Date: Tue, 14 Nov 2000 15:37:09 -0800 (PST) From: David C Jefferson Message-Id: <200011142337.PAA02099@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7733] Wk 1086 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 14 Nov 15:37:10 PST 2000 Message Number 7733 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1086 (DAYS 303-309, DATES 2000 Oct 29 - Nov 04) ****************************************************************************** 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/1086. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10867.sum This text file. jpl10867.erp Earth rotation parameters for GPS week 1086. jpl10867.snx Ground station coordinates for GPS week 1086, SINEX format. jpl1086[0-6].sp3 GPS ephemerides for GPS week 1086, sp3 format. jpl1086[0-6].tro Ground station troposphere estimates for GPS week 1086. jpl1086[0-6].clk GPS and ground station clocks for GPS week 1086, 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) HARB (Pretoria, South Africa) 5084660.1387 2670326.3467 -2768482.6263 SLOR (San Lorenzo, Honduras) 277528.9454 -6198801.9087 1471065.5687 SSIA (San Salvador, El Salvador) 95566.9680 -6197785.6770 1500590.5323 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: DRAO (not USNO) used as reference clock day 303. WARNING: ALGO (not USNO) used as reference clock day 304. WARNING: NRC1 (not USNO) used as reference clock days 305-309. WARNING: Data from KELY, LBCH, PETP, WTZT excluded day 303. WARNING: Data from JAMA, LBCH, PETP, WTZT excluded day 304. WARNING: Data from KELY, NICO, PETP, WTZT excluded day 305. WARNING: Data from FORT, JAMA, KELY, LBCH, PETP, SOFI, WTZT excluded day 306. WARNING: Data from KUNM, LBCH, NOUM, PETP excluded day 307. WARNING: Data from ASC1, BARB, PETP excluded day 308. WARNING: Data from PETP, WTZT excluded day 309. 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 1086 (2000 Oct 29 - Nov 04) 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 51846.50 -49615 277377 1274174 13551 38 44 161 161 42 0 25 -1122 1514 51847.50 -50517 279543 1260666 13465 34 41 179 179 42 0 24 -1714 1863 51848.50 -51774 281830 1247248 13371 34 42 158 158 42 0 25 -1363 1651 51849.50 -53042 283563 1234484 12156 32 40 174 174 42 0 25 -773 1677 51850.50 -54334 285161 1222428 11956 32 39 172 172 42 0 25 -1273 2028 51851.50 -55864 286860 1210454 11992 32 40 166 166 42 0 26 -1003 2097 51852.50 -57021 288547 1198664 11589 36 44 168 168 42 0 26 -970 1618 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1086: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1086 (2000 Oct 29 - Nov 04) 00 10 29 00 10 30 00 10 31 00 11 1 00 11 2 00 11 3 00 11 4 prn 3d rss (cm) 1 9 9 10 7 16 12 15 2 21 19 19 13 15 6 8 3 8 6 5 6 10 9 13 4 15 6 4 6 8 3 7 5 10 7 6 7 5 6 4 6 10 6 4 6 6 6 9 7 16 12 11 10 10 6 5 8 15 12 10 8 6 6 7 9 7 5 4 6 4 4 6 10 15 12 11 6 4 6 8 11 6 18 16 12 11 23 13 13 8 8 12 23 13 17 17 8 4 6 5 4 4 8 19 14 19 12 17 20 12 15 20 17 10 14 17 13 11 8 21 7 5 10 8 7 14 18 22 11 5 15 6 7 8 22 23 13 9 6 8 6 6 9 24 10 10 6 5 4 5 11 25 9 6 5 8 10 9 14 26 7 6 12 8 5 10 8 27 11 9 7 6 7 28 6 7 7 19 29 9 7 7 9 12 10 6 30 17 8 8 6 6 6 4 31 16 5 8 9 8 6 19 _______________________ 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 1086 (2000 Oct 29 - Nov 04) 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) | | | | | | | |___ |__ |_______ |_______ |___ |___ |__ ALBH 1.0 .489e-01 -.672 52.0 4.00 3.62 ALGO* 6.9 .903e-01 1.80 34.2 3.89 3.14 AOML 3.0 55.2 -.115e-01 64.3 5.36 2.83 AREQ* 3.8 .251e+07 85.9 21.3 4.00 1.64 ARTU 4.9 .187e+05 .797 36.6 4.22 2.45 ASC1 4.2 .114e+04 .330e-01 71.1 5.44 2.49 AUCK* 7.0 24.1 .363e-03 67.7 4.30 3.11 BAHR* 1.0 .358 763. 31.0 5.00 3.36 CAS1* 3.0 11.0 -.629e-02 27.3 4.00 1.10 CIC1 4.9 52.7 -.110e-02 71.1 4.43 3.00 COCO 7.0 16.2 -.291e-02 30.9 5.59 3.62 DAV1* 4.4 31.0 -.936e-02 93.2 3.64 1.09 DGAR 5.8 84.0 -.162e-01 33.8 6.86 2.85 DRAO* 1.0 . . 33.0 4.00 2.43 FAIR* 6.8 1.89 -1.91 35.3 4.08 .896 FORT* 4.2 .760e+07 13.2 . 6.23 1.53 GALA 6.7 31.6 -.130 24.3 4.15 3.70 GOUG 4.4 .289e+06 490. 60.6 5.22 2.67 GUAM* 6.8 44.1 -.176 43.4 7.88 3.69 HOB2* 1.0 .161 -6.52 46.0 7.00 3.46 HRAO 6.0 .288e+06 503. 76.6 4.89 3.43 INEG 2.9 .288e+06 -22.5 59.5 4.00 .871 IRKT* 7.0 1.06 -.362 70.2 4.00 2.70 JAB1 6.9 39.2 -.157 62.9 6.74 3.17 JAMA 3.8 34.0 -.103 41.2 5.47 2.97 KELY .8 .238e+04 .272 58.0 5.00 1.20 KIT3* 7.0 20.9 -.110e-01 42.4 5.00 3.70 KOKB* 7.0 .757 -2.24 38.8 5.31 1.21 KOUR* 7.0 6.34 419. 53.4 6.32 2.67 KWJ1* 5.8 141. -.276e-01 72.6 5.77 1.02 LHAS* 4.8 17.5 .220e-02 32.8 4.00 3.51 LPGS 1.0 49.1 -.777e-02 54.0 5.00 2.32 MAC1* 6.7 16.7 -.111 33.8 3.87 1.65 MAG0 5.0 26.2 -.903e-01 39.4 4.00 2.43 MALI* 5.3 .114e+08 -.169e+04 . 7.29 1.56 MAS1* 5.9 2.18 .994 33.0 4.34 3.00 MATE* 1.0 .118 531. 68.0 5.00 2.52 MAW1 4.9 23.2 -.456e-02 36.5 3.84 1.26 MCM4* 6.0 85.5 39.6 65.5 4.84 1.14 NOUM 1.0 .291e+06 505. 71.0 6.00 1.87 NRC1 5.2 . . 50.8 4.00 3.49 NRIL 4.9 20.6 -.885e-01 36.6 4.00 1.93 NYA1 2.0 .151 -.464 29.4 3.60 1.07 NYAL* 4.9 .404 -.948 50.7 4.00 1.16 OHIG* 7.0 17.8 -.850e-03 70.8 4.16 1.95 ONSA* 6.9 16.4 -.530e-01 44.2 4.73 2.51 PERT* 1.0 1.85 -.392 68.0 4.00 2.51 PIE1* 1.0 .155 -.305 81.0 4.00 2.82 RAMO 6.0 39.3 -.121 55.5 6.00 2.63 RBAY 1.0 29.5 .133e-01 68.0 6.00 3.24 REYK 1.0 8.58 -.732e-02 54.0 5.00 1.08 SANT* 6.3 320. -.413 30.2 4.33 1.09 SFER 1.0 .360 837. 64.0 4.00 2.34 STJO 1.0 4.61 .839 29.0 4.00 3.60 THU1* 1.0 16.5 -.708e-02 47.0 7.00 .962 TIDB* 7.0 .182 868. 28.2 5.16 3.66 TIXI 2.0 17.0 -.852e-01 42.4 4.00 1.23 TSKB* 7.0 1.96 1.42 71.4 4.32 2.57 USUD 1.0 100. 529. 32.0 5.00 3.17 VESL 3.9 .289e+06 501. 56.1 5.23 1.77 WTZR* 7.0 .240 .219 52.4 4.60 3.02 WUHN 6.9 31.4 -.721e-01 79.7 6.00 3.59 YAR1* 6.2 724. -.128 60.2 3.47 1.79 YELL* 6.9 .129 .523 41.5 3.65 1.50 PRN01 7.0 2.96 151. 50.9 5.00 2.08 PRN02 6.4 3.64 -291. 50.5 5.00 1.90 PRN03 7.0 2.41 53.5 48.0 5.00 2.05 PRN04 7.0 1.18 532. 53.9 5.00 2.03 PRN05 6.8 3.50 271. 51.1 5.00 2.04 PRN06 7.0 7.95 .733e-01 50.5 5.00 2.12 PRN07 7.0 1.98 284. 50.7 5.00 2.25 PRN08 7.0 2.98 628. 48.5 5.00 1.99 PRN09 7.0 2.68 -15.2 48.6 5.00 2.10 PRN10 6.9 2.42 58.9 54.7 5.16 1.88 PRN11 6.0 .440 .423 49.7 5.00 1.96 PRN13 7.0 .361 .120 61.9 5.00 2.12 PRN17 7.0 4.87 -281. 49.6 5.00 2.30 PRN19 7.0 3.48 337. 50.3 4.91 2.02 PRN20 7.0 .359 -50.6 53.2 5.00 2.08 PRN21 7.0 2.75 18.0 49.6 5.16 2.27 PRN22 6.6 1.34 389. 58.7 5.00 1.91 PRN23 7.0 5.92 2.15 51.1 5.00 2.29 PRN24 7.0 2.25 3.35 48.8 5.00 2.09 PRN25 7.0 2.35 9.25 52.2 5.00 2.00 PRN26 7.0 .768 40.8 49.4 5.00 1.97 PRN27 5.0 3.86 .488 47.9 4.62 2.01 PRN28 4.0 1.27 -6.08 56.0 5.27 2.05 PRN29 7.0 .833 201. 50.0 5.00 2.28 PRN30 6.7 1.64 -44.6 53.3 5.15 1.97 PRN31 7.0 3.33 16.9 52.4 5.16 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 10 29 00 10 30 00 10 31 00 11 1 00 11 2 00 11 3 00 11 4 prn 3d rss (cm) 1 505 436 542 567 426 763 676 2 374 410 359 425 384 599 932 3 197 269 164 205 357 357 248 4 335 223 269 405 425 344 314 5 580 431 484 534 487 654 860 6 564 534 615 650 688 819 748 7 480 483 375 276 480 542 414 8 494 368 424 386 338 346 393 9 279 425 362 288 328 334 318 10 488 459 405 597 261 235 217 11 523 1320 275 294 798 374 13 351 287 579 292 462 395 376 17 488 241 320 358 340 852 1323 19 330 678 944 358 338 424 339 20 209 356 413 361 298 315 394 21 558 752 748 489 261 198 330 22 756 321 580 374 492 535 1086 23 591 650 544 585 650 534 523 24 500 442 452 364 447 703 798 25 438 590 234 545 302 376 215 26 265 254 384 163 206 414 680 27 354 349 416 500 780 28 316 405 462 383 29 363 386 318 398 241 230 259 30 405 290 323 342 351 327 394 31 518 332 383 523 358 457 299 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: albh algo aoml areq artu asc1 auck bahr cas1 cic1 coco dav1 dgar drao fair fort gala goug guam hob2 hrao ineg irkt jab1 jama kely kit3 kokb kour kwj1 lhas lpgs mac1 mag0 mali mas1 mate maw1 mcm4 noum nrc1 nril nya1 nyal ohig onsa pert pie1 ramo rbay reyk sant sfer stjo thu1 tidb tixi tskb usud vesl wtzr wuhn yar1 yell