****************************************************************************** dorisreport 10-Jan-2011 08:27:42 Message No 2330 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1607 = 10297 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1607 from 24-10-2010 to 30-10-2010 DORIS name (using day of start): 10297 Days of year: from 2010/297 to 2010/303 ============================================================== 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/ign10297wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10297wd09.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 1607 from 24-10-2010 to 30-10-2010 Total number of stations = 44 Total number of satellites = 2 Combinations (daily to weekly) CHI2 / DOF = 3.10 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 24-10-2010 12843 2 12841 0.0 25-10-2010 12636 1 12635 0.0 26-10-2010 10746 6 10740 0.1 27-10-2010 12739 7 12732 0.1 28-10-2010 12572 1 12571 0.0 29-10-2010 12600 9 12591 0.1 30-10-2010 12570 7 12563 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 --------------------------------------------------------------- SPOT4 4628 4555 4780 4578 4444 4565 4511 SPOT5 8213 8080 5960 8154 8127 8026 8052 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- SPOT4 0.439 0.437 0.424 0.426 0.442 0.437 0.434 SPOT5 0.395 0.405 0.423 0.416 0.407 0.398 0.397 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 228 225 296 287 202 246 233 ARFB 152 220 182 158 141 0 160 ASEB 204 207 126 171 192 136 138 BADB 292 327 297 279 264 298 235 BEMB 909 839 740 833 838 843 890 BETB 238 246 262 259 253 230 231 CADB 233 217 202 249 273 232 203 CHAB 375 367 357 372 373 337 363 CRQB 196 154 141 156 183 182 211 DIOB 225 156 200 197 223 224 190 DJIB 195 232 209 235 237 237 213 EASB 283 271 250 248 262 267 264 GREB 290 273 234 247 275 261 282 HEMB 123 250 248 156 96 206 227 JIUB 238 220 211 256 236 138 281 KETB 225 239 239 174 302 252 217 KIUB 262 272 277 278 288 267 269 KOLB 232 289 299 322 289 230 285 KRBB 283 311 366 285 238 375 305 KRUB 175 176 157 154 151 176 220 LICB 178 137 172 213 53 185 209 MAHB 150 174 227 183 162 163 188 MALB 255 233 209 238 179 219 219 MANB o 167 213 247 174 142 229 231 MATB o 175 193 174 175 188 185 183 METB 252 283 302 275 287 292 256 MIAB 241 208 254 209 208 273 180 MSPB 268 290 308 232 218 339 274 NOWB 246 164 225 162 327 253 172 PAUB 252 276 285 291 258 245 279 PDMB o 223 170 207 196 241 229 205 REUB o 156 164 178 237 188 136 121 REZB 277 316 312 293 292 311 287 RILB 169 166 190 137 154 150 157 RIQB 284 355 274 365 423 236 370 ROUB 549 470 638 515 474 620 507 SALB 206 185 0 0 0 0 0 SANB o 271 118 228 212 180 265 117 SPJB 757 693 779 668 728 730 701 SYPB 558 585 614 659 615 573 619 THUB 807 743 669 799 772 705 768 TLSB 362 365 353 365 368 367 372 YASB 302 241 272 335 314 303 269 YEMB 393 411 437 507 492 474 492 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 --------------------- AMVB 678 1087 ARFB 567 926 ASEB 451 799 BADB 725 1422 BEMB 2060 3999 BETB 843 948 CADB 722 950 CHAB 1223 1399 CRQB 463 801 DIOB 410 1047 DJIB 719 915 EASB 977 1107 GREB 740 1234 HEMB 387 979 JIUB 741 1017 KETB 539 1164 KIUB 947 1132 KOLB 1039 977 KRBB 717 1541 KRUB 684 908 LICB 520 793 MAHB 484 888 MALB 732 896 MANB 517 961 MATB 192 1134 METB 185 1859 MIAB 646 1048 MSPB 794 1195 NOWB 565 1043 PAUB 1018 949 PDMB 418 1131 REUB 351 877 REZB 510 1788 RILB 216 992 RIQB 725 1657 ROUB 938 2946 SALB 196 322 SANB 384 1061 SPJB 1900 3302 SYPB 1144 3207 THUB 1825 3586 TLSB 1296 1316 YASB 975 1119 YEMB 1083 2278 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 12.1 12.1 17.9 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 1.0 +- 2.7 mm TY = -5.0 +- 2.4 mm TZ = 53.2 +- 2.0 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -0.6 +- 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 0.79 0.81 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr