Date: Thu, 12 Oct 2000 18:52:55 -0700 (PDT) From: David C Jefferson Message-Id: <200010130152.SAA29028@kalman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7643] Wk 1082 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 12 Oct 18:52:56 PDT 2000 Message Number 7643 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1082 (DAYS 275-281, DATES 2000 Oct 01 - Oct 07) ****************************************************************************** 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/1082. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10827.sum This text file. jpl10827.erp Earth rotation parameters for GPS week 1082. jpl10827.snx Ground station coordinates for GPS week 1082, SINEX format. jpl1082[0-6].sp3 GPS ephemerides for GPS week 1082, sp3 format. jpl1082[0-6].tro Ground station troposphere estimates for GPS week 1082. jpl1082[0-6].clk GPS and ground station clocks for GPS week 1082, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm A large clock discontinuity (reset) of about 630 microseconds was detected for PRN11 at approximately 08:55 on day 279. 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 276, 280, and 281. WARNING: Data from PRN15 and PRN28 excluded the entire GPS week 1082. WARNING: Data from PRN25 excluded days 275-277. WARNING: Data from BILL, LBCH, MALI, NOUM, PETP, REYK, WTZT excluded day 275. WARNING: Data from BILL, CAGL, LBCH, MEDI, NTUS, PETP, WES2, WTZT excluded day 276. WARNING: Data from BILL, GOPE, LBCH, PETP, WES2, WTZT excluded day 277. WARNING: Data from LBCH, PETP, WES2, WTZT excluded day 278. WARNING: Data from HARV, KELY, LBCH, NTUS, PETP, WTZT, YAKZ excluded day 279. WARNING: Data from DAEJ, GUAT, JAB1, LAMA, NTUS, PETP, WTZT, YAKZ excluded day 280. WARNING: Data from GUAT, JAB1, KELY, PETP, QUIN, WTZT, WUHN excluded day 281. 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 1082 (2000 Oct 01 - Oct 07) 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 51818.50 -6506 247417 1553906 7727 36 42 140 140 42 0 24 -1418 424 51819.50 -8147 248124 1546172 7741 40 48 141 141 42 0 24 -1744 378 51820.50 -10284 248800 1538957 6690 38 48 144 144 42 0 24 -2214 210 51821.50 -12229 249228 1532313 6598 35 43 134 134 42 0 25 -2052 473 51822.50 -13931 249804 1525577 6873 37 44 132 132 42 0 25 -1709 824 51823.50 -15421 250230 1518473 7335 34 39 134 134 42 0 25 -1313 224 51824.50 -16933 250525 1510914 7784 37 48 138 138 42 0 25 -1213 191 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1082: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1082 (2000 Oct 01 - Oct 07) 00 10 1 00 10 2 00 10 3 00 10 4 00 10 5 00 10 6 00 10 7 prn 3d rss (cm) 1 17 7 8 6 9 9 6 2 13 9 8 5 8 4 7 3 8 8 5 6 6 7 6 4 12 8 9 5 13 10 18 5 8 7 7 5 9 8 7 6 8 7 6 13 12 9 10 7 16 6 6 5 11 8 4 8 9 6 4 4 12 7 4 9 8 6 7 9 25 14 8 10 5 6 3 3 6 10 4 11 9 14 16 8 9 7 7 13 12 6 4 7 8 13 5 17 7 5 6 4 13 14 11 19 8 6 6 9 7 15 18 20 13 7 10 17 5 10 13 21 11 10 8 10 9 8 6 22 8 4 4 5 8 4 4 23 9 11 4 10 7 6 8 24 8 6 7 4 12 8 9 25 10 4 5 6 26 8 3 4 8 6 6 5 27 9 6 4 6 9 8 6 29 47 6 12 9 12 6 13 30 10 8 7 4 6 10 6 31 6 4 4 6 10 6 9 _______________________ 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 1082 (2000 Oct 01 - Oct 07) 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* 6.0 .278 1.63 34.0 3.53 3.00 ALIC 1.0 95.4 -.858e-01 49.0 5.00 4.06 AOML 2.0 27.1 -.286e-02 59.5 7.06 2.98 AREQ* 4.0 .278e+05 72.9 26.0 4.00 2.83 ARTU 5.0 .104e+05 -.284 35.8 4.63 2.41 ASC1 3.6 467. .350e-02 80.3 5.27 2.74 AUCK* 5.0 17.1 .282e-02 58.8 4.43 2.74 BAHR* 4.9 .294e+04 770. 34.2 5.90 3.35 BJFS 1.0 1.07 690. 19.0 6.00 3.28 CAS1* 2.0 11.2 -.169e-01 27.0 3.57 .940 CHAT* 2.0 28.3 -.167e-01 92.5 5.00 2.99 CIC1 6.0 45.7 -.872e-02 56.9 4.00 2.96 COCO 7.0 14.9 -.536e-02 26.6 5.61 3.85 DAV1* 6.7 22.8 -.638e-02 77.5 3.99 1.26 DGAR 6.9 480. .158 32.6 6.91 3.12 EISL 5.8 .119e+05 -.177e-01 87.1 4.82 2.49 FAIR* 6.5 1.68 -1.26 26.5 3.85 .831 FORT* 5.1 2.91 .350 . 5.52 1.76 GALA 6.8 34.5 -.136 24.7 4.16 2.92 GOUG 1.0 .289e+06 515. 60.0 4.00 2.75 GUAM* 5.8 40.3 -.165 45.1 8.00 3.26 GUAT 1.0 .288e+06 505. 94.0 6.00 1.58 HOB2* 1.0 .106 -31.3 46.0 6.00 3.56 HRAO 7.0 .289e+06 502. 78.3 5.19 3.61 IISC 1.5 46.5 -.652e-02 90.0 5.53 1.93 IRKT* 7.0 .489 -.132 66.8 4.74 2.56 JAB1 4.9 35.1 -.144 61.4 6.00 2.98 JPLM 1.0 11.3 191. 67.0 4.00 3.52 KARR 1.0 128. -.286e-02 44.0 6.00 3.32 KELY 3.9 14.7 .233e-02 62.3 5.73 1.41 KIT3* 1.9 116. -.390e-02 46.5 4.56 3.45 KODK 3.0 .312e+05 -.814 37.7 4.68 2.32 KOKB* 6.9 .706 -2.28 45.9 5.07 1.15 KOUR* 7.0 51.1 -.138 47.5 6.85 2.85 KWJ1* 6.1 866. -.255e-01 65.8 5.44 1.08 LHAS* 7.0 14.6 -.375e-02 33.1 4.60 3.35 MAC1* 6.6 15.0 -.102 33.1 4.08 1.62 MAD2 1.0 .841e-01 -1.72 37.0 5.00 2.41 MAG0 7.0 .210e+05 -.432 43.3 4.46 2.55 MALI* 2.5 .196e+05 -182. 85.0 7.02 1.43 MAS1* 5.7 17.5 .584 30.5 4.35 3.44 MAW1 1.9 19.9 -.169e-01 34.5 4.00 1.23 MCM4* 3.9 .582e+04 13.2 60.1 4.78 1.20 METS 1.0 .268 481. 22.0 4.00 2.51 NICO .6 19.1 -.124e-01 25.0 5.00 3.74 NOUM .9 .288e+06 484. 79.0 5.00 2.04 NRC1 3.1 . . 48.1 4.35 3.59 NYA1 4.0 262. -.404 32.6 4.00 1.38 NYAL* 3.0 .109 -.345 52.6 4.68 1.63 OHIG* 5.9 157. -.145e-01 87.8 4.19 2.02 ONSA* 7.0 12.1 -.498e-01 45.3 4.31 2.40 PERT* 1.0 2.51 .270 72.0 4.00 2.80 POL2 1.0 16.8 .329e-02 59.0 4.00 3.09 RAMO 2.0 30.5 -.108 62.1 5.53 2.26 REYK 2.9 8.99 -.133e-01 55.5 5.70 1.40 RIOG 1.9 24.7 -.913e-01 34.6 4.00 2.52 SANT* 6.2 305. -.283 31.4 4.15 1.13 SELE 4.0 49.8 -.133e-01 78.5 3.55 2.86 SFER 1.0 .621 837. 71.0 5.00 2.54 STJO 5.0 2.85 .447 31.2 4.87 3.23 TIDB* 7.0 .323 522. 29.9 5.59 3.79 TIXI 1.0 22.3 -.933e-01 42.0 5.00 1.77 TOW2 1.0 28.0 -.121e-01 18.0 4.00 3.47 TRAB 1.9 17.3 .390e-01 43.5 5.00 3.16 TSKB* 4.8 263. -.628 63.7 4.00 2.62 UCLU 1.0 48.5 -.820e-02 58.0 4.00 2.99 USNO 4.0 . . 45.5 5.52 3.57 VESL .9 .288e+06 487. 57.0 5.00 1.99 WHIT 1.0 25.6 -.849 30.0 5.00 2.52 WTZR* 6.3 176. -.470 56.1 4.61 2.51 WUHN 5.9 .377e+05 -.882 88.7 6.00 3.40 YAR1* 5.6 519. -.539 51.0 3.73 1.80 YELL* 6.9 .239 .507 39.6 4.29 1.40 ZECK 1.0 13.2 .174e-02 71.0 3.00 2.62 PRN01 7.0 3.45 147. 50.4 5.00 2.12 PRN02 7.0 3.51 -279. 49.9 5.00 2.30 PRN03 7.0 1.94 45.7 49.8 4.74 2.06 PRN04 7.0 1.13 469. 54.9 5.00 2.13 PRN05 7.0 3.75 268. 50.7 5.15 2.31 PRN06 7.0 6.15 -.354e-01 53.0 5.45 2.37 PRN07 7.0 1.79 165. 51.1 5.00 2.31 PRN08 7.0 2.79 556. 50.7 5.00 2.15 PRN09 7.0 2.13 -10.9 54.9 5.16 2.32 PRN10 7.0 2.67 57.5 53.6 5.00 2.27 PRN11 6.8 .406e+05 447. 51.0 5.00 1.98 PRN13 7.0 .819 -829. 57.3 5.00 2.17 PRN17 6.9 4.76 -277. 53.2 5.32 2.28 PRN19 7.0 4.13 310. 48.2 5.00 2.10 PRN20 7.0 .484 -52.6 55.9 5.00 2.18 PRN21 7.0 3.74 16.8 51.5 5.00 2.16 PRN22 7.0 1.30 329. 54.7 5.00 2.08 PRN23 7.0 6.03 .445 52.3 5.00 2.46 PRN24 7.0 2.56 5.93 48.3 5.00 2.27 PRN25 4.0 2.95 8.70 52.0 5.00 2.07 PRN26 7.0 .795 561. 52.3 5.31 2.20 PRN27 7.0 4.47 32.8 47.5 5.00 2.15 PRN29 7.0 .746 124. 51.1 4.87 2.24 PRN30 7.0 1.72 -40.5 54.7 5.16 2.18 PRN31 7.0 2.82 13.5 54.5 5.15 1.96 _______________________ 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 1 00 10 2 00 10 3 00 10 4 00 10 5 00 10 6 00 10 7 prn 3d rss (cm) 1 440 469 517 512 460 422 535 2 696 653 588 442 526 653 531 3 484 385 468 497 404 440 329 4 482 414 652 758 632 580 730 5 649 755 569 831 604 760 529 6 516 723 728 656 752 616 507 7 491 536 419 419 426 622 448 8 384 529 496 440 450 432 700 9 509 366 452 383 446 463 237 10 462 463 532 656 511 552 467 11 536 450 372 575 291 622 390 13 352 416 514 538 486 463 662 17 260 719 497 606 525 513 335 19 499 534 444 388 549 962 655 20 618 466 515 640 491 632 635 21 747 398 441 365 512 518 409 22 795 1925 466 688 661 360 220 23 924 692 873 822 584 1050 485 24 420 511 573 474 790 1138 806 25 688 600 801 415 26 298 448 341 332 456 349 505 27 540 496 544 532 740 1228 386 29 563 357 370 416 650 806 433 30 278 410 636 624 393 581 600 31 530 459 498 356 524 592 806 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic aoml areq artu asc1 auck bahr bjfs cas1 chat cic1 coco dav1 dgar eisl fair fort gala goug guam guat hob2 hrao iisc irkt jab1 jplm karr kely kit3 kodk kokb kour kwj1 lhas mac1 mad2 mag0 mali mas1 maw1 mcm4 mets nico noum nrc1 nya1 nyal ohig onsa pert pol2 ramo reyk riog sant sele sfer stjo tidb tixi tow2 trab tskb uclu usno vesl whit wtzr wuhn yar1 yell zeck