Date: Wed, 31 Jan 2001 14:46:15 -0800 (PST) From: David C Jefferson Message-Id: <200101312246.OAA23777@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-7952] Wk 1097 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 31 Jan 14:46:16 PST 2001 Message Number 7952 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1097 (DAYS 14-20, DATES 2001 Jan 14 - Jan 20) ****************************************************************************** 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/1097. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl10977.sum This text file. jpl10977.erp Earth rotation parameters for GPS week 1097. jpl10977.snx Ground station coordinates for GPS week 1097, SINEX format. jpl1097[0-6].sp3 GPS ephemerides for GPS week 1097, sp3 format. jpl1097[0-6].tro Ground station troposphere estimates for GPS week 1097. jpl1097[0-6].clk GPS and ground station clocks for GPS week 1097, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 7.0 cm A large clock discontinuity (reset) of about 21 microseconds was detected for PRN21 at approximately 14:40 on day 019. 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 excluded the entire GPS week 1097. WARNING: Data from GENO, KELY, PETP, WTZT excluded day 014. WARNING: Data from DAV1, KELY, PETP, WTZT excluded day 015. WARNING: Data from BJFS, GENO, HOLC, MONP, PETP excluded day 016. WARNING: Data from BJFS, CAT1, GENO, MONP, PETP, WTZT excluded day 017. WARNING: Data from BJFS, MONP, SSIA, WTZT excluded day 018. WARNING: Data from BARB, BJFS, KOUR, LBCH, WTZT excluded day 019. WARNING: Data from HOLC, LBCH, NRIL, WTZT, tags, time excluded day 020. JPL REFERENCE CLOCK TABLE GPS week 1097 (2001 Jan 14 - Jan 20) 2001-01-14 NRC1 2001-01-15 NRC1 2001-01-16 NRC1 2001-01-17 NRC1 2001-01-18 USNO 2001-01-19 USNO 2001-01-20 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 1097 (2001 Jan 14 - Jan 20) 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 51923.50 -65875 421226 653009 3841 34 38 101 101 42 0 27 1123 2086 51924.50 -64616 422811 648712 4752 37 40 101 101 42 0 27 1264 1613 51925.50 -63167 424386 643926 4820 38 45 113 113 42 0 27 559 1914 51926.50 -62060 425700 638789 5454 32 38 147 147 42 0 27 1167 1387 51927.50 -60862 427154 633507 5111 35 41 151 151 42 0 27 1121 1574 51928.50 -59718 428705 628261 5380 33 40 148 148 42 0 27 846 1465 51929.50 -58670 429918 622983 5176 36 39 153 153 42 0 27 1089 895 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1097: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1097 (2001 Jan 14 - Jan 20) 01 1 14 01 1 15 01 1 16 01 1 17 01 1 18 01 1 19 01 1 20 prn 3d rss (cm) 1 13 10 7 8 10 9 6 2 10 10 7 10 11 4 5 3 6 10 14 6 12 8 13 4 6 8 8 8 5 8 8 5 3 7 7 4 8 4 5 6 5 4 6 6 4 3 8 7 8 11 7 8 6 5 8 8 11 12 18 10 11 7 9 9 11 8 7 6 7 5 4 10 8 8 9 7 6 10 8 11 8 9 6 9 12 7 6 13 13 12 16 13 8 13 10 14 6 6 5 11 7 5 5 17 6 11 13 4 6 9 6 19 11 21 19 10 13 11 15 20 7 9 6 8 7 5 5 21 6 6 4 8 11 6 4 22 4 5 5 4 8 5 10 23 6 8 6 11 8 6 8 24 9 6 5 8 6 7 5 25 5 5 8 8 6 6 4 26 10 8 6 8 19 9 5 27 8 7 8 8 10 5 6 28 13 9 8 6 7 6 4 29 9 7 5 5 9 4 22 30 5 6 6 4 8 5 3 31 6 12 9 5 6 5 6 _______________________ 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 1097 (2001 Jan 14 - Jan 20) 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* 7.0 328. 1.21 54.5 4.31 3.52 ALIC 3.0 77.0 -.301e-01 65.6 6.35 3.68 AREQ* 3.0 .630e+05 144. 26.0 5.00 2.94 ARTU 6.0 16.1 -.603e-01 37.7 4.00 2.59 AUCK* 7.0 17.9 .475e-02 55.7 4.46 3.19 CAS1* 2.0 12.4 -.763e-02 24.5 4.00 1.41 CIC1 5.0 40.0 -.226e-03 54.0 5.50 2.73 COCO 5.0 15.8 .197e-02 30.5 7.26 3.87 CORD 2.8 21.5 .147e-01 72.7 3.68 1.20 CRO1 5.0 .236 275. 36.6 5.21 3.95 DARW 1.8 .809e+04 2.81 56.0 7.51 2.94 DAV1* 4.7 13.9 .244e-02 69.6 4.00 1.44 DGAR 1.4 63.6 -.569e-02 35.3 5.36 2.35 DRAO* 1.1 . . 38.0 4.00 2.96 EISL 4.9 47.8 -.233e-02 72.5 5.23 2.47 ESTI 1.0 .289e+06 516. 90.0 7.00 1.63 FAIR* 6.8 104. .866 31.0 4.82 .969 FORT* 5.7 138. -.535 90.2 6.34 1.28 GALA 3.0 31.8 -.979e-01 24.7 5.07 4.11 GOUG .9 .290e+06 524. 59.0 6.00 2.83 GUAM* 7.0 34.0 -.124 48.6 7.15 4.09 GUAT 1.0 .289e+06 498. 67.0 5.00 1.73 HARV .7 120. -.413e-01 63.0 4.00 .953 HRAO 1.0 .289e+06 518. 77.0 5.00 3.81 IISC 7.0 37.3 .272e-02 82.6 5.15 1.99 IRKT* 5.9 7.96 322. 47.9 5.18 2.48 JAMA 1.0 22.6 -.354e-01 42.0 5.00 3.40 KARR 1.0 243. .254e-01 34.0 7.00 2.88 KERG* 6.6 .289e+06 499. 57.9 5.87 2.26 KIT3* 7.0 22.4 -.354e-02 45.6 5.16 3.56 KOKB* 7.0 1.77 -2.07 42.0 4.87 1.19 KOUR* 3.5 4.06 426. 46.4 6.77 2.75 KUNM 1.9 83.7 -.465e-02 87.1 5.00 2.52 KWJ1* 3.2 95.7 -.157e-01 64.2 5.27 .987 LHAS* 5.0 14.6 -.241e-03 35.2 4.82 3.70 LPGS .9 412. -.114e-01 55.0 6.00 2.63 MAC1* 7.0 24.1 .149e-02 38.6 4.00 2.26 MAG0 6.0 16.0 -.675e-01 39.8 4.85 2.69 MALI* 2.0 .499e+04 22.6 98.5 7.00 1.80 MANA 1.9 .289e+06 513. 95.9 6.55 2.31 MAS1* 6.8 127. -.813e-01 43.0 4.33 2.70 MAW1 .9 19.7 -.182e-01 35.0 4.00 1.50 MCM4* 7.0 371. 54.9 61.6 5.00 1.23 MDO1* 1.0 30.6 -.349 59.0 4.00 2.65 NKLG 1.9 .252e+06 577. 76.5 7.00 1.81 NRC1 4.4 . . 58.8 4.06 3.71 NRIL 3.9 12.3 -.631e-01 39.0 4.77 1.66 NYAL* 3.3 17.7 -.283e-01 46.7 4.58 1.36 OHIG* 7.0 100. .241e-02 78.1 4.00 2.06 ONSA* 7.0 .317 330. 45.2 4.16 2.59 PERT* 3.0 2.71 -1.54 59.4 5.36 2.63 PIMO 6.9 25.9 .249e-02 73.4 3.62 .983 RAMO 6.9 25.1 -.805e-01 54.8 5.88 2.74 RBAY 1.0 560. -.450e-01 64.0 5.00 2.18 REYK 6.0 8.95 .768e-03 52.2 6.00 2.04 RIOP .9 58.7 -.612e-01 74.0 4.00 1.42 SANT* 6.7 9.87 932. 102. 4.33 1.66 SEY1 4.7 942. -.639e-01 86.9 6.22 1.68 STJO .9 2.20 .120 28.0 4.00 3.38 SUTH 5.0 18.9 .405e-02 64.8 4.00 2.76 SYOG 1.0 .283e+06 483. . 6.00 1.64 THTI 6.7 .106e+06 626. 80.3 7.71 2.38 THU1* 3.0 16.0 -.263e-02 43.1 6.00 1.48 TIDB* 7.0 .310 201. 28.7 5.61 3.70 TIXI 1.0 12.4 -.442e-01 42.0 5.00 2.15 TSKB* 7.0 1.22 -1.02 49.7 4.00 3.10 USNO 2.2 . . 45.0 5.00 3.69 WILL 1.0 5.72 46.4 29.0 4.00 2.74 WTZR* 7.0 341. 7.38 51.7 4.31 3.00 WUHN 2.7 37.9 -.964e-01 71.1 5.66 3.54 YAR1* 2.5 420. 1.05 59.1 4.00 1.84 YELL* 5.8 .113 .515 32.8 4.57 1.86 PRN01 6.7 4.52 161. 54.5 5.33 2.08 PRN02 6.9 3.06 -327. 58.1 5.00 2.20 PRN03 7.0 2.77 75.9 54.2 5.00 2.11 PRN04 7.0 1.23 652. 54.5 5.00 2.33 PRN05 7.0 3.19 282. 54.3 5.00 2.26 PRN06 7.0 7.84 -.264 50.7 5.15 2.18 PRN07 7.0 2.28 507. 58.3 5.00 2.11 PRN08 7.0 3.12 761. 56.2 5.00 2.11 PRN09 7.0 2.91 -27.0 51.9 5.00 2.11 PRN10 7.0 2.16 62.8 58.0 5.00 2.21 PRN11 7.0 .369 .902 57.0 5.16 2.09 PRN13 7.0 .259 .360e-01 60.9 5.59 2.09 PRN14 7.0 .411 -89.0 52.3 5.76 2.27 PRN17 7.0 4.30 -294. 57.9 5.15 2.47 PRN19 7.0 4.21 405. 57.0 5.15 2.09 PRN20 7.0 .360 -53.2 55.5 5.00 2.32 PRN21 6.9 .177e+04 18.5 52.2 5.16 2.23 PRN22 7.0 .941 509. 53.2 5.00 2.16 PRN23 7.0 6.07 6.27 50.9 5.16 2.40 PRN24 7.0 2.15 22.2 57.2 5.00 2.28 PRN25 7.0 2.22 10.8 52.1 5.00 2.28 PRN26 6.8 .849 257. 53.4 5.45 1.97 PRN27 7.0 3.59 8.52 56.9 4.88 2.09 PRN28 7.0 1.14 16.3 54.5 5.00 2.11 PRN29 6.7 1.17 378. 52.2 6.20 2.07 PRN30 7.0 1.55 -3.98 52.5 5.00 2.18 PRN31 7.0 3.90 26.7 56.6 5.00 2.09 _______________________ 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 1 14 01 1 15 01 1 16 01 1 17 01 1 18 01 1 19 01 1 20 prn 3d rss (cm) 1 679 1283 1338 1225 1012 702 1423 2 191 419 964 927 406 759 653 3 240 228 247 206 232 369 315 4 215 214 234 277 252 319 241 5 389 332 412 311 316 335 364 6 840 695 730 732 840 684 634 7 193 512 636 394 270 534 387 8 272 354 318 296 321 352 286 9 264 204 185 228 179 188 471 10 390 339 483 229 268 344 244 11 198 285 246 210 222 331 238 13 511 341 220 360 313 407 370 14 285 236 288 441 296 366 384 17 362 1314 734 198 293 288 274 19 328 428 950 1588 363 252 370 20 463 356 376 382 339 222 309 21 285 287 360 572 751 913 959 22 230 311 205 219 243 396 290 23 720 824 559 776 869 511 477 24 234 366 295 313 376 406 398 25 327 278 332 359 494 459 443 26 260 331 413 325 290 174 229 27 334 334 301 333 271 261 300 28 334 344 259 263 294 447 556 29 157 222 602 453 320 371 381 30 143 138 136 215 170 244 333 31 959 314 449 194 846 688 577 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic areq artu auck cas1 cic1 coco cord cro1 darw dav1 dgar drao eisl esti fair fort gala goug guam guat harv hrao iisc irkt jama karr kerg kit3 kokb kour kunm kwj1 lhas lpgs mac1 mag0 mali mana mas1 maw1 mcm4 mdo1 nklg nrc1 nril nyal ohig onsa pert pimo ramo rbay reyk riop sant sey1 stjo suth syog thti thu1 tidb tixi tskb usno will wtzr wuhn yar1 yell