Author: D C Jefferson ****************************************************************************** JPL ANALYSIS REPORT GPS-WEEK 0837 (DAYS 21-27, DATES 1996 Jan 21 - Jan 27) ****************************************************************************** Submitted by the JPL IGS/FLINN Analysis Team: J F Zumberge, D C Jefferson, M B Heflin, M M Watkins, F H Webb 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 (128.149.70.41), directory pub/jpligsac/0837. These files have also been sent to the CDDIS. ______________________________________________________________________________ filename contents ______________________________________________________________________________ jpl08377.sum This text file. jpl08377.erp Earth rotation parameters for GPS week 837. jpl08377.snx Ground station coordinates for GPS week 837, SINEX format. jpl0837[0-6].sp3 GPS ephemerides for GPS week 837, sp3 format. ______________________________________________________________________________ Mean Orbit Repeatability (see table below): 18.0 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 CHIL, MATE, OHIG, PERT, TROM, WETT excluded day 021. WARNING: Data from ANKR, KRAK, LAMA, MATE, METS, OHIG, PAMA, PVEP, WETT excluded day 022. WARNING: Data from ANKR, BOR1, KRAK, LAMA, MATE, OHIG, UPAD, WETT excluded day 023. WARNING: Data from ANKR, BOR1, KRAK, LAMA, MATE, MDVO excluded day 024. WARNING: Data from ANKR, BOR1, LAMA, MATE, MDVO, TROM excluded day 025. WARNING: Data from MATE, STJO excluded day 026. 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 837 (1996 Jan 21 - Jan 27) MJD XPole Ypole UT1R-UTC LODR Xsig Ysig UTsig LODsig Nr Nf Nt Xrt Yrt 10**-5" usec us/d 10**-5" us us/d 10**-5"/d 50103.50 -20797 25343 519134 1742 5 5 11 11 37 11 25 -133 346 50104.50 -20934 25689 517381 1763 4 5 11 11 37 12 25 -144 324 50105.50 -21074 26026 515663 1673 5 5 11 11 37 11 25 -140 316 50106.50 -21215 26380 513962 1730 5 5 12 12 37 13 25 -96 359 50107.50 -21294 26716 512242 1709 5 5 12 12 37 12 25 -77 358 50108.50 -21388 27079 510540 1696 5 5 12 12 37 11 25 -89 324 50109.50 -21482 27495 508806 1771 5 6 11 11 37 11 25 -100 379 END ERP TABLE The following table indicates the "3-dimensional orbit repeatability", as defined in IGS Mail Message 37, for GPS week 837: ["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)] JPL ORBIT REPEATABILITY TABLE GPS week 837 (1996 Jan 21 - Jan 27) 96 1 21 96 1 22 96 1 23 96 1 24 96 1 25 96 1 26 96 1 27 prn 3d rss (m) 1 0.10 0.12 0.08 0.12 0.16 0.17 0.12 2 0.13 0.16 0.17 0.23 0.18 0.15 0.20 4 0.12 0.14 0.09 0.11 0.14 0.08 0.13 5 0.14 0.18 0.09 0.10 0.16 0.19 0.11 6 0.31 0.09 0.09 0.11 0.13 0.13 0.26 7 0.10 0.12 0.12 0.15 0.09 0.09 0.14 9 0.10 0.11 0.12 0.10 0.15 0.09 0.09 12 0.2 0.18 0.16 0.09 0.30 0.26 0.20 14 0.09 0.15 0.24 0.62 0.36 0.18 0.18 15 0.23 0.30 0.28 0.26 0.14 0.34 0.40 16 0.20 0.14 0.15 0.14 0.12 0.15 0.18 17 0.09 0.06 0.09 0.14 0.15 0.17 0.15 18 0.08 0.10 0.23 0.33 0.24 0.23 0.24 19 0.21 0.18 0.21 0.14 0.20 0.26 0.28 20 0.14 0.28 0.15 0.24 0.17 0.19 0.09 21 0.14 0.15 0.10 0.15 0.20 0.20 0.17 22 0.39 0.14 0.13 0.23 0.29 0.28 0.31 23 0.20 0.10 0.30 0.29 0.21 0.39 0.46 24 0.16 0.17 0.16 0.15 0.17 0.21 0.21 25 0.24 0.12 0.14 0.22 0.12 0.20 0.34 26 0.20 0.19 0.11 0.08 0.15 0.15 0.33 27 0.17 0.14 0.10 0.14 0.14 0.11 0.08 28 0.11 0.20 0.10 0.19 0.18 0.19 0.19 29 0.19 0.13 0.16 0.23 0.20 0.20 0.18 31 0.23 0.22 0.19 0.26 0.22 0.27 0.35 _______________________ 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 837 (1996 Jan 21 - Jan 27) 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) | | | | | | | |___ |__ |_______ |_______ |___ |___ |__ ALBH 7.0 2.29 63.3 36.0 3.16 2.51 ALGO* 7.1 . . 39.7 3.91 2.82 AREQ 5.5 85.0 -.339 43.6 4.52 2.31 AUCK 1.0 79.7 -.294 37.0 5.00 2.84 BOR1 1.0 1.82 -1.55 35.0 4.00 3.15 BRUS 7.0 .281 2.49 58.9 3.87 2.55 CHAT 7.0 94.9 -.343 83.8 5.30 2.75 CRO1 7.0 132. -.343 41.2 6.47 2.19 FAI2 7.0 26.1 -.427 46.9 4.63 2.29 FAIR* 7.0 65.3 -.436 . 4.00 1.97 GODE 1.0 .338 .992 51.0 4.00 2.37 GOL2 6.9 64.0 -.191 49.8 4.20 2.69 GOLD* 6.9 1.38 -.520 . 3.68 1.93 GRAS 1.0 73.4 -.389 63.0 10.0 2.82 GUAM 5.9 94.8 -.332 49.3 7.55 2.47 HART* 6.9 32.2 -10.7 . 7.59 1.77 HARV 4.0 .857e+07 .146e+05 69.9 6.05 2.55 IISC 7.0 71.6 -.336 64.9 4.87 2.14 IRKT 4.9 .635 -.104 47.2 4.81 2.63 KERG 7.0 189. -582. . 5.73 2.57 KIRU 1.0 3.61 11.8 55.0 8.00 2.06 KIT3 4.8 112. -.337 61.2 4.45 2.72 KOKB* 6.7 1.66 .192 50.5 6.18 2.49 KOSG* 4.9 1.78 194. . 3.00 2.25 LPGS 5.8 830. -.377 60.7 5.60 2.90 MADR* 5.6 1.11 -1.41 . 4.39 2.15 MCM4 3.0 86.6 -.364 45.7 5.00 1.71 METS 4.8 .255 -6.04 33.2 3.00 2.20 NLIB 7.0 .115 -.803 34.0 3.16 2.58 NOTO 6.0 .138 -2.71 40.2 4.36 2.79 OHIG 3.2 .637e+05 -4.96 59.4 6.35 1.05 ONSA 2.0 .130 -1.37 37.0 3.00 1.68 PAMA 3.3 .273e+04 -.171 . 11.0 1.65 PERT 6.0 2.48 -4.13 49.2 4.19 3.26 PIE1 6.9 .173 -.927 35.5 4.16 2.57 SANT* 7.0 .413 .212 . 5.16 2.63 SHAO 7.0 83.0 -.337 41.9 3.87 2.36 STJO 5.8 3.38 1.75 39.6 4.71 2.65 THU1 5.9 69.1 -.332 45.5 5.03 2.74 TID2 5.7 150. .532 41.2 4.55 2.96 TIDB* 6.9 .160 1.15 . 4.59 2.66 TROM* 3.0 2.77 12.7 . 4.68 1.63 USUD 7.0 2.10 .832e-01 35.3 4.31 2.58 VILL 6.0 2.90 -2.23 63.6 4.00 2.56 WETT* 4.0 2.39 2.93 . 6.82 1.39 YAR1* 7.0 .110e+07 322. . 4.47 2.53 YELL* 7.0 .133 -1.25 40.5 3.87 2.09 ZWEN 1.9 .410e+05 .651 54.0 4.50 2.05 PRN01 7.0 83.7 538. 47.9 5.00 2.45 PRN02 7.0 82.3 -227. 51.4 4.73 2.41 PRN04 7.0 80.5 7.40 47.3 5.15 2.18 PRN05 7.0 79.5 20.7 49.4 4.73 2.41 PRN06 7.0 79.3 5.18 47.4 4.31 2.56 PRN07 6.8 81.6 714. 51.0 5.00 2.03 PRN09 7.0 81.9 -9.41 51.8 5.15 1.93 PRN12 7.0 15.9 -222. 51.7 4.46 2.77 PRN14 6.5 81.6 12.1 50.4 5.15 2.21 PRN15 6.9 3.14 264. 52.5 4.88 2.13 PRN16 6.7 79.8 -170. 53.8 5.19 2.14 PRN17 7.0 83.6 -105. 48.9 4.73 2.69 PRN18 7.0 80.2 -6.34 50.4 4.87 2.52 PRN19 6.8 169. 330. 45.0 4.75 2.49 PRN20 7.0 79.1 1.14 49.6 4.16 2.57 PRN21 6.6 80.5 -13.0 50.7 5.30 2.33 PRN22 7.0 81.8 280. 48.7 5.00 2.21 PRN23 6.6 82.5 5.87 46.2 5.31 2.12 PRN24 7.0 81.8 179. 49.9 5.16 2.21 PRN25 7.0 81.2 -.890 47.5 5.15 2.34 PRN26 7.0 81.5 -141. 48.6 5.14 2.24 PRN27 6.9 82.6 16.3 43.0 4.61 2.47 PRN28 7.0 2.45 61.1 56.1 4.46 2.77 PRN29 7.0 81.4 5.39 44.2 4.60 2.34 PRN31 7.0 78.1 256. 48.7 5.15 2.64 _______________________ 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 96 1 21 96 1 22 96 1 23 96 1 24 96 1 25 96 1 26 96 1 27 prn 3d rss (m) 1 3.3 4.7 4.1 3.3 3.2 3.8 2.7 2 6.0 6.5 7.6 7.8 7.3 7.0 6.3 4 5.9 3.9 3.5 4.0 3.9 3.3 2.9 5 6.1 5.6 6.6 8.1 7.8 7.6 6.2 6 4.9 4.9 5.2 6.2 6.3 6.2 6.0 7 5.1 3.6 4.1 3.9 4.3 4.6 6.3 9 6.8 5.0 6.7 3.2 4.6 5.3 4.9 12 2.2 2.6 3.4 5.17 4.6 3.5 2.1 14 5.4 4.2 5.0 4.4 4.7 4.8 5.6 15 4.9 5.2 5.2 4.7 3.9 4.7 3.9 16 7.2 5.5 5.7 4.1 4.1 4.3 2.7 17 4.4 4.2 4.2 4.5 5.0 4.4 4.5 18 2.9 3.1 2.8 4.0 3.8 3.9 4.1 19 7.1 7.2 6.1 7.0 6.0 5.5 6.4 20 5.9 5.5 5.6 5.3 5.1 6.6 5.6 21 6.3 10.2 11.4 8.5 6.9 7.2 8.1 22 5.8 5.9 4.5 9.2 4.6 4.5 4.5 23 5.6 9.5 18.0 15.0 13.5 19.7 23.9 24 3.8 3.3 3.5 3.1 3.3 3.3 3.3 25 5.7 4.5 5.5 6.5 5.6 5.4 5.9 26 2.6 3.9 3.8 3.3 3.4 3.6 2.6 27 4.9 6.0 6.0 4.3 5.9 5.9 6.1 28 3.4 3.1 3.5 3.9 3.6 4.9 5.1 29 3.2 2.9 2.7 2.5 2.5 2.8 3.5 31 2.6 2.8 2.2 2.3 2.3 2.9 3.2 _______________________ END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES