Date: Mon, 12 Mar 2001 10:23:14 -0800 (PST) From: David C Jefferson Message-Id: <200103121823.KAA11038@eiffel.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-8073] Wk 1103 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 12 Mar 10:23:16 PST 2001 Message Number 8073 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1103 (DAYS 56-62, DATES 2001 Feb 25 - Mar 03) ****************************************************************************** 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/1103. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl11037.sum This text file. jpl11037.erp Earth rotation parameters for GPS week 1103. jpl11037.snx Ground station coordinates for GPS week 1103, SINEX format. jpl1103[0-6].sp3 GPS ephemerides for GPS week 1103, sp3 format. jpl1103[0-6].tro Ground station troposphere estimates for GPS week 1103. jpl1103[0-6].clk GPS and ground station clocks for GPS week 1103, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm This week, we add two 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) NPLD (Teddington, United Kingdom) 3985500.4560 -23625.5107 4962941.7700 TLSE (Toulouse, France) 4627852.7154 119639.9671 4372994.2652 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 from PRN15 and PRN18 excluded the enitre GPS week 1103. WARNING: Data from PRN19 excluded day 056. WARNING: Data from PRN17 excluded days 056-058 and 061. WARNING: Data from PRN06 excluded days 058 and 059 due to a maneuver. WARNING: Data from PRN13 excluded day 060 due to a maneuver. WARNING: Data from CAGL, CIT1, KELY, LBCH, SIO3, WTZT excluded day 056. WARNING: Data from DAEJ, INEG, KELY, LBCH, THTI, WTZT excluded day 057. WARNING: Data from HARV, KELY, LBCH, SUWN, WTZT excluded day 058. WARNING: Data from HNPT, KELY, LBCH, NLIB, PETP, SUWN, THTI, WLSN excluded day 059. WARNING: Data from ASC1, BARH, HNPT, KELY, LBCH, NVSK, PETP, SUWN, WUHN excluded day 060. WARNING: Data from KELY, LBCH, PETP, ROCH excluded day 061. WARNING: Data from AZU1, CIT1 excluded day 062. JPL REFERENCE CLOCK TABLE GPS week 1103 (2001 Feb 25 - Mar 03) 2001-02-25 NRC1 2001-02-26 NRC1 2001-02-27 NRC1 2001-02-28 NRC1 2001-03-01 NRC1 2001-03-02 PENT 2001-03-03 PENT END REFERENCE CLOCK TABLE 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 1103 (2001 Feb 25 - Mar 03) 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 51965.50 8111 478245 410500 10560 36 45 207 207 42 0 25 2721 1483 51966.50 10637 479536 399387 11666 37 46 209 209 42 0 26 2670 1133 51967.50 13231 480727 387473 12161 38 45 215 215 42 0 25 2439 786 51968.50 15437 481768 374948 12888 36 42 211 211 42 0 26 2166 1008 51969.50 16857 482632 362481 12046 35 41 214 214 42 0 26 1143 843 51970.50 17932 483167 350561 11795 35 41 210 210 42 0 26 1783 534 51971.50 19385 483619 338802 11723 34 42 204 204 42 0 27 2014 656 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1103: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1103 (2001 Feb 25 - Mar 03) 01 2 25 01 2 26 01 2 27 01 2 28 01 3 1 01 3 2 01 3 3 prn 3d rss (cm) 1 4 5 3 10 8 6 4 2 14 12 9 9 9 12 19 3 5 4 5 3 4 5 5 4 9 10 4 8 11 11 10 5 7 7 16 4 14 9 11 6 12 4 16 22 22 7 10 9 7 10 9 13 11 8 9 5 7 4 7 12 15 9 9 14 11 7 9 10 12 10 12 7 7 5 9 8 11 11 12 9 12 9 7 10 9 13 6 5 5 7 4 6 14 6 9 8 9 8 7 8 17 6 13 11 19 8 11 15 6 6 5 20 8 6 6 8 8 7 6 21 6 14 12 8 21 15 11 22 7 4 5 3 7 5 4 23 6 6 9 6 13 13 10 24 10 12 6 9 9 11 19 25 7 4 7 7 9 8 4 26 7 10 10 2 8 11 7 27 16 6 6 5 8 15 11 28 6 6 6 6 8 6 5 29 5 7 6 8 7 4 8 30 5 8 12 11 9 11 18 31 13 10 8 8 11 8 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 1103 (2001 Feb 25 - Mar 03) 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* 6.7 .156 .427 51.8 4.43 3.43 ALIC 3.0 73.9 -.341e-01 52.7 5.68 3.74 AOML 1.0 26.9 .710e-02 62.0 4.00 3.05 AREQ* 6.0 .167e+05 60.9 26.4 4.37 2.34 ARTU 5.0 .199e+06 42.0 37.8 4.68 2.52 AUCK* 7.0 21.1 -.126e-01 55.1 4.16 3.41 BAHR* 3.9 .686 763. 32.3 4.60 3.55 CIC1 2.0 46.7 -.404e-02 65.5 4.52 2.72 COCO 7.0 16.8 -.894e-02 33.5 5.60 3.78 CORD 1.0 24.3 .208e-01 82.0 4.00 1.21 CRO1 4.0 .288e+06 499. 39.0 5.58 3.81 DARW 1.5 339. -.826e-01 60.6 7.00 3.19 DAV1* 7.0 15.4 -.170e-01 39.8 3.88 1.14 DGAR 5.8 .244e+04 -.438 36.3 6.18 2.91 DRAO* 2.1 . . 46.6 4.00 3.02 EISL 5.4 67.1 -.383e-01 79.3 5.32 2.53 FAIR* 6.8 1.42 .119 23.7 3.51 .903 FORT* 5.6 294. -1.89 91.0 5.91 1.31 GALA 2.0 49.8 -.124 25.5 5.50 2.35 GUAM* 6.7 42.0 -.157 51.6 7.13 3.62 GUAT 3.0 .289e+06 506. 103. 6.00 1.43 HRAO 1.0 .289e+06 518. 73.0 5.00 3.63 IISC 6.8 50.1 -.344e-01 84.4 5.00 1.72 INEG .9 .290e+06 1.36 59.0 5.00 .807 IRKT* 6.9 1.23 .309 61.1 4.60 2.73 JAMA .9 29.4 -.955e-01 40.0 5.00 3.45 KERG* 5.8 .289e+06 508. 56.1 5.69 2.24 KIT3* 2.8 22.8 -.227e-01 46.8 5.40 3.55 KODK 2.9 25.0 -.826e-01 40.7 5.37 2.66 KOKB* 6.9 2.76 -.458e-01 52.2 4.75 1.03 KOUR* 4.9 39.2 432. 45.4 6.00 2.83 KUNM 5.8 103. -.401e-01 86.1 5.16 2.36 KWJ1* 6.0 .108e+07 59.4 47.8 5.46 1.02 LPGS 5.6 112. -.176e-01 60.2 5.51 2.63 MAC1* 7.0 16.5 -.135e-01 40.1 3.75 2.17 MAG0 6.5 18.5 -.907e-01 41.3 4.87 2.60 MALI* 5.7 .103e+05 -6.46 . 7.35 1.66 MAS1* 5.6 2.92 59.2 42.6 5.17 2.74 MCM4* 4.8 .371e+04 20.2 61.6 4.82 .992 MDO1* 1.0 28.5 -3.32 75.0 4.00 2.92 MKEA 1.0 39.3 -.156 25.0 7.00 3.22 NKLG 7.0 .280e+06 512. 73.9 7.43 1.69 NRC1 5.1 . . 74.1 4.00 3.63 NRIL 5.6 .774e+04 .279 38.3 4.35 1.66 NYAL* 6.2 20.1 .126 45.5 4.44 1.25 OHIG* 5.8 13.1 -.121e-01 54.2 4.36 2.32 PIMO .9 25.2 -.120e-01 . 4.00 .819 POL2 1.0 30.3 -.146e-01 65.0 4.00 2.98 RABT 1.0 15.5 -.353e-01 63.0 6.00 2.74 RAMO 3.0 32.8 -.108 45.1 6.35 2.40 REYK 5.5 7.77 -.782e-02 55.6 6.38 1.79 RIOG 1.0 15.0 -.977e-01 37.0 4.00 2.78 SANT* 5.1 11.0 73.6 . 4.74 1.48 SCIP 2.9 37.0 -.108 24.4 4.36 3.05 SELE 2.9 50.9 -.622e-02 66.8 3.35 3.00 SHAO* 1.0 23.2 -.779e-02 86.0 5.00 2.44 SLOR 1.0 .289e+06 512. 101. 7.00 1.91 STJO 1.0 4.45 .989e-01 32.0 5.00 3.42 SUTH 6.0 19.5 -.638e-02 58.2 4.52 2.49 TEGU .8 .290e+06 476. 73.0 6.00 1.81 THTI 3.0 6.80 78.5 74.7 5.73 2.25 TIDB* 7.0 .235 202. 29.2 5.73 3.58 TRAB 1.0 20.9 .240e-01 47.0 6.00 3.02 TSKB* 7.0 1.86 -.921 70.4 4.04 2.94 WTZR* 7.0 .275 -.392 52.6 5.06 3.09 YAR1* 7.0 24.0 -.442 78.8 4.77 2.17 YELL* 7.0 .262 .600 47.1 4.32 1.59 PRN01 7.0 3.98 167. 53.3 5.00 2.13 PRN02 7.0 3.21 -346. 54.9 5.15 2.18 PRN03 7.0 2.31 7.62 49.7 5.00 2.17 PRN04 6.6 1.22 686. 54.7 5.15 2.02 PRN05 7.0 3.48 289. 56.9 5.03 2.11 PRN06 5.0 6.54 -.171 51.4 5.00 2.06 PRN07 7.0 1.69 566. 56.9 5.31 2.07 PRN08 6.6 2.53 795. 56.3 5.60 2.16 PRN09 6.7 2.35 -33.1 57.7 5.00 1.95 PRN10 6.9 2.12 .131 60.5 5.00 2.22 PRN11 7.0 .545 1.29 54.2 5.31 1.97 PRN13 6.0 .703 -.392 56.3 5.17 2.21 PRN14 7.0 .461 -91.5 59.1 5.00 2.13 PRN17 2.9 3.81 -301. 55.0 5.00 2.01 PRN19 5.7 3.75 449. 56.2 5.84 2.00 PRN20 7.0 .306 -57.9 54.3 5.30 2.13 PRN21 7.0 2.84 1.09 49.3 5.00 2.27 PRN22 7.0 1.16 550. 51.5 5.15 2.18 PRN23 7.0 6.43 8.61 56.8 5.00 2.10 PRN24 6.6 2.95 32.2 58.0 5.46 2.04 PRN25 6.8 2.30 11.8 55.3 5.31 2.01 PRN26 7.0 .870 349. 52.9 5.00 2.21 PRN27 6.6 5.70 12.7 55.0 6.12 1.98 PRN28 7.0 1.09 16.4 52.4 5.00 2.40 PRN29 7.0 .758 452. 54.4 5.00 2.16 PRN30 7.0 1.61 -9.60 55.9 4.74 2.10 PRN31 7.0 3.30 32.6 52.6 5.00 2.29 _______________________ 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 01 2 25 01 2 26 01 2 27 01 2 28 01 3 1 01 3 2 01 3 3 prn 3d rss (cm) 1 474 610 485 439 718 946 374 2 283 532 627 557 345 395 771 3 188 236 247 256 167 192 264 4 220 188 467 259 223 261 339 5 183 387 241 318 347 252 329 6 532 372 1978 477 665 7 255 468 625 541 568 244 406 8 495 460 529 333 649 298 209 9 472 347 565 620 546 320 406 10 454 418 339 304 227 502 457 11 287 284 299 318 340 289 362 13 486 269 222 428 754 262 14 351 876 257 715 219 664 306 17 300 476 381 19 901 585 346 384 778 469 20 256 274 329 341 387 460 396 21 897 315 333 528 315 826 1084 22 272 359 304 441 472 317 517 23 455 1015 1203 1148 876 785 776 24 401 412 693 826 1010 556 335 25 479 398 482 321 385 466 391 26 477 550 686 444 397 504 482 27 652 394 389 322 605 717 630 28 417 387 367 411 307 296 641 29 171 267 183 295 427 199 278 30 289 187 257 175 179 119 156 31 486 528 796 555 399 348 304 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic aoml areq artu auck bahr cic1 coco cord cro1 darw dav1 dgar drao eisl fair fort gala guam guat hrao iisc ineg irkt jama kerg kit3 kodk kokb kour kunm kwj1 lpgs mac1 mag0 mali mas1 mcm4 mdo1 mkea nklg nrc1 nril nyal ohig pimo pol2 rabt ramo reyk riog sant scip sele shao slor stjo suth tegu thti tidb trab tskb wtzr yar1 yell