Date: Mon, 16 Apr 2001 09:13:56 -0700 (PDT) From: David C Jefferson Message-Id: <200104161613.JAA22047@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-8171] Wk 1108 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 16 Apr 09:13:57 PDT 2001 Message Number 8171 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1108 (DAYS 91-97, DATES 2001 Apr 01 - Apr 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/1108. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl11087.sum This text file. jpl11087.erp Earth rotation parameters for GPS week 1108. jpl11087.snx Ground station coordinates for GPS week 1108, SINEX format. jpl1108[0-6].sp3 GPS ephemerides for GPS week 1108, sp3 format. jpl1108[0-6].tro Ground station troposphere estimates for GPS week 1108. jpl1108[0-6].clk GPS and ground station clocks for GPS week 1108, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm 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 entire GPS week 1108. WARNING: Data from PRN10 excluded day 093. WARNING: Data from PRN17 excluded days 091, 096, and 097. WARNING: Data from PRN20 excluded day 094. WARNING: Data from BJFS, CARR, GRAZ, IISC, LBCH, PETP, SEY1, WTZT excluded day 091. WARNING: Data from DGAR, GRAZ, IISC, KELY, LBCH, NLIB, SEY1, WTZT excluded day 092. WARNING: Data from GOLD, JAMA, KSTU, LBCH, LPGS, MEDI excluded day 093. WARNING: Data from GRAZ, HOB2, KELY, LBCH, WTZT excluded day 094. WARNING: Data from LBCH, WTZT excluded day 095. WARNING: Data from CARR, DAV1, GRAZ, LBCH, WTZR, WTZT excluded day 096. WARNING: Data from ASC1, CARR, GRAZ, LBCH, LPGS, PIMO, SELE, WTZT excluded day 097. JPL REFERENCE CLOCK TABLE GPS week 1108 (2001 Apr 01 - Apr 07) 2001-04-01 USNO 2001-04-02 NRC1 2001-04-03 NRC1 2001-04-04 NRC1 2001-04-05 NRC1 2001-04-06 NRC1 2001-04-07 NRC1 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 1108 (2001 Apr 01 - Apr 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 52000.50 91698 489500 61448 9623 42 54 192 192 42 0 26 2042 -472 52001.50 93708 489006 52238 8797 43 49 185 185 42 0 27 2098 -26 52002.50 95924 488755 43478 8723 42 51 184 184 42 0 26 2370 -749 52003.50 98029 487872 34835 8563 39 49 183 183 42 0 26 2452 -547 52004.50 100345 487034 26270 8567 40 46 180 180 42 0 27 2601 -560 52005.50 102968 486761 17494 8986 39 49 184 184 42 0 26 2788 -437 52006.50 105627 486478 8047 9907 42 52 189 189 42 0 26 2364 -93 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1108: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1108 (2001 Apr 01 - Apr 07) 01 4 1 01 4 2 01 4 3 01 4 4 01 4 5 01 4 6 01 4 7 prn 3d rss (cm) 1 4 5 5 4 4 7 12 2 9 8 4 8 9 7 9 3 7 7 4 4 5 11 6 4 5 8 9 4 6 8 10 5 12 8 13 8 13 9 18 6 26 21 14 10 18 7 12 7 10 9 13 8 8 8 14 8 7 6 5 5 5 15 8 9 12 14 14 11 6 7 15 10 8 4 3 6 9 21 11 23 22 13 12 8 11 65 13 5 5 7 3 3 14 12 14 12 11 8 10 15 11 9 17 16 15 20 22 19 6 6 7 5 5 8 15 20 10 9 6 7 19 15 21 9 8 7 25 28 11 8 22 6 6 6 5 5 7 11 23 17 12 12 7 8 22 16 24 12 11 9 5 6 11 14 25 6 7 5 7 6 10 6 26 8 9 10 5 6 7 12 27 7 6 6 4 5 24 11 28 7 7 7 3 6 8 9 29 9 7 6 7 9 8 13 30 14 8 13 15 9 8 7 31 5 5 7 4 3 14 12 _______________________ 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 1108 (2001 Apr 01 - Apr 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* 7.0 .184 .109 39.5 4.00 2.97 ALIC 4.0 106. -.384e-01 54.6 5.53 3.68 ANKR 1.0 25.5 -.138e-01 40.0 4.00 3.46 AREQ* 6.9 45.2 87.7 24.1 4.60 2.77 ARTU 5.9 26.6 -.989e-01 38.0 4.73 2.57 AUCK* 7.0 26.3 -.678e-02 67.0 4.48 3.01 BAHR* 5.8 .450 763. 33.5 4.65 3.62 CAS1* .9 14.8 -.377e-02 30.0 4.00 .804 CASA 1.0 150. .319e+04 72.0 4.00 3.01 CIC1 1.0 66.2 .187e-01 73.0 3.00 2.83 COCO 7.0 14.8 -.868e-02 28.7 7.66 3.76 DAV1* 4.3 17.1 -.112e-01 30.9 3.47 .939 DGAR 5.4 22.4 -.103e-01 35.8 8.07 2.55 EISL 4.8 72.6 -.302e-01 86.0 4.60 2.47 FAIR* 6.9 .727 .206e-01 31.4 4.00 .896 FORT* 5.0 .161e+08 -561. . 6.16 1.49 GALA 1.0 51.3 -.148 23.0 5.00 3.33 GUAM* 6.9 55.9 -.185 51.4 7.59 3.02 GUAT 5.0 .289e+06 503. 86.8 5.81 1.47 HOB2* 2.9 .261 .681e-01 49.3 5.00 3.36 HRAO 2.0 .288e+06 510. 77.0 5.52 3.97 INEG .9 .287e+06 25.6 64.0 4.00 .868 IRKT* 6.8 1.17 -.245e-01 72.1 4.17 2.50 JAMA 1.0 32.5 -.117 45.0 6.00 2.99 KELY 1.9 .123e+04 -.271 61.7 6.00 1.23 KERG* 7.0 .290e+06 496. 52.1 6.16 2.25 KIT3* 1.0 23.7 -.105e-01 81.0 4.00 3.15 KOKB* 6.8 .713 .392e-01 42.2 4.73 1.11 KWJ1* 5.9 106. -.302e-01 52.2 5.45 .953 LHAS* 6.8 11.9 -.229e-02 33.4 4.90 3.50 LPGS 3.9 241. -.455e-01 42.5 4.27 2.75 MAC1* 7.0 615. .872e-01 41.4 3.61 1.76 MAG0 5.8 691. -.967e-01 40.7 5.03 2.69 MANA 1.0 .290e+06 497. 95.0 7.00 1.86 MAS1* 1.9 2.30 59.2 43.0 4.00 3.13 MATE* 1.0 .284 246. 61.0 5.00 2.52 MCM4* .9 .394e+05 166. . 5.00 1.01 MONP 1.0 42.3 -.118 40.0 4.00 3.51 NICO 2.0 16.3 -.103e-01 24.5 4.00 3.89 NKLG 7.0 .283e+06 496. 75.1 7.16 1.78 NRC1 6.1 . . 44.8 3.70 3.05 NRIL 5.8 .206e+05 .699 38.1 4.17 1.47 NSSP 1.0 46.4 -.232e-01 68.0 4.00 2.40 NYA1 3.0 .116 .266 32.3 4.06 1.10 NYAL* 4.0 .225 .753e-01 49.2 4.00 1.37 OHIG* 7.0 17.2 -.395e-02 44.7 4.00 2.44 ONSA* 7.0 .210 325. 45.6 4.16 2.49 POL2 1.0 36.9 -.174e-01 85.0 4.00 2.87 REYK 3.9 9.63 -.461e-02 56.8 6.00 1.59 SANT* 6.6 11.7 764. 97.0 4.88 1.87 SFER 2.0 .640 27.5 67.5 4.00 2.78 SIO3 3.5 48.5 -.127 26.4 4.76 2.91 SUTH 5.0 41.1 -.197e-01 74.4 4.63 2.24 SYOG .9 1.03 286. 49.0 6.00 1.65 THTI 7.0 3.12 270. 76.5 7.17 2.24 TIDB* 7.0 .254 818. 25.1 5.15 3.41 TRAB 1.0 22.6 .204e-01 45.0 6.00 3.00 TSKB* 3.1 1.77 7.44 65.7 3.29 2.60 USNO 1.0 . . 44.0 4.00 3.39 USUD 7.0 1.55 414. 33.8 5.45 3.48 WHIT 1.0 16.4 3.55 38.0 4.00 2.00 WTZR* 6.0 .326e+05 37.2 55.2 4.72 3.01 WUHN 7.0 41.3 -.154 78.1 6.21 3.59 YAKT 1.0 .510 449. 26.0 4.00 2.30 YAR1* 6.5 132. -.604e-02 99.6 3.14 1.96 YAR2 5.0 17.5 -1.31 28.5 3.63 3.61 YEBE 3.9 .155 282. 49.8 5.52 2.07 YELL* 6.9 .308 .858 39.8 4.00 1.48 ZECK 1.0 21.3 -.921e-02 74.0 4.00 2.66 PRN01 7.0 3.43 171. 46.5 5.33 2.22 PRN02 6.6 3.21 -362. 51.5 5.15 2.24 PRN03 7.0 1.91 17.4 47.4 5.00 2.08 PRN04 7.0 1.00 702. 49.4 5.00 2.09 PRN05 6.9 3.11 293. 53.2 5.00 2.07 PRN06 7.0 6.72 -.401 51.5 5.00 2.15 PRN07 7.0 2.31 584. 51.1 5.15 2.28 PRN08 7.0 2.74 74.6 48.2 5.16 2.27 PRN09 7.0 1.89 -38.6 49.7 5.00 2.03 PRN10 6.0 2.20 1.97 52.2 4.86 2.16 PRN11 7.0 .475 1.64 55.2 5.86 2.12 PRN13 7.0 .431 -.919 51.7 5.20 2.18 PRN14 7.0 .260 -99.0 57.3 5.00 2.08 PRN17 4.0 4.17 -306. 52.4 5.26 1.98 PRN19 7.0 3.55 485. 45.1 4.64 2.35 PRN20 6.0 .375 -63.2 54.8 5.51 2.14 PRN21 7.0 3.05 2.08 49.6 5.00 2.03 PRN22 6.9 1.93 573. 51.8 5.31 2.04 PRN23 7.0 5.37 10.6 53.2 5.15 2.00 PRN24 7.0 2.56 40.6 50.9 5.00 2.33 PRN25 7.0 2.31 12.5 53.9 5.15 2.04 PRN26 7.0 .835 414. 48.6 4.88 2.25 PRN27 7.0 3.99 16.4 47.9 5.29 2.30 PRN28 7.0 1.39 12.6 53.4 5.16 2.26 PRN29 7.0 .854 502. 55.3 5.00 2.16 PRN30 7.0 1.78 -14.2 52.2 5.00 2.00 PRN31 7.0 3.95 37.7 47.7 5.34 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 4 1 01 4 2 01 4 3 01 4 4 01 4 5 01 4 6 01 4 7 prn 3d rss (cm) 1 368 334 458 516 392 315 393 2 459 596 584 498 280 196 325 3 388 266 362 239 183 244 205 4 453 396 427 488 453 314 301 5 499 488 480 450 402 353 519 6 540 665 893 533 1014 596 861 7 837 284 333 332 435 310 311 8 542 492 385 394 380 357 320 9 289 250 282 240 310 370 237 10 316 303 586 525 377 373 11 307 297 325 270 347 463 380 13 335 365 362 343 327 364 363 14 545 543 327 288 421 380 331 17 1472 1198 487 1826 19 248 306 278 335 280 310 364 20 227 308 689 435 278 265 21 390 414 296 269 1513 1404 782 22 246 296 252 255 186 165 209 23 1370 705 476 935 669 497 269 24 360 280 251 555 296 296 413 25 345 347 471 455 282 304 244 26 504 443 262 283 339 247 215 27 311 280 366 312 239 316 278 28 428 619 346 388 348 467 271 29 351 357 342 264 339 245 320 30 246 279 355 235 246 225 179 31 247 284 267 471 454 660 270 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic ankr areq artu auck bahr cas1 casa cic1 coco dav1 dgar eisl fair fort gala guam guat hob2 hrao ineg irkt jama kely kerg kit3 kokb kwj1 lhas lpgs mac1 mag0 mana mas1 mate mcm4 monp nico nklg nrc1 nril nssp nya1 nyal ohig onsa pol2 reyk sant sfer sio3 suth syog thti tidb trab tskb usno usud whit wtzr wuhn yakt yar1 yar2 yebe yell zeck