Author: AC Coordinator / AIUB/CODE Ultra Rapid IGS Orbit Comparison - Week 1177 Day: 0 Hour: 00 (Jul 28, 2002) Contacts: R. Weber (rweber@luna.tuwien.ac.at), H. Bock (bock@aiub.unibe.ch), R. Dach (dach@aiub.unibe.ch) COMBINATION STRATEGY: For a complete description of the combination strategy along with all tables and statistics, please refer to the IGS Final Combination reports posted on CDDIS within 13 days after the end of the GPS week. REMARKS on IGS Ultra Rapid Orbit Comparison: 1. The following Ultra-rapid orbits were excluded from the combination but kept for statistics: -> Centre: COU EMU ESU GFU JPU SIU USU IGU _______________________________________________________________________________ Table 1: Daily transformation of each centre to the combined IGS Rapid orbit and clocks (IGR). WRMS - RMS weighted by the centres SP3 header accuracy codes. STA - Number of stations in the daily solutions. Units: meters, mas, ppb, nano-sec, nano-sec/day. Table 1.1177.0 GPS week: 1177 Day: 0 MJD: 52483.0 CENT STA| DX DY DZ RX RY RZ SCL RMS WRMS | TOFT TDRFT RMS --------|------------------------------------------------|--------------------- brd n/a|0.00 0.22 0.42 -6.01 -2.36 3.71 -1.9 1.92 1.92 | 0.3 -3.7 6.73 cou n/a|0.00-0.01 0.02 1.41 0.21 1.23 -0.5 4.47 0.13 | -0.3 -5.3 21.10 emu n/a|-.02 0.01 0.03 0.01 -0.44 0.48 -0.2 0.87 0.12 | 0.0 0.0 0.00 esu n/a|-.02 0.00-0.04 0.16 0.61 -0.32 0.0 1.26 0.19 | 1014.2 8.8 6.99 gfu n/a|0.00 0.04 0.03 0.16 -0.45 -0.41 -0.3 0.24 0.14 | -1.8 -2.7 7.70 jpu n/a|-.02-0.01 0.02 -1.28 1.13 -0.40 -1.2 0.26 0.28 | 0.0 0.0 0.00 siu n/a|0.01-0.01-0.01 0.31 -0.99 1.50 0.2 0.12 0.13 | 0.0 0.0 0.00 usu n/a|-.04 0.00 0.02 0.11 -0.85 0.97 0.5 0.18 0.15 |-1044.0 -39.2 0.35 igu n/a|-.02 0.01 0.01 0.03 -0.45 0.35 0.0 0.11 0.09 | -3.6 9.4 12.44 igr n/a|0.00 0.00 0.00 0.00 0.00 0.00 0.0 0.00 0.00 | -27.4 -9.9 0.00 Table 2: Daily fit for each satellite and each centre resulting from the comparison of the individual solutions to the IGS Rapid solution. The "igr" and "IGR" columns are zero since all centres are compared to the "igr" solution. Eclipsing satellites are flagged with and "E" beside the PRN number. "MEDI" stands for median of the centre's satellite RMS. Units: cm. Table 2.1177.0 GPS week: 1177 Day: 0 MJD: 52483.0 Weighted Average PRN | brd cou emu esu gfu jpu siu usu igu igr IGR | ------|----------------------------------------------| 1 | 318 7 5 9 4 12 5 5 3 0 0 | 2 | 194 --- 8 --- 9 --- 8 27 9 0 0 | 3 | 100 13 6 15 8 25 5 9 5 0 0 | 4 | 174 29 24 23 --- 19 8 30 19 0 0 | 5 | 297 17 12 25 11 24 22 12 15 0 0 | 6 | 308 9 32 11 20 38 9 19 21 0 0 | 7 | 170 8 11 19 8 40 4 12 3 0 0 | 8 | 144 12 25 8 5 19 29 38 21 0 0 | 9 | 85 15 7 29 16 40 7 6 7 0 0 | 10 | 103 11 23 28 9 15 7 12 12 0 0 | 11 | 125 26 13 32 30 12 6 12 10 0 0 | 13 | 98 9 7 17 15 19 4 8 5 0 0 | 14 | 166 15 7 13 15 37 6 6 4 0 0 | 15 | 135 --- --- --- 104 9 --- --- --- 0 0 | 17 | 112 --- 27 35 35 --- --- --- 25 0 0 | 18 | 138 20 5 19 14 19 9 16 6 0 0 | 20 | 209 10 7 13 10 39 7 6 4 0 0 | 21 | 83 --- 23 --- 19 26 --- --- 20 0 0 | 22 | 119 11 7 15 4 7 3 5 3 0 0 | 23 | 227 9 5 --- 8 13 32 58 16 0 0 | 24 | 218 >>> 455 660 --- 26 --- --- --- 0 0 | 25 | 285 4 3 15 9 34 9 4 2 0 0 | 26 | 313 13 7 20 6 37 10 6 5 0 0 | 27 | 168 6 4 13 16 20 15 9 9 0 0 | 28 | 131 8 5 11 28 48 23 9 11 0 0 | 29 | 157 11 7 9 13 31 10 12 6 0 0 | 30 | 285 11 8 10 5 26 11 20 7 0 0 | 31 | 98 6 5 14 4 11 9 12 5 0 0 | ------|----------------------------------------------| RMS | 192 447 87 126 24 26 12 18 11 0 | WRMS | 192 13 12 19 14 28 13 15 9 0 | MEDI | 162 11 7 15 11 25 9 12 7 0 |