DJIB 363 366 239 196 224 237 273 EASB 353 410 259 268 232 225 219 GREB 502 463 271 264 246 205 230 HEMB 256 264 148 312 239 123 195 JIUB 392 353 175 269 233 220 131 KETB 409 445 241 217 231 272 337 KIUB 379 396 252 281 279 249 283 KOLB 497 429 232 295 324 293 289 KRBB 484 556 367 351 331 308 251 KRUB 325 251 234 120 150 149 172 LICB 374 327 184 140 124 189 165 MAHB 273 260 128 176 203 129 77 MALB 381 335 245 210 220 226 217 MANB o 356 331 217 215 145 204 242 MATB o 343 275 192 176 180 167 220 METB 569 515 284 278 311 294 258 MIAB 442 437 260 229 266 307 278 MSPB 416 478 316 300 299 196 322 NOWB 428 487 223 181 165 196 306 PAUB 405 408 234 297 290 274 259 PDMB o 322 497 196 161 226 209 261 REUB o 349 276 139 124 196 239 193 REZB 496 588 291 301 383 290 308 RILB 301 326 167 173 188 209 175 RIQB 593 669 274 288 334 296 377 ROUB 1004 943 601 537 580 667 546 SALB 294 294 169 204 170 191 194 SANB o 440 353 196 170 236 248 179 SPJB 1202 1257 773 698 793 725 719 SYPB 1199 1073 580 554 601 697 611 THUB 1290 1292 745 752 653 671 645 TLSB 553 592 180 341 217 365 367 YASB 481 478 298 276 272 336 296 YEMB 418 418 417 403 447 408 435 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) ----------------------------------------------------------------- ENVISAT SPOT4 SPOT5 ----------------------------- AMVB 351 675 1052 ARFB 327 548 964 ASEB 268 472 800 BADB 508 735 1409 BEMB 1351 1859 3982 BETB 331 806 965 CADB 318 734 1008 CHAB 506 1178 1406 CRQB 267 429 856 DIOB 275 321 1052 DJIB 303 776 944 EASB 302 948 1002 GREB 419 621 1208 HEMB 292 457 872 JIUB 323 597 1026 KETB 399 650 1174 KIUB 349 929 1126 KOLB 374 950 1113 KRBB 487 686 1609 KRUB 273 718 841 LICB 334 537 823 MAHB 258 290 856 MALB 298 779 915 MANB 372 489 1008 MATB 337 164 1138 METB 535 251 1854 MIAB 413 778 1115 MSPB 419 804 1189 NOWB 417 686 999 PAUB 331 920 1024 PDMB 403 495 1100 REUB 252 444 946 REZB 636 556 1741 RILB 317 358 960 RIQB 581 658 1703 ROUB 938 1174 2925 SALB 290 741 803 SANB 401 382 1178 SPJB 1108 1878 3370 SYPB 1069 1263 3153 THUB 1181 1534 3539 TLSB 472 1139 1230 YASB 430 1002 1132 YEMB 23 973 2203 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- 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 13.5 17.1 14.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -13.0 +- 2.2 mm TY = -17.1 +- 2.0 mm TZ = 29.0 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.8 +- 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 0.80 0.89 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr