****************************************************************************** dorisreport 28-Mar-2011 05:29:06 Message No 2431 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1622 = 11037 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1622 from 06-02-2011 to 12-02-2011 DORIS name (using day of start): 11037 Days of year: from 2011/37 to 2011/43 ============================================================== 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/ign11037wd08.snx.Z weekly sinex in ITRF2005 pub/doris/products/sinex_series/ignwd/ign11037wd09.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 1622 from 06-02-2011 to 12-02-2011 Total number of stations = 45 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.28 the following satellites were used in the combination 2011 37 cryosat2 envisat jason2 spot4 spot5 2011 38 cryosat2 envisat jason2 spot4 spot5 2011 39 cryosat2 envisat jason2 spot4 spot5 2011 40 cryosat2 envisat jason2 spot4 spot5 2011 41 cryosat2 envisat jason2 spot4 spot5 2011 42 cryosat2 envisat jason2 spot4 spot5 2011 43 cryosat2 envisat jason2 spot4 spot5 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 06-02-2011 42376 471 41905 1.1 07-02-2011 43808 373 43435 0.9 08-02-2011 44063 471 43592 1.1 09-02-2011 43668 450 43218 1.0 10-02-2011 41677 501 41176 1.2 11-02-2011 45321 447 44874 1.0 12-02-2011 44908 360 44548 0.8 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 7935 8072 7913 7721 7741 8147 7846 ENVISAT 7797 7968 7732 7561 7579 7750 7960 JASON2 16161 15965 15588 15667 15859 16239 15778 SPOT4 5168 5119 4681 4764 4877 4972 5136 SPOT5 4844 6311 7678 7505 5120 7766 7828 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.455 0.465 0.454 0.442 0.480 0.473 0.462 ENVISAT 0.455 0.441 0.449 0.465 0.471 0.440 0.442 JASON2 0.396 0.394 0.403 0.388 0.412 0.409 0.390 SPOT4 0.451 0.440 0.431 0.426 0.456 0.440 0.431 SPOT5 0.376 0.394 0.417 0.413 0.425 0.399 0.403 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 390 361 405 414 427 384 359 ARFB 319 356 305 354 282 376 383 ASEB 228 262 240 344 253 231 240 BADB 450 478 501 543 503 515 473 BEMB 1136 1163 1271 1389 1501 1431 1392 BETB 343 427 361 424 380 390 438 CADB 306 339 374 438 402 336 371 CHAB 534 589 562 578 568 595 577 CIDB 342 344 383 437 345 316 465 COBB 768 705 806 798 775 769 790 CRQB 246 235 281 294 332 309 211 DIOB 237 277 320 283 297 270 294 DJIB 298 295 322 363 355 325 347 EVEB o 151 184 209 205 221 199 229 GREB 444 407 470 454 452 482 437 HBMB 402 468 437 449 413 511 518 HEMB 345 328 309 253 341 394 354 JIUB 395 386 382 337 257 464 401 KETB 357 407 457 460 317 416 436 KIUB 439 448 443 473 419 449 450 KOLB 402 471 449 494 405 423 496 KRBB 500 450 642 443 596 577 650 KRUB 295 285 253 294 368 203 291 LICB 292 268 353 322 335 257 302 MAHB 272 368 309 330 224 320 384 MALB 305 289 380 276 323 347 343 METB 408 493 536 538 499 489 572 MIAB 293 412 416 428 467 335 447 MSPB 515 479 378 513 500 434 511 NOWB 224 373 355 435 431 281 97 PAUB 328 370 444 439 358 418 443 PDMB o 267 303 420 388 315 411 346 REUB o 241 247 289 339 245 244 262 REZB 445 542 564 524 571 591 526 RILB 247 321 327 300 313 326 280 RIQB 555 516 496 647 496 614 531 SALB 314 271 384 313 381 360 331 SANB o 235 375 409 342 486 292 426 SPJB 1148 1249 1317 1299 1285 1275 1297 STJB o 460 547 520 493 511 553 523 SYPB 939 1056 685 0 360 1090 1156 THUB 1114 1115 1246 1211 1242 1317 1215 TLSB 434 559 538 565 567 605 596 YASB 330 406 461 357 495 390 421 YEMB 347 403 491 497 465 475 507 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 JASON2 SPOT4 SPOT5 --------------------------------------------- AMVB 1723 1186 3850 641 1051 ARFB 1394 1059 2917 618 852 ASEB 1196 851 2207 351 779 BADB 2117 1714 4537 810 1262 BEMB 6469 4447 4256 1843 3455 BETB 1355 1222 2711 830 959 CADB 1471 1153 3064 711 832 CHAB 2159 1695 4975 1183 1320 CIDB 1302 1212 2737 753 938 COBB 2855 2271 5674 1674 1646 CRQB 1927 895 4340 422 853 DIOB 1356 833 3382 471 795 DJIB 1498 1047 2797 632 837 EVEB 633 471 1528 444 615 GREB 1817 1466 4330 630 1182 HBMB 1488 1292 3097 1096 978 HEMB 1441 1010 2695 556 981 JIUB 1453 1252 3070 626 1029 KETB 2178 1348 4669 638 1124 KIUB 1453 1312 3358 917 1153 KOLB 1705 1311 3481 1075 891 KRBB 2004 1818 3899 807 1438 KRUB 1419 1057 2701 764 751 LICB 1339 1039 2514 542 773 MAHB 1155 1047 2378 552 869 MALB 1356 980 2584 702 785 METB 2666 1900 4533 276 1611 MIAB 1724 1239 3551 797 923 MSPB 1754 1415 4238 939 1209 NOWB 1423 1089 2985 536 754 PAUB 1392 1250 2855 1037 865 PDMB 1609 1193 3838 420 1001 REUB 1359 943 2745 301 830 REZB 3389 2005 3949 531 1621 RILB 845 1143 2678 371 916 RIQB 2813 1875 5104 620 1550 SALB 1480 1057 2782 695 931 SANB 1691 1316 3675 469 954 SPJB 6397 4102 3812 2001 3047 STJB 1986 1519 4286 896 1341 SYPB 3076 2576 3299 894 2031 THUB 6343 4057 4375 1491 3327 TLSB 1678 1536 3809 1309 1179 YASB 1687 1272 3514 825 955 YEMB 3466 7 5248 1054 2241 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 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 12.4 10.5 13.2 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to ign09d02 TX = 5.8 +- 1.5 mm TY = 5.3 +- 1.4 mm TZ = 0.4 +- 1.3 mm 7.3) Scale factor ----------------- Scale factor / ITRF2005 using reference ign09d02 S = -2.7 +- 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 0.68 0.82 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr