Date: Fri, 6 Apr 2001 13:32:44 -0700 (PDT) From: David C Jefferson Message-Id: <200104062032.NAA28310@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-8151] Wk 1107 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 06 Apr 13:32:45 PDT 2001 Message Number 8151 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1107 (DAYS 84-90, DATES 2001 Mar 25 - Mar 31) ****************************************************************************** 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/1107. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl11077.sum This text file. jpl11077.erp Earth rotation parameters for GPS week 1107. jpl11077.snx Ground station coordinates for GPS week 1107, SINEX format. jpl1107[0-6].sp3 GPS ephemerides for GPS week 1107, sp3 format. jpl1107[0-6].tro Ground station troposphere estimates for GPS week 1107. jpl1107[0-6].clk GPS and ground station clocks for GPS week 1107, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 8.0 cm A clock discontinuity (reset) of about 3.3 microseconds was detected for PRN04 at approximately 16:45 on day 085. 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 FORT, GOLD, GRAZ, LBCH, MANA, THTI excluded day 084. WARNING: Data from ASC1, FORT, GUAT, LBCH, MANA, THTI, WUHN excluded day 085. WARNING: Data from GALA, HNPT, LBCH, MANA, NKLG, THTI, VENE, WUHN excluded day 086. WARNING: Data from ESTI, FORT, GRAZ, MANA, NKLG, PETP, REYK, SSIA, WUHN excluded day 087. WARNING: Data from FORT, IISC, KUNM, LBCH, NYAL, PETP, WUHN excluded day 088. WARNING: Data from GRAZ, LBCH, MAG0, MEDI, PETP, SEY1, WUHN excluded day 089. WARNING: Data from BJFS, CARR, GRAZ, HARV, LBCH, PETP, THU1 excluded day 090. JPL REFERENCE CLOCK TABLE GPS week 1107 (2001 Mar 25 - Mar 31) 2001-03-25 NRC1 2001-03-26 NRC1 2001-03-27 USNO 2001-03-28 USNO 2001-03-29 USNO 2001-03-30 USNO 2001-03-31 PIE1 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 1107 (2001 Mar 25 - Mar 31) 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 51993.50 74946 490829 127724 8472 38 50 181 181 42 0 27 3065 290 51994.50 77896 491081 118955 9066 40 50 182 182 42 0 27 2722 338 51995.50 80523 491244 109755 9333 41 51 185 185 42 0 26 2376 194 51996.50 82953 491210 100245 9687 40 49 184 184 42 0 26 2318 16 51997.50 85216 491201 90450 9904 38 48 178 178 42 0 27 1960 -487 51998.50 87421 490637 80644 9707 39 49 181 181 42 0 27 2299 -576 51999.50 89636 490166 71026 9529 45 61 191 191 42 0 27 1819 -619 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1107: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1107 (2001 Mar 25 - Mar 31) 01 3 25 01 3 26 01 3 27 01 3 28 01 3 29 01 3 30 01 3 31 prn 3d rss (cm) 1 5 5 10 9 11 8 9 2 7 7 6 8 8 6 6 3 6 5 4 6 7 7 10 4 5 5 5 12 4 6 7 5 8 4 20 12 13 17 15 6 11 8 13 10 9 13 16 7 5 5 5 11 8 13 12 8 9 6 11 10 9 4 6 9 9 17 21 13 12 14 7 10 7 3 4 10 8 5 7 11 9 5 8 10 7 9 8 13 7 4 6 8 5 8 6 14 8 8 9 19 15 12 16 17 10 11 27 11 13 23 19 5 6 8 15 9 13 14 20 5 8 10 5 7 7 10 21 19 18 13 12 13 12 8 22 8 7 6 9 10 9 10 23 12 7 11 10 12 14 11 24 5 4 7 12 5 7 9 25 6 10 8 12 7 6 9 26 8 8 6 7 6 7 6 27 6 6 7 12 8 5 7 28 7 11 10 7 8 7 29 6 8 11 16 11 9 9 30 8 4 7 10 12 10 14 31 5 4 6 6 12 9 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 1107 (2001 Mar 25 - Mar 31) 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* 6.9 186. -.265 36.6 4.00 2.78 ALIC 3.0 93.9 -.234e-01 58.4 5.00 3.57 AREQ* 4.8 .200e+05 107. 25.4 4.62 2.38 ARTU 6.7 29.0 -.978e-01 36.6 4.00 2.56 ASC1 .5 .603e+04 -.382 . 6.00 3.18 AUCK* 5.0 33.2 -.810e-02 66.0 4.40 3.04 BAHR* 5.8 .585 763. 31.8 4.37 3.69 BILI 2.8 15.5 -.103 41.4 5.00 1.64 CAS1* 3.0 14.1 -.676e-02 27.7 4.00 .928 CHAT* 2.0 89.7 -.207e-02 81.5 5.53 2.51 CIC1 4.9 92.1 -.161e-01 67.1 3.24 2.63 COCO 7.0 16.2 -.595e-02 26.5 7.12 3.82 CRO1 1.9 63.9 -.126 40.5 5.51 3.64 DARW .9 26.4 -.136e-01 48.0 8.00 3.17 DAV1* 3.7 17.1 -.107e-01 30.9 3.82 1.14 DGAR 6.8 45.5 -.147e-01 33.8 7.46 2.67 EISL 4.5 81.7 -.403e-01 84.0 4.63 2.49 ESTI 1.7 .289e+06 500. 97.8 6.00 1.45 FAIR* 6.7 160. .396 24.4 3.35 .813 FORT* .7 451. 1.32 . 6.00 1.60 GALA 2.0 59.4 -.146 23.5 5.00 2.76 GUAM* 7.0 43.9 -.181 49.9 6.72 3.13 GUAT 2.0 .289e+06 492. 97.5 5.00 1.30 HOB2* 3.0 336. -1.37 47.3 5.35 3.18 HRAO 4.0 .290e+06 507. 76.2 4.53 3.82 IISC .6 55.0 -.352e-01 . 5.00 1.69 IRKT* 6.7 1.78 .473e-01 70.3 4.00 2.50 JAMA 1.9 42.9 -.118 42.5 5.00 2.92 JPLM 1.0 45.6 18.0 79.0 3.00 2.90 KELY 2.9 15.7 -.517e-02 79.6 6.00 1.28 KERG* 6.9 .288e+06 503. 50.6 5.92 2.24 KOKB* 6.7 1.63 .201e-01 48.1 4.36 1.09 KOUR* 2.6 3.96 436. 42.7 7.00 3.32 KWJ1* 5.9 92.5 -.278e-01 40.3 5.15 .960 LHAS* 3.7 12.1 -.445e-03 33.5 4.48 3.62 LPGS 6.7 205. -.239e-01 40.8 4.33 2.88 MAC1* 5.7 .242e+04 .628 41.2 3.88 1.74 MAD2 1.0 .118e+04 -2.08 42.0 5.00 2.03 MAG0 2.0 16.6 -.969e-01 41.0 4.53 2.73 MAS1* 2.9 3.39 59.3 42.7 4.00 2.82 MATE* 1.0 .144 249. 61.0 5.00 2.64 MAW1 2.9 32.6 -.620e-02 36.9 4.00 1.07 MCM4* 1.9 28.3 43.7 64.0 5.51 .910 MKEA 2.0 50.7 -.170 26.5 5.52 3.52 NICO 1.8 44.5 -.164e-01 24.0 4.00 3.60 NKLG 5.0 .279e+06 496. 75.4 7.43 1.67 NOUM .9 .289e+06 498. 86.0 7.00 1.83 NRC1 2.1 . . 44.0 3.00 3.57 NRIL 4.9 .231e+05 .423 37.6 4.00 1.57 NSSP 1.0 53.5 -.416e-01 80.0 4.00 2.60 NYA1 4.0 .132 .224 31.0 3.55 1.12 NYAL* 3.0 14.7 .376e-01 49.4 4.00 1.19 OHIG* 7.0 19.3 -.280e-02 48.2 4.16 2.38 ONSA* 7.0 .171 325. 45.6 4.00 2.36 PIE1* .8 . . 70.0 4.00 2.48 PIMO .7 31.7 -.235e-01 . 3.00 .669 REYK 3.9 10.0 -.577e-02 56.5 6.00 1.43 SANT* 6.9 9.67 763. . 5.00 1.82 SELE 4.5 65.8 -.378e-01 84.6 3.41 2.62 SFER 3.0 .557 26.8 65.7 4.00 2.62 SSIA .8 .125e+07 456. 99.0 6.00 1.27 STJO 2.0 2.89 -.243 26.5 4.00 3.34 SUTH 3.0 32.6 -.529e-02 67.8 4.00 2.21 THTI 4.0 5.20 153. 77.9 6.24 2.20 TIDB* 7.0 .224 819. 24.9 5.41 3.36 TIXI 1.0 16.5 -.115 43.0 4.00 1.77 TSKB* 3.9 .572e+07 -567. 66.9 3.30 2.53 USNO 4.2 . . 44.3 5.00 3.49 USUD 5.0 .296 414. 32.0 5.22 3.55 WES2* 1.0 .411 .888 71.0 6.00 1.79 WHIT 4.0 44.6 3.48 31.9 3.80 1.65 WTZR* 7.0 182. -.774 54.0 4.16 3.03 WUHN 1.9 49.9 -.163 89.4 6.00 3.14 YAKT 1.0 .408 449. 28.0 4.00 2.09 YAR1* 6.4 498. -.568 98.8 3.00 2.02 YAR2 4.0 21.9 -1.31 22.0 3.59 3.22 YELL* 6.9 .336 .795 39.2 3.89 1.42 PRN01 7.0 3.23 170. 45.7 5.00 2.32 PRN02 7.0 3.27 -359. 52.3 4.88 2.14 PRN03 7.0 2.51 15.4 46.9 5.00 1.98 PRN04 6.9 290. 699. 51.1 5.00 1.95 PRN05 7.0 3.53 293. 54.0 5.00 2.04 PRN06 7.0 6.46 -.319 51.8 5.34 2.01 PRN07 7.0 1.76 583. 54.2 5.00 2.14 PRN08 7.0 2.57 46.7 49.6 5.00 2.14 PRN09 7.0 2.46 -37.5 50.2 5.00 2.03 PRN10 7.0 1.88 1.61 53.2 4.73 2.07 PRN11 7.0 .639 1.55 52.3 5.00 2.13 PRN13 7.0 .350 -.790 52.9 5.00 2.23 PRN14 7.0 .302 -97.5 53.0 5.00 2.02 PRN17 6.0 3.94 -305. 52.1 5.37 1.85 PRN19 7.0 4.12 478. 46.6 5.00 2.10 PRN20 7.0 .289 -62.0 53.7 5.00 2.23 PRN21 7.0 3.04 1.92 49.0 5.00 2.03 PRN22 7.0 2.22 569. 47.9 5.00 2.08 PRN23 7.0 6.06 10.2 53.0 5.16 1.93 PRN24 7.0 1.91 38.9 52.5 5.00 2.18 PRN25 7.0 2.75 12.4 48.9 5.00 2.07 PRN26 7.0 .853 402. 49.8 4.88 2.18 PRN27 7.0 4.42 15.7 48.8 4.87 2.14 PRN28 6.0 1.21 13.3 51.5 5.00 2.17 PRN29 7.0 .813 493. 51.6 5.00 2.05 PRN30 7.0 2.16 -13.3 53.3 5.03 1.98 PRN31 7.0 3.78 36.7 48.0 5.00 2.20 _______________________ 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 3 25 01 3 26 01 3 27 01 3 28 01 3 29 01 3 30 01 3 31 prn 3d rss (cm) 1 431 333 383 483 421 590 370 2 223 487 476 344 295 214 460 3 344 264 220 349 389 318 492 4 496 561 664 480 405 473 543 5 395 341 409 388 393 504 436 6 615 522 596 492 622 519 737 7 308 340 559 596 299 435 334 8 493 550 457 738 425 568 396 9 278 289 300 344 301 381 256 10 356 514 513 314 277 615 312 11 461 344 614 434 254 285 294 13 306 298 260 281 377 332 313 14 256 350 260 427 543 317 285 17 1104 1502 1148 1572 1497 1705 19 319 481 351 615 530 147 629 20 189 470 484 194 623 373 451 21 1513 1244 273 304 949 841 1213 22 197 188 250 215 285 225 251 23 591 617 1071 209 825 584 518 24 376 260 213 502 594 363 319 25 412 312 362 320 338 331 348 26 163 299 446 529 533 562 550 27 406 367 466 559 245 279 530 28 375 359 1326 450 345 318 29 400 356 381 284 333 335 327 30 180 185 218 239 208 207 235 31 322 469 248 378 461 346 333 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo alic areq artu asc1 auck bahr bili cas1 chat cic1 coco cro1 darw dav1 dgar eisl esti fair fort gala guam guat hob2 hrao iisc irkt jama jplm kely kerg kokb kour kwj1 lhas lpgs mac1 mad2 mag0 mas1 mate maw1 mcm4 mkea nico nklg noum nrc1 nril nssp nya1 nyal ohig onsa pie1 pimo reyk sant sele sfer ssia stjo suth thti tidb tixi tskb usno usud wes2 whit wtzr wuhn yakt yar1 yar2 yell