Date: Tue, 24 Oct 2000 16:38:07 -0700 (PDT) From: David C Jefferson Message-Id: <200010242338.QAA00924@cobra.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7670] Wk 1083 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 24 Oct 16:38:13 PDT 2000 Message Number 7670 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1083 (DAYS 282-288, DATES 2000 Oct 08 - Oct 14) ****************************************************************************** Submitted by the JPL IGS/FLINN Analysis Team: D C Jefferson, Y E Bar-Sever, M B Heflin, F H Webb, J F Zumberge all at the Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109. Files listed below are available in Unix compressed format and can be retrieved using anonymous ftp to sideshow.jpl.nasa.gov (137.78.60.30), directory pub/jpligsac/1083. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10837.sum This text file. jpl10837.erp Earth rotation parameters for GPS week 1083. jpl10837.snx Ground station coordinates for GPS week 1083, SINEX format. jpl1083[0-6].sp3 GPS ephemerides for GPS week 1083, sp3 format. jpl1083[0-6].tro Ground station troposphere estimates for GPS week 1083. jpl1083[0-6].clk GPS and ground station clocks for GPS week 1083, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm This week, we add three new candidate global stations. As with other sites, these sites are given the opportunity to participate in the orbit and clock solution as the global site distribution varies. The following nominal coordinates were assumed: X (m) Y (m) Z (m) NRIL (Norilsk, Russian Federation) 64537.2902 2253782.9180 5946363.6340 RBAY (Richardsbay, S. Africa) 4739765.9403 2970758.2793 -3054077.8671 YEBE (Yebes, Spain) 4848724.8079 -261632.2914 4123094.1106 Due to potential problems, data from stations mentioned below were not considered for use in the global solution for the day indicated. (For geographical reasons, they may not have been used in any case.) WARNING: NRC1 (not USNO) used as reference clock days 282 and 288. WARNING: ALGO (not USNO) used as reference clock days 286 and 287. WARNING: Data from PRN15 and PRN28 excluded the entire GPS week 1083. WARNING: Data from PRN13 excluded days 284 and 285. WARNING: Data from PRN11 excluded days 286 and 287. WARNING: Data from GUAT, JAB1, KELY, PETP, RIOG, WTZT excluded day 282. WARNING: Data from EPRT, MEDI, NICO, NTUS, PETP, WTZT excluded day 283. WARNING: Data from KELY, LBCH, NICO, NTUS, OAT2, PETP, UNSA, WTZT excluded day 284. WARNING: Data from DGAR, GUAT, JAB1, LBCH, MALI, PETP, UNSA excluded day 285. WARNING: Data from GUAT, JAB1, LBCH, PETP, WTZT excluded day 286. WARNING: Data from DRAG, GUAT, JAB1, MALI, PETP, WTZT excluded day 287. WARNING: Data from ESTI, GUAT, LBCH, PETP, WTZT excluded day 288. In the following table, UT1R-UTC are the integrated values based on estimated LODR values in the adjacent column. See IGS Report No. 1498 (jpl07827.sum) for details: JPL ERP TABLE GPS week 1083 (2000 Oct 08 - Oct 14) version 2 MJD XPole Ypole UT1R-UTC LODR Xsg Ysg UTsg LOsg Nr Nf Nt Xrt Yrt 10**-6" 10**-6" .1us .1us/d 10**-6" .1us .1us/d 10**-6"/d 51825.50 -18398 250867 1503000 8039 36 45 138 138 42 0 25 -1689 300 51826.50 -19822 251574 1494995 7971 35 43 139 139 42 0 25 -1672 963 51827.50 -21173 252615 1486719 8581 36 44 138 138 42 0 24 -1507 1412 51828.50 -22394 254073 1477770 9318 37 45 140 140 42 0 24 -1115 1964 51829.50 -23522 255783 1468314 9593 37 45 147 147 42 0 24 -1469 1730 51830.50 -25312 257387 1458673 9689 37 44 156 156 42 0 24 -2326 1564 51831.50 -27268 258822 1448640 10378 36 43 140 140 42 0 25 -2222 925 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1083: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1083 (2000 Oct 08 - Oct 14) 00 10 8 00 10 9 00 10 10 00 10 11 00 10 12 00 10 13 00 10 14 prn 3d rss (cm) 1 12 30 13 10 9 17 22 2 6 5 6 10 14 17 12 3 6 5 8 8 8 4 6 4 7 7 6 8 11 4 7 5 3 6 6 5 8 5 6 6 12 14 6 5 6 10 9 7 6 9 5 6 12 8 5 8 5 6 5 8 10 20 10 9 5 5 5 4 4 8 5 10 4 5 5 8 30 25 7 11 17 15 25 30 12 13 8 18 3 7 11 17 6 5 8 4 5 9 7 19 13 9 6 13 7 9 6 20 14 8 12 14 14 14 11 21 6 4 9 9 7 7 9 22 5 9 13 14 7 6 8 23 5 4 7 4 7 11 11 24 6 8 8 7 11 8 6 25 8 8 9 14 8 5 8 26 4 6 5 5 10 5 6 27 6 14 7 10 7 15 8 29 6 5 11 11 6 10 11 30 6 8 5 7 6 6 6 31 11 5 9 9 8 9 7 _______________________ END ORBIT REPEATABILITY TABLE The following table statistically summarizes this week's "engineering data", as described in IGS Report No. 1528: JPL ENGINEERING DATA SUMMARY TABLE GPS week 1083 (2000 Oct 08 - Oct 14) receiver/transmitter (dot means point positioned, * means fiducial site) | days analyzed | | rms clock noise (ns) | | | average clock solution (us) | | | | rms pseudorange (cm) | | | | | (dot means pcode not analyzed) | | | | | rms phase (mm) | | | | | | average arc (hr) | | | | | | | |___ |__ |_______ |_______ |___ |___ |__ ALGO* 7.0 .784e-01 1.64 32.2 3.77 3.32 ALIC 1.0 124. -.129e-01 48.0 5.00 3.72 AOML 1.0 20.7 -.163e-02 57.0 6.00 3.10 AREQ* 3.0 37.8 15.2 26.3 4.39 2.31 ARTU 5.0 20.7 -.873e-01 36.2 4.00 2.55 ASC1 6.5 126. -.121e-01 77.1 5.15 2.38 AUCK* 6.0 18.4 -.390e-02 59.9 4.53 2.79 BAHR* 7.0 .504 763. 34.9 4.87 3.51 BARB 1.8 31.1 -.114 26.1 6.51 3.04 BJFS 2.0 2.06 691. 18.5 4.00 3.18 CAS1* 2.0 11.5 -.402e-02 27.4 4.00 1.35 CIC1 5.9 104. -.156e-01 59.1 4.18 2.92 COCO 7.0 14.5 -.230e-02 27.1 5.73 3.73 CRO1 1.0 .250 -.357e-01 . 4.00 .989 DAEJ 4.0 1.65 563. 62.5 5.27 2.26 DARW 2.0 .174e+05 -.871 39.4 7.52 3.41 DAV1* 7.0 17.1 -.355e-02 79.1 3.86 1.22 DGAR 3.9 67.8 -.147e-01 34.7 6.30 2.94 EISL 5.7 56.1 -.150e-01 80.8 4.85 2.77 FAIR* 6.7 1.35 -1.57 32.7 3.77 .830 FORT* 5.6 36.0 .471 85.6 5.35 1.51 GALA 3.9 33.2 -.125 24.7 4.00 3.08 GOUG 3.0 .289e+06 502. 62.0 4.37 2.75 GUAM* 7.0 44.2 -.159 49.6 7.17 3.21 HOB2* 3.0 .112 -36.0 46.0 5.69 3.20 HRAO 5.0 .289e+06 506. 77.6 4.63 3.82 IISC 3.3 49.6 -.319e-01 90.2 5.53 2.03 IRKT* 7.0 .489 -.197 68.7 4.00 2.52 JAB1 3.0 34.2 -.138 63.7 6.73 3.32 JPLM 1.0 .697e+04 7.01 63.0 4.00 2.95 KELY 1.0 14.9 -.796e-03 73.0 5.00 1.22 KERG* 6.0 .289e+06 506. 51.9 6.18 2.31 KIT3* 1.9 30.5 -.693e-02 43.0 5.00 3.59 KOKB* 7.0 .761 -2.28 42.4 5.46 1.15 KOUR* 4.0 33.4 -.129 49.3 6.26 2.48 KUNM 2.9 97.9 -.583e-01 93.0 5.00 2.74 KWJ1* 5.9 .169e+06 2.77 60.8 5.35 .968 LHAS* 3.9 12.7 -.229e-02 32.7 4.28 3.66 MAC1* 6.7 16.6 -.108 33.1 3.91 1.76 MAG0 6.9 22.6 -.903e-01 42.2 4.31 2.76 MALI* .8 .168e+04 2.55 . 7.00 1.99 MANA 1.0 .288e+06 504. 87.0 7.00 2.21 MAS1* 4.0 127. .127 28.8 4.52 3.28 MAW1 1.0 21.8 -.503e-02 35.0 4.00 1.76 MCM4* 5.5 .512e+04 11.5 61.0 4.51 .968 NKLG 6.0 .281e+06 508. 71.6 7.32 1.74 NRC1 2.1 . . 42.2 4.52 3.43 NRIL 1.0 16.2 -.803e-01 37.0 4.00 1.55 NYA1 1.0 258. .437 32.0 4.00 1.02 NYAL* 6.0 .174 -.477 53.6 4.47 1.35 OHIG* 6.6 22.4 -.275e-02 78.4 4.00 2.04 ONSA* 7.0 11.7 -.491e-01 45.5 4.16 2.59 PERT* 1.0 282. -.170e-01 66.0 4.00 2.62 REYK 5.0 9.21 -.597e-02 56.4 6.00 1.65 SANT* 6.3 633. -.270 35.5 4.00 1.16 SELE 3.9 56.6 -.701e-02 77.7 3.00 3.02 SFER 3.0 .559 837. 68.0 4.00 2.51 STJO 5.0 3.70 .667 32.4 4.85 3.67 SUTH 2.0 47.8 -.463e-02 83.5 4.00 2.74 SYOG .8 .253e+06 551. 43.0 7.00 .917 TEGU 2.0 .289e+06 503. 94.4 6.55 1.77 THTI 6.0 .289e+06 503. 76.6 5.85 2.07 TIDB* 7.0 .226 522. 27.9 5.74 3.86 TRAB 1.0 16.3 .286e-01 45.0 5.00 3.11 TSKB* .8 1.42 1.50 65.0 4.00 2.79 USNO 3.0 . . 44.7 5.00 3.73 WHIT 1.0 13.5 -1.59 29.0 4.00 2.82 WTZR* 7.0 .191 -1.25 53.7 4.73 2.82 YAR1* 5.2 820. -.692 62.6 3.77 1.88 YELL* 6.8 .144 .537 45.2 4.15 1.44 ZECK 1.0 31.6 -.169e-01 73.0 3.00 2.66 PRN01 7.0 2.83 148. 53.2 5.00 2.05 PRN02 6.9 3.04 -282. 52.9 5.00 2.15 PRN03 7.0 2.11 47.7 53.9 5.00 2.07 PRN04 7.0 1.31 486. 57.2 5.00 2.14 PRN05 7.0 2.81 269. 53.3 5.00 2.17 PRN06 7.0 6.85 -.546e-01 53.4 5.15 2.37 PRN07 7.0 1.75 197. 58.5 5.00 2.26 PRN08 7.0 3.34 575. 52.9 5.00 2.10 PRN09 7.0 2.28 -12.0 54.2 5.00 2.17 PRN10 7.0 2.31 57.9 54.6 5.16 2.22 PRN11 5.0 .434 .194 52.5 5.22 1.99 PRN13 5.0 .599 -331. 60.5 4.82 2.04 PRN17 7.0 4.01 -278. 58.5 5.15 2.25 PRN19 7.0 4.20 316. 52.7 5.00 1.85 PRN20 7.0 .531 -51.7 59.1 5.00 2.04 PRN21 7.0 4.74 17.1 55.1 5.15 2.20 PRN22 6.9 1.19 345. 56.0 5.00 2.05 PRN23 7.0 5.40 .894 55.1 5.16 2.42 PRN24 7.0 2.61 7.71 55.1 5.00 2.19 PRN25 7.0 1.98 8.83 54.1 5.15 1.87 PRN26 7.0 .733 562. 52.4 5.15 2.24 PRN27 7.0 4.79 33.5 50.3 4.86 1.93 PRN29 7.0 .778 144. 55.8 5.00 2.22 PRN30 7.0 1.78 -41.5 52.4 5.00 2.11 PRN31 7.0 2.67 14.3 57.3 5.00 2.06 _______________________ END ENGINEERING DATA SUMMARY TABLE As described in IGS Mail Message 37, the following table compares the JPL precise ephemerides with those from the broadcast ephemeris: JPL COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES 00 10 8 00 10 9 00 10 10 00 10 11 00 10 12 00 10 13 00 10 14 prn 3d rss (cm) 1 574 826 545 512 456 244 264 2 363 642 710 532 426 348 507 3 343 445 333 392 306 361 523 4 331 450 434 446 457 266 278 5 621 514 654 411 535 566 342 6 443 482 567 511 536 524 497 7 449 328 313 489 329 560 346 8 459 358 430 530 299 337 325 9 320 520 415 452 394 484 462 10 415 425 381 405 492 391 463 11 494 605 590 519 199 13 514 424 507 552 363 17 550 229 169 328 377 281 293 19 1108 656 446 615 354 332 383 20 427 537 681 601 492 493 621 21 281 387 447 471 401 330 471 22 326 344 284 433 263 454 465 23 569 1205 955 863 446 913 430 24 873 522 576 583 477 460 454 25 405 413 470 547 438 394 369 26 548 242 238 360 340 510 481 27 553 413 372 221 385 364 301 29 424 473 582 561 227 257 204 30 323 288 233 282 229 260 168 31 491 318 395 361 294 366 378 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic aoml areq artu asc1 auck bahr barb bjfs cas1 cic1 coco cro1 daej darw dav1 dgar eisl fair fort gala goug guam hob2 hrao iisc irkt jab1 jplm kely kerg kit3 kokb kour kunm kwj1 lhas mac1 mag0 mali mana mas1 maw1 mcm4 nklg nrc1 nril nya1 nyal ohig onsa pert reyk sant sele sfer stjo suth syog tegu thti tidb trab tskb usno whit wtzr yar1 yell zeck