****************************************************************************** dorisreport 30-Mar-2011 23:44:57 Message No 2447 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1626 = 11065 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1626 from 06-03-2011 to 12-03-2011 DORIS name (using day of start): 11065 Days of year: from 2011/65 to 2011/71 ============================================================== 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/ign11065wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11065wd09.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 #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 #week 1606: goa-6.0 Latest JPL official version #week 1487: goa-test-2011.03.17b Including Jason-2 and Cryosat-2 data deleting stations in the South Atlantic Anomaly (SAA) for SPOT-5 reprocessing done for weeks: 736-738 + 955-995 + 1124-1131 + 1487-1619 4) Global Statistics ==================== GPS week number 1626 from 06-03-2011 to 12-03-2011 Total number of stations = 46 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 2.03 the following satellites were used in the combination 2011 65 cryosat2 envisat spot4 spot5 2011 66 envisat spot4 2011 67 envisat spot4 2011 68 envisat spot4 2011 69 envisat spot4 2011 70 envisat spot4 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 06-03-2011 21036 10 21026 0.0 07-03-2011 12467 2 12465 0.0 08-03-2011 12490 3 12487 0.0 09-03-2011 12787 7 12780 0.1 10-03-2011 12582 3 12579 0.0 11-03-2011 5048 5 5043 0.1 12-03-2011 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 ----------------------------------------------------------------- CRYOSAT2 33 0 0 0 0 0 0 ENVISAT 7881 7747 7646 7833 7693 3 0 SPOT4 4748 4718 4841 4947 4886 5040 0 SPOT5 8364 0 0 0 0 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.432 0.000 0.000 0.000 0.000 0.000 0.000 ENVISAT 0.450 0.437 0.438 0.426 0.437 0.007 0.000 SPOT4 0.434 0.428 0.434 0.419 0.428 0.401 0.000 SPOT5 0.409 0.000 0.000 0.000 0.000 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 420 0 0 0 0 0 0 AMVB 428 245 278 241 218 60 54 ARFB 290 252 229 261 120 60 0 ASEB 244 149 123 103 116 43 100 BADB 578 372 321 306 307 36 74 BEMB 1403 815 864 957 795 327 304 BETB 412 216 232 274 219 135 100 CADB 378 231 258 249 220 145 81 CHAB 611 403 372 421 409 167 188 CIDB 415 204 234 230 251 136 118 COBB 819 470 595 531 555 246 215 CRQB 227 185 217 206 137 60 70 DIOB 312 178 165 161 202 27 33 DJIB 361 197 206 196 223 95 101 EVEB o 228 112 114 125 108 79 68 GAVB 250 137 123 137 121 0 0 GREB 444 274 281 312 260 130 108 HBMB 457 267 329 344 337 119 119 HEMB 232 201 217 153 259 59 53 JIUB 329 162 215 293 236 109 114 KETB 432 341 231 239 323 101 145 KIUB 454 284 306 295 267 117 146 KOLB 508 252 295 361 294 161 115 KRBB 453 272 452 318 426 102 55 LICB 289 180 212 142 153 92 57 MAHB 270 81 165 202 155 30 53 MALB 355 214 129 193 267 95 130 METB 510 252 294 240 342 49 30 MIAB 446 272 249 270 300 101 80 MSPB 454 297 335 318 289 109 50 NOWB 432 244 204 245 243 60 120 PAUB 438 249 309 319 290 139 118 PDMB o 320 333 163 194 223 54 90 REUB o 372 169 175 105 110 51 47 REZB 557 413 349 288 375 86 66 RILB 289 267 212 163 207 52 101 RIQB 652 327 247 411 321 178 70 SALB 185 224 211 148 209 92 101 SANB o 354 211 297 194 209 45 121 SPJB 1271 852 893 788 750 269 238 STJB o 450 410 286 342 394 125 154 SYPB 1172 642 602 694 644 183 160 THUB 1168 714 727 820 783 267 279 TLSB 589 408 332 407 411 181 196 YASB 382 243 242 326 333 135 74 YEMB 537 169 170 151 127 156 166 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) ----------------------------------------------------------------- CRYOSAT2 ENVISAT SPOT4 SPOT5 ------------------------------------- ADFB 0 0 0 437 AMVB 0 857 567 175 ARFB 0 749 515 131 ASEB 0 471 413 115 BADB 0 1249 736 203 BEMB 0 3240 1922 563 BETB 0 787 818 132 CADB 0 733 803 149 CHAB 0 1232 1202 209 CIDB 0 784 751 165 COBB 0 1578 1638 315 CRQB 0 649 432 116 DIOB 0 620 390 118 DJIB 0 706 703 144 EVEB 0 338 450 92 GAVB 0 687 0 127 GREB 0 1074 659 170 HBMB 0 866 1015 162 HEMB 0 714 444 105 JIUB 0 906 577 160 KETB 0 990 789 141 KIUB 0 911 953 190 KOLB 70 903 997 183 KRBB 0 1341 664 209 LICB 0 622 562 132 MAHB 0 658 428 153 MALB 0 689 746 134 METB 0 1316 264 258 MIAB 0 885 750 158 MSPB 0 1013 780 132 NOWB 0 909 640 109 PAUB 13 871 988 174 PDMB 0 893 424 147 REUB 0 656 344 153 REZB 0 1500 626 206 RILB 0 813 443 119 RIQB 0 1350 706 252 SALB 0 662 697 80 SANB 0 900 458 155 SPJB 0 2891 1870 441 STJB 0 1157 912 181 SYPB 0 2608 1200 447 THUB 0 2839 1569 554 TLSB 0 1097 1316 185 YASB 0 995 707 144 YEMB 0 9 1135 360 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS 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 14.8 16.5 19.8 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 8.5 +- 2.9 mm TY = 10.0 +- 2.7 mm TZ = 18.9 +- 2.1 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -3.1 +- 0.4 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) ------------------------------------------------------------------ 6 1.20 0.64 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr