Date: Mon, 2 Oct 2000 11:13:33 -0700 (PDT) From: David C Jefferson Message-Id: <200010021813.LAA10913@kalman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7608] Wk 1080 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 02 Oct 11:13:34 PDT 2000 Message Number 7608 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1080 (DAYS 261-267, DATES 2000 Sep 17 - Sep 23) ****************************************************************************** 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/1080. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10807.sum This text file. jpl10807.erp Earth rotation parameters for GPS week 1080. jpl10807.snx Ground station coordinates for GPS week 1080, SINEX format. jpl1080[0-6].sp3 GPS ephemerides for GPS week 1080, sp3 format. jpl1080[0-6].tro Ground station troposphere estimates for GPS week 1080. jpl1080[0-6].clk GPS and ground station clocks for GPS week 1080, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm This week, we add a new candidate global station. As with other sites, this site is 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) ORID (Ohrid, Macedonia) 4498451.8655 1708266.9432 4173591.8938 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: PIE1 (not USNO) used as reference clock days 261, 262, 266, and 267. WARNING: NRC1 (not USNO) used as reference clock days 263 and 265. WARNING: Data from PRN15 and PRN28 excluded the entire GPS week 1080. WARNING: Data from GUAT, MANA, PETP, WTZT excluded day 261. WARNING: Data from KELY, LBCH, NTUS, PETP, RAMO, VNDP, WTZT excluded day 262. WARNING: Data from LBCH, NTUS, PETP, USNO, WTZT excluded day 263. WARNING: Data from MANA, PETP, YAKZ excluded day 264. WARNING: Data from CHIL, NICO, PETP, TABL, UNSA excluded day 265. WARNING: Data from KUNM, LBCH, NTUS, PETP, SANT, WTZT excluded day 266. WARNING: Data from PETP, WTZT excluded day 267. 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 1080 (2000 Sep 17 - Sep 23) 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 51804.50 14377 240322 1640097 5045 35 40 154 154 42 0 25 -1735 333 51805.50 12991 240959 1635278 4593 35 40 148 148 42 0 25 -1611 283 51806.50 11438 241777 1630453 5057 30 35 131 131 42 0 25 -1292 708 51807.50 9687 242795 1625274 5301 30 34 126 126 42 0 25 -1931 695 51808.50 7786 243630 1619743 5761 34 39 139 139 42 0 25 -1276 519 51809.50 6021 243683 1613624 6478 38 44 150 150 42 0 25 -1358 -505 51810.50 4846 243636 1607430 5910 36 43 138 138 42 0 25 -1090 102 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1080: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1080 (2000 Sep 17 - Sep 23) 00 9 17 00 9 18 00 9 19 00 9 20 00 9 21 00 9 22 00 9 23 prn 3d rss (cm) 1 14 9 6 7 11 10 6 2 7 6 7 18 14 7 5 3 16 11 4 6 9 7 10 4 7 6 8 9 5 6 5 5 5 5 7 8 8 7 8 6 14 8 13 11 5 10 12 7 7 9 12 6 9 10 15 8 7 8 6 9 6 8 5 9 7 9 6 9 8 7 7 10 8 11 9 9 8 9 9 11 12 13 14 9 7 9 14 13 21 17 7 7 7 8 10 17 6 8 8 11 7 10 13 19 16 17 7 12 9 11 12 20 10 15 8 11 11 11 13 21 7 9 9 13 13 12 11 22 7 8 5 6 10 6 6 23 15 14 12 17 18 27 11 24 8 5 6 4 6 7 10 25 9 12 6 6 8 7 10 26 7 7 15 10 7 6 8 27 10 11 7 9 7 6 5 29 14 11 7 11 9 12 12 30 10 6 5 6 6 6 8 31 10 8 3 7 8 12 10 _______________________ 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 1080 (2000 Sep 17 - Sep 23) 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* 5.8 .398 1.34 36.8 4.54 3.14 AOML 1.0 24.4 -.214e-02 57.0 7.00 2.63 AREQ* 2.0 33.7 12.1 29.6 4.00 2.31 ARTU 4.9 14.2 -.788e-01 35.6 4.86 2.62 ASC1 6.8 122. -.107e-01 72.1 5.30 2.34 AUCK* 7.0 17.6 -.328e-02 53.9 4.46 2.79 BAHR* 2.9 .425 785. 32.3 7.19 3.74 BARB 1.0 20.5 -.932e-01 26.0 8.00 3.24 BJFS .9 .623 688. 18.0 5.00 3.32 CAS1* 1.9 23.5 -.543e-02 26.0 4.00 1.15 CHUR 1.0 .965 -2.75 29.0 4.00 1.88 CIC1 2.0 43.2 -.291e-02 46.6 4.53 2.76 COCO 6.5 83.8 .809e-02 30.3 5.86 3.23 CORD .9 28.4 -.398e-02 92.0 3.00 .996 CRO1 .9 .218 .402e-02 40.0 6.00 1.43 DAV1* 6.8 14.2 -.639e-02 79.5 4.17 1.21 DGAR 6.4 21.4 -.121e-01 33.6 7.26 3.13 EISL 6.9 48.3 -.259e-01 77.3 4.74 2.34 ESTI .9 .289e+06 495. 94.0 8.00 1.46 FAIR* 6.7 .436 -.786 25.6 4.00 .951 FORT* 5.7 1.68 .119 91.5 5.18 1.79 GALA 6.0 31.6 -.117 24.8 4.54 3.26 GOUG .9 .290e+06 497. 66.0 5.00 2.88 GUAM* 2.8 29.5 -.155 65.1 7.35 2.98 HOB2* 1.9 .110 -15.7 50.1 6.00 3.47 HRAO 6.0 .236e+06 587. 78.7 4.85 3.78 IISC 6.4 51.3 -.341e-01 88.7 6.75 1.93 IRKT* 4.5 .586 -.254e-01 63.1 4.84 2.54 JAB1 6.8 30.8 -.120 59.0 5.59 2.92 JAMA 1.0 34.9 -.145 76.0 4.00 2.78 JPLM 1.0 .666e+04 10.8 49.0 4.00 2.92 KELY 2.8 27.0 -.649e-02 62.6 6.00 1.31 KERG* 6.9 .289e+06 500. 46.8 5.58 2.24 KIT3* 4.7 32.0 -.157e-01 42.9 4.82 3.72 KOKB* 6.9 1.81 -2.31 46.5 4.45 1.18 KOUR* 3.9 29.8 -.112 50.0 6.24 2.63 KUNM 3.7 64.0 -.415e-01 86.2 5.79 2.37 KWJ1* 5.6 .178e+07 284. 38.2 5.16 .958 LHAS* 3.0 13.2 -.311e-02 33.7 5.00 3.62 MAC1* 6.7 14.3 -.964e-01 32.8 4.15 1.94 MAG0 4.9 16.2 -.829e-01 43.8 4.22 2.67 MALI* 5.5 .526e+05 -210. . 7.37 1.91 MAS1* 5.0 2.57 .266 30.0 4.64 3.35 MCM4* 3.8 63.9 45.3 53.9 5.00 1.18 METS 1.0 .445 482. 26.0 4.00 2.39 NICO 1.0 13.1 -.262e-01 25.0 6.00 3.84 NKLG 7.0 .286e+06 496. 72.4 7.00 1.80 NOUM 1.0 .283e+06 510. 69.0 5.00 2.04 NRC1 2.1 . . 43.5 5.10 3.66 NYA1 4.0 .126 -1.10 31.3 3.79 1.44 NYAL* 3.0 58.0 -.165 53.5 4.72 1.42 ONSA* 6.5 10.1 -.474e-01 44.6 4.17 2.40 PIE1* 3.5 . . 57.0 4.79 2.96 PIMO .9 25.0 .884e-03 . 3.00 .840 POL2 1.0 22.0 -.662e-02 52.0 4.00 2.78 RAMO 2.9 25.5 -.919e-01 65.8 7.00 2.78 REYK 2.0 9.84 -.134e-01 59.1 7.01 1.83 RIOG 5.9 13.3 -.890e-01 33.0 4.00 2.63 SANT* 5.3 178. -.115 33.1 4.89 1.21 SFER 2.0 .518 837. 82.0 4.53 2.61 SOL1 1.0 18.8 -.170e-02 61.0 7.00 3.10 STJO 1.9 2.06 .449 29.6 4.50 3.38 SUTH 1.0 49.4 .146e-01 79.0 4.00 2.74 THTI 5.9 .289e+06 495. 80.2 5.86 2.27 THU1* 1.0 16.4 -.613e-02 50.0 7.00 1.37 TIDB* 6.9 .437 522. 30.5 5.81 3.31 TIXI 1.0 13.3 -.821e-01 44.0 5.00 1.66 TOW2 1.0 23.2 -.887e-02 18.0 4.00 3.90 TSKB* 4.8 1.72 -.540 64.0 4.23 2.92 URUM 1.0 28.2 .295e-02 39.0 8.00 3.03 USNO 1.0 . . 47.0 6.00 3.47 USUD 3.0 .960 -2.24 38.5 4.52 1.24 VESL .8 .288e+06 489. 56.0 6.00 1.65 WES2* 1.0 .274 .414 52.0 5.00 2.60 WSLR 1.0 21.2 -.111e-01 33.0 4.00 3.63 WTZR* 6.9 66.2 .474 56.4 4.87 2.72 WUHN 1.0 24.2 -.112 89.0 6.00 3.94 YAKZ 1.0 14.4 -.869e-01 53.0 5.00 2.75 YAR1* 5.9 310. .283 56.8 4.20 1.78 YELL* 5.8 .465 .321 40.8 4.00 1.46 PRN01 6.9 3.82 145. 49.0 5.00 2.14 PRN02 6.9 3.81 -272. 51.6 5.34 2.25 PRN03 6.9 2.40 41.5 51.6 5.00 1.98 PRN04 6.7 1.14 434. 54.7 5.33 2.04 PRN05 6.9 3.78 266. 54.2 5.00 2.33 PRN06 6.9 6.11 .293e-02 51.9 5.30 2.24 PRN07 6.9 2.05 97.4 55.5 5.16 2.29 PRN08 6.7 2.72 515. 51.3 5.16 2.01 PRN09 6.6 2.70 -8.79 52.7 5.16 2.05 PRN10 6.9 2.69 56.9 53.9 5.31 2.15 PRN11 6.9 .541 602. 53.5 5.00 1.96 PRN13 6.9 .941 -831. 57.3 5.15 2.04 PRN17 6.6 4.84 -274. 57.4 5.30 2.10 PRN19 6.7 4.17 296. 51.5 5.15 1.98 PRN20 6.9 .486 -55.2 54.9 5.00 2.21 PRN21 6.9 2.77 16.1 53.6 5.00 2.06 PRN22 6.9 1.50 296. 53.0 5.00 2.15 PRN23 6.9 4.50 15.7 55.2 6.30 2.42 PRN24 6.7 2.65 2.17 51.3 5.15 2.13 PRN25 6.7 2.03 8.35 51.2 5.15 1.96 PRN26 6.9 .832 557. 51.2 5.16 2.14 PRN27 6.7 4.57 31.4 50.4 4.88 2.04 PRN29 6.9 .875 82.7 53.8 5.00 2.11 PRN30 6.9 1.64 -38.4 55.7 5.00 2.12 PRN31 6.9 3.15 11.8 54.6 5.00 1.92 _______________________ 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 17 00 9 18 00 9 19 00 9 20 00 9 21 00 9 22 00 9 23 prn 3d rss (cm) 1 229 279 438 221 305 272 344 2 338 369 374 249 250 338 350 3 340 233 242 180 1010 694 399 4 948 930 683 1013 789 697 494 5 732 321 367 714 439 422 398 6 433 412 548 597 428 418 663 7 290 236 352 280 365 298 297 8 441 402 450 353 507 479 366 9 502 543 523 392 460 453 648 10 298 273 349 625 375 362 297 11 637 250 322 492 559 255 595 13 436 356 230 316 408 275 297 17 264 328 203 346 280 492 369 19 634 1212 413 486 352 338 575 20 344 253 255 254 248 339 489 21 362 215 190 166 432 454 244 22 703 220 389 656 475 408 685 23 536 565 953 643 974 544 763 24 780 591 747 759 614 364 534 25 352 431 333 685 588 406 434 26 336 286 332 180 266 249 306 27 604 799 555 752 825 756 722 29 178 233 227 287 1076 728 349 30 315 322 346 264 326 239 222 31 156 411 363 393 405 399 332 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo aoml areq artu asc1 auck bahr barb bjfs cas1 chur cic1 coco cord cro1 dav1 dgar eisl esti fair fort gala goug guam hob2 hrao iisc irkt jab1 jama jplm kely kerg kit3 kokb kour kunm kwj1 lhas mac1 mag0 mali mas1 mcm4 mets nico nklg noum nrc1 nya1 nyal onsa pie1 pimo pol2 ramo reyk riog sant sfer sol1 stjo suth thti thu1 tidb tixi tow2 tskb urum usno usud vesl wes2 wslr wtzr wuhn yakz yar1 yell