****************************************************************************** dorisreport 28-Apr-2010 05:15:26 Message No 2010 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1577 = 10087 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1577 from 28-03-2010 to 03-04-2010 DORIS name (using day of start): 10087 Days of year: from 2010/87 to 2010/93 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-5727-8481 FAX +33-1-5727-8482 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/ign10087wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign10087wd09.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., C. Boucher, H. Fagard, Z. Altamimi (2005), Applications geodesiques du systeme DORIS a l'Institut Geographique National, Geodetic applications of the DORIS system at the French Institut Geographique National, C.R. Geoscience, 337(7), 653-662, DOI: 10.1016/j.crte.2005.03.002 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) 4) Global Statistics ==================== GPS week number 1577 from 28-03-2010 to 03-04-2010 Total number of stations = 46 Total number of satellites = 2 Combinations (daily to weekly) CHI2 / DOF = 1.79 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 28-03-2010 12837 3 12834 0.0 29-03-2010 12417 0 12417 0.0 30-03-2010 12949 2 12947 0.0 31-03-2010 14681 0 14681 0.0 01-04-2010 14770 0 14770 0.0 02-04-2010 0 0 0 0.0 03-04-2010 0 0 0 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 8991 8857 9159 9303 9182 0 0 SPOT4 3843 3560 3788 5378 5588 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.440 0.447 0.424 0.432 0.430 0.000 0.000 SPOT4 0.399 0.403 0.415 0.422 0.410 0.000 0.000 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 819 830 942 954 926 1004 978 AMVB 240 254 280 259 243 289 273 ARFB 108 103 164 177 125 119 37 BADB 316 290 343 328 264 376 386 BEMB 638 618 696 899 842 802 887 BETB 218 184 179 248 260 205 233 CADB 173 158 220 276 247 274 316 CHAB 351 371 330 382 400 373 410 CRQB 198 203 249 241 270 227 210 DIOB 257 193 140 187 196 196 191 DJIB 172 172 275 266 255 230 247 EVEB o 138 132 101 132 137 126 107 FAIB o 486 498 532 557 558 522 486 GAVB 136 106 104 135 116 110 110 GREB 237 279 246 328 323 311 260 HBMB 195 261 294 297 317 293 272 HEMB 213 277 209 243 320 204 196 JIUB 99 194 201 187 270 192 179 KETB 299 251 203 263 280 314 321 KIUB 162 279 266 241 275 301 255 KOLB 257 186 260 355 307 349 314 KRBB 369 341 292 438 444 288 265 KRUB 188 206 187 287 262 225 247 LICB 153 155 210 210 135 244 299 MAHB 152 135 147 152 219 176 180 MANB o 239 156 231 221 209 290 227 METB 359 275 361 299 319 291 248 MIAB 295 177 233 258 273 262 290 MSPB 0 0 178 271 365 291 272 NOWB 247 167 200 275 145 229 276 PAUB 226 158 264 329 262 292 269 PDMB o 220 241 190 233 250 194 237 REUB o 147 160 240 193 121 240 196 REZB 301 295 325 357 368 358 343 RILB 245 255 237 149 229 229 236 RIQB 398 333 406 316 307 365 385 ROUB 613 588 521 669 683 688 556 SALB 293 283 125 225 275 236 275 SANB o 225 159 180 300 171 267 201 SPJB 757 798 676 718 782 786 767 STJB o 272 325 292 308 385 279 335 SYPB 838 808 760 700 680 773 759 THUB 552 596 570 664 772 570 647 TLSB 277 322 240 398 406 428 407 YASB 363 253 195 313 369 285 224 YEMB 487 511 482 469 486 485 492 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) ----------------------------------------------------------------- ENVISAT SPOT4 --------------------- ADFB 3779 2942 AMVB 1337 599 ARFB 1044 485 BADB 1729 736 BEMB 4465 1217 BETB 1171 546 CADB 1192 600 CHAB 1736 1013 CRQB 1291 419 DIOB 906 564 DJIB 1082 661 EVEB 479 449 FAIB 2892 993 GAVB 923 10 GREB 1480 593 HBMB 1266 803 HEMB 1226 648 JIUB 1126 379 KETB 1486 607 KIUB 1292 758 KOLB 1318 832 KRBB 1901 665 KRUB 1189 713 LICB 1093 491 MAHB 1114 310 MANB 1198 480 METB 1870 492 MIAB 1315 616 MSPB 949 496 NOWB 1281 401 PAUB 1230 759 PDMB 1237 416 REUB 1060 411 REZB 1961 587 RILB 1168 554 RIQB 1926 691 ROUB 3324 1164 SALB 1186 746 SANB 1285 305 SPJB 3742 1740 STJB 1567 728 SYPB 3903 1586 THUB 3394 1139 TLSB 1625 940 YASB 1385 758 YEMB 2589 1025 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT4 --------------------- 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 13.8 17.8 19.0 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = -11.9 +- 2.9 mm TY = 1.2 +- 2.5 mm TZ = 4.5 +- 2.0 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) ------------------------------------------------------------------ 5 0.58 0.56 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr