****************************************************************************** dorisreport 17-Dec-2007 14:34:39 Message No 1095 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1452 = 07308 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1452 from 04-11-2007 to 10-11-2007 DORIS name (using day of start): 07308 Days of year: from 2007/308 to 2007/314 ============================================================== 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/ign07308wd05.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign07308wd06.snx.Z geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.Z Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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/ignwd05.snx.dsc weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ignwd06.snx.dsc geocenter series in ITRF2005 pub/doris/products/geoc/ign07wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2005 pub/doris/products/eop/ign07wd01.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 Last changes in the time series data analysis: Week 678: See DORISMail #0288, start of the time series 4) Global Statistics ==================== GPS week number 1452 from 04-11-2007 to 10-11-2007 Total number of stations = 47 Total number of satellites = 4 Combinations (daily to weekly) CHI2 / DOF = 1.97 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 04-11-2007 21640 5 21635 0.0 05-11-2007 20440 5 20435 0.0 06-11-2007 16005 12 15993 0.1 07-11-2007 12087 0 12087 0.0 08-11-2007 13444 1 13443 0.0 09-11-2007 10215 3 10212 0.0 10-11-2007 10214 3 10211 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 5980 5931 5968 5789 5953 6101 6136 SPOT2 4192 3958 1311 1608 2712 4088 4075 SPOT4 4681 3882 1951 4676 4778 23 0 SPOT5 6782 6664 6763 14 0 0 0 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 -------------------------------------------------------------- ENVISAT 0.424 0.429 0.411 0.386 0.408 0.398 0.397 SPOT2 0.451 0.439 0.449 0.414 0.444 0.451 0.441 SPOT4 0.435 0.428 0.404 0.418 0.412 0.250 0.000 SPOT5 0.384 0.396 0.378 0.186 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 --------------------------------------------------------------- ADEB o 1264 1285 1330 848 902 684 725 AMUB 483 504 373 257 231 263 224 ARFB 373 384 279 307 258 184 201 ASDB o 345 303 325 197 177 177 155 BEMB 1855 1733 1266 1147 1087 892 933 BETB 399 362 316 297 275 215 180 CADB 395 465 395 310 274 278 267 CHAB 729 620 485 516 450 342 363 CICB 448 462 420 285 351 283 201 CRPB 195 271 221 199 168 139 138 DIOB 484 446 284 309 238 187 251 DJIB 454 473 451 222 309 222 190 EASB 461 494 277 209 320 232 209 FAIB o 986 981 793 584 668 466 464 FUTB 389 394 296 189 164 200 207 GREB 544 534 331 286 319 272 273 HBMB 460 475 417 290 324 248 212 HEMB 370 339 154 190 222 151 139 JIUB 507 565 476 366 416 308 270 KETB 623 612 361 303 364 292 301 KIUB 611 603 415 319 424 300 277 KOLB 537 457 468 466 371 329 296 KRUB 454 380 299 320 263 164 230 LICB 421 376 256 326 273 219 194 MAHB 332 368 319 189 233 211 180 MALB 457 470 355 229 291 220 212 MATB o 581 460 379 281 349 257 261 METB 680 664 632 400 377 319 350 MIAB 463 396 391 275 370 214 273 MONB 0 0 164 333 347 261 223 MORB 463 429 371 260 244 228 166 MSPB 487 412 395 327 377 227 194 NOWB 348 267 327 215 234 141 200 PATB 186 152 303 311 323 275 245 REUB 366 378 280 216 217 201 174 REZB 707 612 568 436 507 382 359 RIPB 706 714 625 390 442 365 335 SANB 482 413 405 321 327 262 243 SCRB 436 489 350 229 289 229 211 SODB o 379 408 397 242 222 263 221 SPJB 1482 1467 1307 856 954 689 760 STJB o 740 700 552 373 533 295 318 SYPB 1334 1226 581 0 366 659 673 TLSB 548 462 464 414 461 294 256 TRIB o 615 448 360 317 299 228 319 YASB 571 525 377 377 400 200 304 YEMB 513 412 378 139 158 144 53 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 SPOT2 SPOT4 SPOT5 ------------------------------------- ADEB 3842 889 1232 1335 AMUB 1218 393 385 488 ARFB 1021 308 334 429 ASDB 902 296 309 347 BEMB 5075 1384 1135 1741 BETB 1051 379 394 385 CADB 1092 567 460 426 CHAB 1647 685 693 588 CICB 1196 463 535 454 CRPB 908 119 164 330 DIOB 895 608 447 377 DJIB 1071 463 564 433 EASB 1122 517 530 406 FAIB 2862 603 664 1136 FUTB 1088 323 227 434 GREB 1408 420 370 505 HBMB 1139 550 419 472 HEMB 947 257 221 306 JIUB 1338 588 692 493 KETB 1421 533 502 499 KIUB 1486 581 660 582 KOLB 1324 670 578 481 KRUB 1190 497 435 380 LICB 1051 421 389 394 MAHB 1049 264 271 423 MALB 1042 505 475 394 MATB 1258 529 412 512 METB 1923 431 528 779 MIAB 1204 477 391 433 MONB 1140 445 435 368 MORB 1100 356 482 427 MSPB 1292 353 393 501 NOWB 950 200 352 347 PATB 913 569 454 0 REUB 950 323 299 444 REZB 2208 464 379 834 RIPB 2185 378 402 759 SANB 1329 334 433 519 SCRB 1093 378 410 425 SODB 1186 360 382 461 SPJB 3908 1216 1156 1533 STJB 1617 647 764 620 SYPB 2608 739 497 1207 TLSB 1692 306 511 522 TRIB 1260 531 560 411 YASB 1294 599 593 427 YEMB 1336 286 380 605 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- ENVISAT SPOT2 SPOT4 SPOT5 ------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution ign07d02 at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 13.1 18.6 15.5 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign07d02 TX = -0.3 +- 1.5 mm TY = 7.0 +- 1.6 mm TZ = -25.3 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign07d02 S = -1.6 +- 0.2 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 1.33 0.67 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr