Date: Wed, 13 Sep 2000 19:10:17 -0700 (PDT) From: David C Jefferson Message-Id: <200009140210.TAA00112@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7557] Wk 1078 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 13 Sep 19:10:18 PDT 2000 Message Number 7557 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1078 (DAYS 247-253, DATES 2000 Sep 03 - Sep 09) ****************************************************************************** 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/1078. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10787.sum This text file. jpl10787.erp Earth rotation parameters for GPS week 1078. jpl10787.snx Ground station coordinates for GPS week 1078, SINEX format. jpl1078[0-6].sp3 GPS ephemerides for GPS week 1078, sp3 format. jpl1078[0-6].tro Ground station troposphere estimates for GPS week 1078. jpl1078[0-6].clk GPS and ground station clocks for GPS week 1078, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm A large clock discontinuity (reset) of about 20 microseconds was detected for PRN24 at approximately 18:00 on day 251. 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: Data for PRN15 and PRN28 excluded the entire GPS week 1078. WARNING: Data from ESTI, FORT, GUAM, LBCH, NYAL, OBER, PETP, WTZT excluded day 247. WARNING: Data from LBCH, NTUS, PETP, WES2, WTZT excluded day 248. WARNING: Data from DRAG, GODE, PETP, TIDB, WES2, WTZT excluded day 249. WARNING: Data from DRAG, NOTO, NTUS, PETP, WES2, WTZT, ZIMM excluded day 250. WARNING: Data from DRAG, HOLP, LBCH, NTUS, PETP, QUIN, ZWEN excluded day 251. WARNING: Data from DRAG, HOLP, KELY, LBCH, LONG, PETP, ZIMM excluded day 252. WARNING: Data from DRAG, GRAZ, HOLP, LBCH, PETP, POL2, SOFI, ZIMM excluded day 253. 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 1078 (2000 Sep 03 - Sep 09) 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 51790.50 46015 242140 1698837 5346 28 31 127 127 42 0 26 -1148 -151 51791.50 44328 242257 1693366 5596 33 35 134 134 42 0 26 -1801 -340 51792.50 42299 242292 1687902 5331 32 34 136 136 42 0 26 -1434 -264 51793.50 40157 242228 1682605 5263 33 34 138 138 42 0 26 -2479 -351 51794.50 37800 242008 1677917 4114 33 35 141 141 42 0 26 -2052 -520 51795.50 35597 241634 1673807 4105 40 40 148 148 42 0 26 -2618 -391 51796.50 33028 241006 1669949 3612 29 32 130 130 42 0 26 -1971 -683 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1078: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1078 (2000 Sep 03 - Sep 09) 00 9 3 00 9 4 00 9 5 00 9 6 00 9 7 00 9 8 00 9 9 prn 3d rss (cm) 1 7 7 5 4 8 4 3 2 3 8 13 6 5 4 4 3 6 14 5 16 8 14 7 4 10 11 6 6 10 11 8 5 14 6 7 7 13 10 12 6 6 7 5 12 8 4 4 7 11 4 7 6 6 8 5 8 3 5 7 4 9 23 6 9 11 9 11 10 13 9 8 10 10 7 10 8 7 7 6 11 15 14 6 16 34 18 14 13 4 4 6 4 5 10 8 16 10 5 4 4 11 9 5 17 10 8 9 8 8 21 10 19 7 8 5 7 12 9 8 20 10 7 5 7 9 7 8 21 8 7 9 9 7 6 10 22 7 7 6 6 11 15 8 23 17 16 11 22 24 14 16 24 9 9 18 5 14 15 10 25 11 12 6 9 10 12 9 26 9 10 6 8 9 8 4 27 5 7 6 4 6 7 7 29 9 4 7 12 9 12 6 30 9 11 7 8 14 10 8 31 8 5 4 9 9 13 17 _______________________ 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 1078 (2000 Sep 03 - Sep 09) 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 .705e-01 1.06 35.8 4.49 3.46 AREQ* 3.9 .839e+04 22.4 27.4 4.28 3.12 ARTU 7.0 .111e+06 -11.0 35.9 5.02 2.41 ASC1 6.8 164. -.957e-02 78.5 5.75 2.69 AUCK* 7.0 20.1 .318e-03 58.1 5.33 2.50 BAHR* 7.0 .493 785. 32.6 5.93 3.62 BARB 6.8 27.7 -.101 28.0 6.59 3.19 CAS1* 1.0 12.1 -.749e-02 28.0 4.00 .782 CIC1 6.0 43.0 -.353e-02 55.7 4.36 2.76 COCO 5.7 325. -.197e-01 30.4 6.19 3.52 DARW 2.0 17.6 -.130e-01 36.5 6.00 3.38 DAV1* 6.9 14.4 -.694e-02 58.1 3.65 1.13 DGAR 5.9 25.0 -.925e-02 32.1 6.06 2.63 EISL 7.0 56.0 -.247e-01 80.3 5.02 2.62 FAIR* 7.0 .119 -.421 27.3 5.15 1.97 FORT* 4.6 114. .141 99.0 5.66 1.67 GOUG .9 .288e+06 486. 65.0 6.00 2.94 HARV .9 17.7 -.877e-02 64.0 5.00 2.49 HOB2* 1.9 .655e+04 -23.5 31.5 5.52 1.39 HRAO 7.0 .226e+04 797. 78.0 4.73 3.43 IISC 4.6 58.8 -.503e-01 83.1 6.29 1.60 IRKT* 7.0 .646 .936e-01 65.5 5.16 2.58 JAB1 4.9 36.7 -.125 60.3 6.04 3.03 KELY 5.8 .304e+05 -3.81 64.6 5.86 1.53 KERG* 4.0 .289e+06 508. 47.3 5.53 2.21 KOKB* 7.0 .821e-01 -2.33 41.3 5.45 2.90 KUNM 4.8 71.6 -.377e-01 91.7 5.82 2.39 KWJ1* 5.8 .135e+06 10.9 56.7 5.93 1.01 LHAS* .9 16.1 -.444e-02 35.0 7.00 3.40 MAC1* 6.8 17.1 -.996e-01 33.0 4.04 2.30 MAD2 1.0 .898e-01 -.163 41.0 5.00 2.97 MAG0 6.0 .482e+05 -.991 44.8 5.04 2.72 MALI* 6.2 .574e+05 -119. . 7.13 1.55 MANA 4.4 .288e+06 498. 92.2 7.00 1.61 MAS1* 3.9 3.31 .963e-01 31.0 4.24 3.79 MCM4* 3.8 .506e+04 14.1 64.8 4.55 1.10 MKEA 1.0 35.1 -.125 29.0 6.00 3.82 NKLG 4.0 .283e+06 475. 71.0 7.00 1.78 NTUS .8 162. -.176e-01 59.0 7.00 .614 NYA1 6.0 .102 -.817 31.3 4.00 1.54 NYAL* 1.0 .185 -.194 54.0 4.00 1.33 ONSA* 7.0 9.58 -.487e-01 43.7 4.76 2.48 REYK 1.0 8.51 -.436e-02 56.0 6.00 1.60 RIOG 6.9 16.2 -.851e-01 34.8 4.45 2.68 SANT* 6.4 244. -.720e-01 33.9 5.00 2.42 SELE 6.9 59.9 -.132e-01 64.0 4.55 2.97 SFER 2.0 .576 540. 69.0 5.00 2.33 STJO 4.0 2.81 .380 30.3 4.77 3.48 SYOG .9 .287e+06 482. 45.0 6.00 1.44 TEGU 2.0 .289e+06 494. 97.0 7.51 1.63 THTI 4.0 .289e+06 505. 82.3 5.26 2.10 TID1 1.0 .120 -1.20 33.0 6.00 2.82 TIDB* 4.0 .181 522. 33.3 6.26 3.58 TIXI 1.0 13.4 -.832e-01 43.0 6.00 1.75 TOW2 3.0 24.6 -.661e-02 19.4 4.36 3.85 TRAB 4.0 15.5 .336e-01 44.8 5.52 3.12 TSKB* 7.0 1.73 -.443 69.7 5.99 2.81 USNO 7.3 . . 48.0 5.75 3.69 USUD 3.0 .212 -.986 41.9 5.00 2.09 VESL .8 .289e+06 498. 56.0 4.00 2.41 WILL 1.0 1.39 1.25 31.0 4.00 2.93 WTZR* 7.0 .367 -.549 54.3 5.00 2.89 WUHN 1.9 .155e+04 .419e-01 60.4 8.34 3.41 YAR1* 6.1 462. .370 55.6 4.76 1.79 YELL* 5.8 .893e-01 .173 43.0 4.20 1.65 PRN01 7.0 3.37 143. 50.2 5.00 2.38 PRN02 7.0 2.88 -266. 52.8 5.00 2.32 PRN03 7.0 2.65 37.4 52.6 5.00 2.31 PRN04 6.8 1.17 395. 52.9 5.31 2.29 PRN05 7.0 3.22 264. 51.1 5.34 2.31 PRN06 7.0 6.98 .307e-02 50.9 5.61 2.41 PRN07 7.0 1.81 92.9 53.6 5.00 2.27 PRN08 6.8 2.59 471. 49.6 5.15 2.20 PRN09 6.6 2.11 -6.79 51.9 5.33 1.95 PRN10 7.0 2.70 56.3 52.7 5.00 2.40 PRN11 6.9 .464 576. 55.2 5.44 2.27 PRN13 7.0 .752 -830. 57.5 5.00 2.34 PRN16 7.0 8.57 -7.65 55.8 5.00 2.18 PRN17 6.6 4.66 -272. 55.3 5.30 2.28 PRN19 6.7 4.27 282. 51.2 5.15 2.10 PRN20 7.0 .515 -59.1 57.0 5.15 2.30 PRN21 7.0 2.82 15.4 52.9 5.48 2.37 PRN22 7.0 1.76 260. 54.2 5.00 2.42 PRN23 7.0 4.18 15.1 55.7 7.08 2.39 PRN24 6.5 .165e+04 787. 51.6 5.85 2.28 PRN25 6.6 2.21 7.97 53.1 5.73 2.19 PRN26 7.0 .724 551. 53.0 5.00 2.21 PRN27 6.8 4.07 30.1 49.9 5.00 2.18 PRN29 7.0 1.04 39.2 53.0 5.31 2.24 PRN30 7.0 1.64 -36.3 53.6 5.31 2.13 PRN31 7.0 2.91 10.2 55.9 5.15 2.26 _______________________ 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 9 3 00 9 4 00 9 5 00 9 6 00 9 7 00 9 8 00 9 9 prn 3d rss (cm) 1 558 414 445 552 354 510 331 2 403 372 595 300 407 433 323 3 214 301 239 409 386 209 237 4 257 337 398 413 505 739 609 5 242 837 697 482 626 491 682 6 613 449 440 670 692 478 505 7 198 174 166 256 455 244 346 8 254 176 265 499 343 913 504 9 274 315 348 514 530 378 285 10 561 516 634 368 417 614 378 11 286 755 272 234 450 363 317 13 424 281 370 293 664 487 387 16 922 844 615 575 735 584 501 17 282 355 247 295 362 315 360 19 368 590 513 837 1352 1014 505 20 400 266 270 541 920 485 396 21 265 333 217 266 409 220 275 22 288 365 552 893 1028 571 414 23 180 278 321 663 752 362 300 24 1458 984 646 1003 1587 738 967 25 299 341 407 499 498 598 614 26 546 519 422 352 373 296 553 27 402 466 541 512 594 642 692 29 230 297 397 767 647 345 367 30 404 388 235 291 287 296 427 31 204 214 213 379 402 388 368 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo areq artu asc1 auck bahr barb cas1 cic1 coco darw dav1 dgar eisl fair fort goug harv hob2 hrao iisc irkt jab1 kely kerg kokb kunm kwj1 lhas mac1 mad2 mag0 mali mana mas1 mcm4 mkea nklg ntus nya1 nyal onsa reyk riog sant sele sfer stjo syog tegu thti tid1 tidb tixi tow2 trab tskb usno usud vesl will wtzr wuhn yar1 yell