Date: Tue, 31 Jul 2001 16:38:31 -0700 (PDT) From: David C Jefferson Message-Id: <200107312338.QAA17761@bierman.jpl.nasa.gov> To: eisop@obspm.fr, igsreport@igscb.jpl.nasa.gov Subject: [IGSREPORT-8480] Wk 1123 JPL Analysis Report Sender: owner-igsreport Precedence: bulk ****************************************************************************** IGS Electronic Report 31 Jul 16:38:32 PDT 2001 Message Number 8480 ****************************************************************************** Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 1123 (DAYS 196-202, DATES 2001 Jul 15 - Jul 21) ****************************************************************************** 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/1123. These files (except for *.tro) have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl11237.sum This text file. jpl11237.erp Earth rotation parameters for GPS week 1123. jpl11237.snx Ground station coordinates for GPS week 1123, SINEX format. jpl1123[0-6].sp3 GPS ephemerides for GPS week 1123, sp3 format. jpl1123[0-6].tro Ground station troposphere estimates for GPS week 1123. jpl1123[0-6].clk GPS and ground station clocks for GPS week 1123, RINEX. ______________________________________________________________________________ Median Orbit Repeatability (see table below): 6.0 cm This week, we add four 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) FREE (Freeport, The Bahamas) 1088671.2700 -5596851.5412 2848798.3908 MBAR (Mbarara, Uganda) 5482951.4173 3260442.5106 -66519.9791 PTBB (Braunschweig, Germany) 3844060.1020 709661.2669 5023129.6013 UNB1 (Fredericton, Canada) 1761288.2442 -4078238.6044 4561417.8235 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 PRN17, PRN24 excluded day 196. WARNING: Data from PRN31 excluded day 200. WARNING: Data from PRN24 excluded day 201. WARNING: Data from ANKR, EPRT, HARB, HNPT, LBCH, MEDI, SUWN, WLSN excluded day 196. WARNING: Data from BRUS, KOUR, LBCH, PETP, RABT, SUWN, WLSN excluded day 197. WARNING: Data from BRUS, GUAT, HARB, HARV, IISC, IRKT, KWJ1, LBCH, PETP, SPK1, WLSN, WTZT excluded day 198. WARNING: Data from BRUS, GUAT, HARB, HILO, PETP, SPK1, WLSN, WTZT excluded day 199. WARNING: Data from HARB, HILO, KELY, SPK1, WTZT excluded day 200. WARNING: Data from CAGL, ESTI, HARB, HILO, LAE1, WLSN, YAR1 excluded day 201. WARNING: Data from CAGL, HARB, HILO, LAE1, LBCH, WLSN excluded day 202. JPL REFERENCE CLOCK TABLE GPS week 1123 (2001 Jul 15 - Jul 21) 2001-07-15 USNO 2001-07-16 NRC1 2001-07-17 NRC1 2001-07-18 NRC1 2001-07-19 NRC1 2001-07-20 NRC1 2001-07-21 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 1123 (2001 Jul 15 - Jul 21) 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 52105.50 248969 264215 -457764 -1071 32 36 140 140 42 0 26 -742 -3424 52106.50 248184 260830 -456567 -1324 31 35 136 136 42 0 28 -452 -3468 52107.50 247973 257547 -455071 -1667 31 36 135 135 42 0 28 249 -3190 52108.50 247998 254392 -453225 -2026 29 35 133 133 42 0 28 -4 -3303 52109.50 247853 251330 -450940 -2544 29 36 133 133 42 0 27 -305 -2882 52110.50 247410 248274 -447883 -3569 30 38 138 138 42 0 27 -754 -3071 52111.50 246803 245208 -444048 -4102 29 33 130 130 42 0 28 -863 -3125 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 1123: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 1123 (2001 Jul 15 - Jul 21) 01 7 15 01 7 16 01 7 17 01 7 18 01 7 19 01 7 20 01 7 21 prn 3d rss (cm) 1 4 6 5 6 7 5 4 2 6 5 4 4 4 5 5 3 10 6 10 7 10 14 12 4 6 7 6 6 4 4 14 5 2 3 3 4 3 4 4 6 5 8 6 6 5 4 6 7 6 7 5 5 3 5 5 8 7 5 6 6 7 7 7 9 5 5 6 9 6 5 5 10 5 8 5 6 5 6 5 11 13 6 9 8 24 29 10 13 5 4 6 14 6 7 7 14 8 13 6 9 9 5 9 17 12 9 13 10 11 8 18 6 7 8 6 7 4 4 19 8 9 13 11 26 16 16 20 7 6 4 7 8 4 22 21 7 9 8 8 5 6 13 22 6 5 5 5 10 6 5 23 13 21 10 11 26 22 20 24 5 6 6 5 3 25 4 4 6 5 10 5 5 26 7 7 8 7 6 7 4 27 6 5 6 5 7 7 10 28 6 6 6 6 9 7 8 29 10 7 8 7 8 9 15 30 2 2 2 4 4 3 3 31 11 9 5 8 5 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 1123 (2001 Jul 15 - Jul 21) receiver/transmitter (* 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 0.116 0.870 39.7 4.16 3.59 AREQ 2.0 26.7 91.9 26.0 4.00 3.41 ARTU 5.0 11.0 -0.818e-01 36.2 5.00 2.57 AUCK* 5.9 16.8 -0.916e-04 40.7 5.03 2.90 BAHR* 4.8 0.515 764. 33.9 5.00 3.68 CHAT* 1.0 25.4 -0.661e-02 58.0 5.00 2.85 CIC1 5.9 42.9 -0.371e-02 43.2 4.00 3.10 COCO 1.8 29.1 -0.118 39.6 5.52 2.95 CRO1 7.0 0.143 737. 37.7 5.00 3.58 DARW 1.0 25.3 -0.534e-02 45.0 5.00 3.89 DAV1* 7.0 17.8 -0.579e-02 29.4 4.00 1.28 EISL 5.6 0.204e+05 -0.570e-01 55.0 5.20 2.56 FAIR* 7.0 1.14 0.902 37.4 4.47 1.00 FORT* 7.0 1.98 0.882e-01 78.6 5.46 1.78 GALA 4.7 25.0 -0.765e-01 35.7 4.43 3.14 GUAM* 7.0 18.4 -0.109 57.9 6.88 3.61 HARB 0.7 0.503e+07 0.578e+04 51.0 4.00 1.75 HNLC 1.0 30.1 -0.113 40.0 6.00 3.70 HOB2* 4.0 0.127 -4.94 49.4 5.04 3.71 HRAO 4.9 20.1 -0.682e-01 74.9 4.23 3.78 INEG 1.0 0.289e+06 6.89 59.0 5.00 0.841 IRKT* 5.5 0.218 -0.696 59.6 5.00 2.53 JAB1 4.9 16.5 -0.848e-01 39.2 5.00 3.31 JPLM 1.0 42.3 246. 43.0 4.00 2.60 KELY 3.9 67.4 -0.497e-02 38.0 5.00 1.72 KERG* 7.0 1.83 20.1 48.5 5.00 2.60 KOKB* 5.7 1.09 0.916 39.1 5.33 1.12 KOUR* 1.0 21.0 -0.787e-01 43.0 6.00 4.51 KUNM 2.0 48.4 -0.136e-01 72.5 6.00 2.50 KWJ1* 3.2 0.107e+07 8.19 41.7 5.77 0.872 LAE1 0.8 14.3 -0.124 60.0 7.00 4.05 LHAS* 4.8 40.4 -0.728e-02 33.8 4.81 3.54 MAC1* 5.8 13.9 -0.230e-02 31.0 3.18 2.38 MAG0 5.0 11.6 -0.826e-01 44.8 5.00 2.65 MALI* 5.0 54.5 332. 69.5 7.00 2.00 MAS1* 6.0 2.27 59.3 43.2 4.00 3.05 MBAR 0.9 30.0 -0.964e-01 31.0 6.00 2.58 MCM4* 6.9 0.476e+04 38.1 45.2 4.86 1.10 MSKU 3.0 30.5 -0.895e-01 36.5 5.36 3.11 NICO 2.0 15.8 -0.148e-02 25.5 5.00 3.82 NKLG 4.0 0.300e+06 473. 69.3 6.00 1.62 NOT1 1.0 0.937e-01 991. 72.0 7.00 2.00 NOUM 1.0 0.290e+06 491. 51.0 6.00 1.76 NRC1 6.9 . . 47.3 4.69 3.54 NRIL 4.0 0.356e+04 0.801e-02 39.0 5.54 2.36 NTUS 4.9 6.89 -0.928e-02 59.8 6.62 3.97 NYA1 4.0 0.121 0.688 32.0 4.00 1.76 NYAL* 3.0 0.141 0.228 51.0 4.36 1.60 OHIG* 3.0 19.7 -0.443e-02 41.3 4.10 2.34 ONSA* 7.0 0.462 319. 43.1 4.59 2.60 PERT* 1.0 13.2 -0.657e-01 58.0 5.00 2.99 PETP 1.0 13.3 -0.627e-01 50.0 6.00 2.96 PIMO 5.9 22.0 -0.119e-01 50.6 4.70 1.02 RAMO 1.0 20.6 -0.862e-01 73.0 7.00 3.38 REYK 1.0 10.5 0.109e-01 54.0 6.00 2.13 RIOG 3.5 11.3 -0.666e-01 31.4 4.00 2.48 SANT* 6.9 17.5 -0.750e-01 21.7 5.00 0.897 SELE 5.0 37.1 -0.998e-02 45.7 4.21 3.47 SEY1 1.8 41.3 -0.594e-02 77.9 6.00 1.75 SHAO* 1.0 23.8 0.124e-01 70.0 6.00 2.53 SLOR 1.8 0.288e+06 504. 62.8 6.00 1.81 THTI 7.0 0.971e+05 232. 81.5 5.73 2.16 TIDB* 7.0 0.136 318. 27.4 5.45 3.71 TIXI 1.0 9.64 -0.679e-01 41.0 5.00 2.51 TLSE 1.0 0.624 -2.20 85.0 5.00 2.21 TSKB* 3.8 1.47 -1.53 53.3 5.27 3.02 USNO 1.1 . . 42.0 5.00 3.99 USUD 5.0 0.247 415. 31.2 6.61 3.48 WHIT 2.0 11.5 -42.9 37.2 4.00 2.55 WTZR* 7.0 1.23 -0.126 45.6 4.87 2.91 WUHN 1.0 21.1 -0.913e-01 64.0 6.00 3.37 YAKT 1.0 0.537 834. 25.0 4.00 0.817 YAR1* 3.5 821. -0.347 68.0 3.38 1.86 YAR2 3.0 5.66 -0.116e+05 23.7 3.69 3.42 YEBE 1.0 0.399 1.94 44.0 5.00 1.87 YELL* 7.0 0.128 0.375 42.6 4.88 1.85 ZECK 1.0 32.1 -0.123e-01 32.0 5.00 3.79 PRN01 6.8 3.72 186. 45.4 5.00 2.09 PRN02 7.0 3.03 -45.7 48.0 5.00 2.25 PRN03 7.0 2.25 48.6 46.7 5.00 2.18 PRN04 7.0 0.778 645. 50.2 5.33 2.31 PRN05 7.0 2.85 306. 45.8 5.00 2.38 PRN06 7.0 9.31 -2.03 47.3 5.00 2.18 PRN07 7.0 1.57 477. 47.9 5.00 2.39 PRN08 7.0 2.93 412. 47.9 5.00 2.15 PRN09 7.0 2.24 -54.3 44.7 5.00 2.11 PRN10 7.0 2.79 7.13 51.8 5.00 2.24 PRN11 7.0 0.522 2.93 47.2 5.16 2.10 PRN13 7.0 0.400 -3.36 50.6 5.45 2.12 PRN14 7.0 0.355 -118. 47.6 5.15 2.31 PRN17 6.0 4.84 265. 49.2 5.00 2.11 PRN18 7.0 0.618 -73.8 46.6 5.00 2.22 PRN19 7.0 4.71 602. 44.4 4.46 1.95 PRN20 7.0 0.282 -84.5 47.3 5.16 2.25 PRN21 7.0 3.74 4.33 47.9 5.00 2.21 PRN22 7.0 1.51 583. 49.6 5.00 2.08 PRN23 7.0 5.77 16.6 47.2 5.00 2.12 PRN24 5.0 2.16 66.1 48.2 5.00 2.33 PRN25 7.0 2.09 15.5 46.5 5.00 2.33 PRN26 6.6 0.658 542. 49.3 5.16 1.93 PRN27 7.0 4.17 27.4 48.4 5.00 2.15 PRN28 7.0 0.794 -5.25 48.9 5.00 2.18 PRN29 6.7 0.813 619. 46.9 5.16 2.25 PRN30 7.0 1.44 -28.0 44.9 5.00 2.30 PRN31 6.0 4.08 53.9 48.2 5.00 2.06 _______________________ 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 7 15 01 7 16 01 7 17 01 7 18 01 7 19 01 7 20 01 7 21 prn 3d rss (cm) 1 657 690 724 801 732 675 644 2 444 185 249 400 195 191 254 3 328 365 234 208 278 300 235 4 200 214 291 278 352 373 209 5 505 257 288 238 449 568 314 6 572 582 489 529 625 700 804 7 429 286 242 276 324 478 436 8 290 283 315 381 376 285 258 9 212 208 211 238 209 200 218 10 268 264 628 231 207 320 368 11 387 516 504 529 427 210 220 13 248 294 321 256 344 399 322 14 185 183 258 200 228 236 265 17 305 469 318 509 396 279 18 217 332 559 183 194 229 454 19 654 487 263 362 273 568 1244 20 328 347 184 189 239 384 449 21 722 724 583 484 411 338 719 22 246 168 194 377 491 391 298 23 677 475 928 428 454 514 760 24 409 551 807 523 1103 25 250 464 314 275 229 376 336 26 594 304 164 199 336 252 244 27 294 248 224 287 222 311 316 28 261 415 391 226 195 302 274 29 170 178 174 311 203 289 188 30 388 223 129 140 296 219 167 31 490 489 321 298 377 438 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES global: algo areq artu auck bahr chat cic1 coco cro1 darw dav1 eisl fair fort gala guam harb hnlc hob2 hrao ineg irkt jab1 jplm kely kerg kokb kour kunm kwj1 lae1 lhas mac1 mag0 mali mas1 mbar mcm4 msku nico nklg not1 noum nrc1 nril ntus nya1 nyal ohig onsa pert petp pimo ramo reyk riog sant sele sey1 shao slor thti tidb tixi tlse tskb usno usud whit wtzr wuhn yakt yar1 yar2 yebe yell zeck