****************************************************************************** dorisreport 04-Nov-2010 13:35:46 Message No 2255 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1605 = 10283 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1605 from 10-10-2010 to 16-10-2010 DORIS name (using day of start): 10283 Days of year: from 2010/283 to 2010/289 ============================================================== 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/ign10283wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10283wd09.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 1605 from 10-10-2010 to 16-10-2010 Total number of stations = 45 Total number of satellites = 3 Combinations (daily to weekly) CHI2 / DOF = 3.42 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 10-10-2010 21261 17 21244 0.1 11-10-2010 21627 6 21621 0.0 12-10-2010 13148 3 13145 0.0 13-10-2010 12851 2 12849 0.0 14-10-2010 12799 2 12797 0.0 15-10-2010 12903 13 12890 0.1 16-10-2010 12865 2 12863 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 7949 8243 42 0 0 0 0 SPOT4 5034 5009 4672 4544 4610 4752 4723 SPOT5 8261 8369 8431 8305 8187 8138 8140 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.460 0.443 0.355 0.000 0.000 0.000 0.000 SPOT4 0.435 0.428 0.430 0.445 0.435 0.432 0.422 SPOT5 0.411 0.417 0.403 0.414 0.403 0.403 0.405 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 449 398 261 243 247 261 230 ARFB 377 322 102 126 140 189 184 ASEB 254 308 258 107 156 172 138 BADB 483 443 261 305 311 252 251 BEMB 1418 1412 799 821 869 849 813 BETB 337 425 220 217 200 243 266 CADB 358 493 278 250 208 203 280 CHAB 580 615 378 349 368 355 373 CRQB 283 283 128 172 216 165 161 DIOB 335 343 215 154 204 219 194 DJIB 361 366 237 271 213 222 220 EASB 365 312 220 205 242 262 220 EVEB o 218 236 170 0 0 0 0 GREB 463 477 257 234 267 258 285 HEMB 405 281 160 184 160 311 225 JIUB 433 397 241 142 173 249 262 KETB 329 428 241 279 246 203 246 KIUB 452 405 248 204 245 288 271 KOLB 490 518 296 276 264 294 332 KRBB 628 608 270 390 351 380 356 KRUB 356 368 243 138 217 177 192 LICB 254 338 209 154 168 145 162 MAHB 344 328 163 109 139 203 0 MALB 354 342 246 214 240 210 166 MANB o 416 329 152 235 208 237 186 MATB o 378 394 180 174 182 171 202 METB 554 550 336 337 297 256 280 MIAB 409 449 252 269 239 234 229 MSPB 559 393 213 345 291 328 272 NOWB 265 377 220 296 228 180 168 PAUB 460 465 241 263 239 305 301 PDMB o 288 347 196 260 207 204 193 REUB o 296 303 212 187 138 100 213 REZB 535 510 266 312 323 264 344 RILB 331 305 158 169 181 167 185 RIQB 587 625 322 291 286 295 353 ROUB 1030 1008 573 612 615 534 574 SALB 237 282 295 244 204 262 139 SANB o 348 412 290 228 242 160 215 SPJB 1246 1223 650 763 694 703 716 SYPB 1082 1123 655 615 590 616 578 THUB 1261 1338 781 633 721 741 798 TLSB 592 577 351 363 375 354 369 YASB 428 522 313 303 296 281 307 YEMB 448 441 416 429 408 413 447 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 371 669 1126 ARFB 332 512 943 ASEB 298 355 841 BADB 483 560 1367 BEMB 1309 2019 3994 BETB 346 796 949 CADB 371 812 954 CHAB 491 1210 1396 CRQB 241 390 844 DIOB 280 469 1002 DJIB 303 788 943 EASB 304 878 1060 EVEB 137 225 301 GREB 414 702 1209 HEMB 256 601 968 JIUB 357 642 1113 KETB 378 533 1147 KIUB 363 823 1171 KOLB 427 1102 1043 KRBB 501 934 1683 KRUB 353 747 877 LICB 310 528 842 MAHB 291 363 774 MALB 273 764 907 MANB 354 556 993 MATB 385 266 1110 METB 543 344 1855 MIAB 395 781 1003 MSPB 409 941 1175 NOWB 315 523 951 PAUB 368 1009 1005 PDMB 310 434 1096 REUB 313 344 925 REZB 559 592 1718 RILB 305 290 989 RIQB 576 650 1624 ROUB 951 1231 2947 SALB 248 673 942 SANB 396 489 1100 SPJB 1093 1729 3355 SYPB 1077 1173 3192 THUB 1120 1759 3610 TLSB 469 1271 1332 YASB 384 1078 1068 YEMB 24 964 2219 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 13.6 15.3 13.4 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 7.0 +- 2.2 mm TY = -7.2 +- 1.9 mm TZ = 38.7 +- 1.7 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -1.8 +- 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 1.19 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr