Author: AC Coordinator / AIUB/CODE Ultra Rapid IGS Orbit Comparison - Week 1195 Day: 3 Hour: 00 (Dec 04, 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 2. Because of a maneuver, some satellites were excluded from the Prediction combination. The following table lists the maneuvered satellites: PRN | Date | Ref. NANU ----+------------+----------- 23 | 2002_12_04 | 2002146 _______________________________________________________________________________ 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 1.1195.3 GPS week: 1195 Day: 3 MJD: 52612.0 CENT STA| DX DY DZ RX RY RZ SCL RMS WRMS | TOFT TDRFT RMS --------|------------------------------------------------|--------------------- brd n/a|0.56 0.40-0.12 1.50 2.65 -1.19 7.235.9535.95 | -10.6 40.7 42.04 cou n/a|0.01-0.03-0.04 -1.29 -0.82 -0.73 -0.610.85 0.61 | -1.3 3.2 62.31 emu n/a|0.00 0.02-0.02 -0.15 -0.10 -1.03 -0.3 0.34 0.41 | 1556.4 18.6 4.62 esu n/a|0.05 0.02 0.01 -0.58 1.45 -0.21 0.0 0.37 0.35 | 1554.0 15.1 5.28 gfu n/a|0.02 0.00-0.03 -0.33 0.00 -0.73 -0.7 0.31 0.34 | 0.5 3.0 7.18 jpu n/a|0.01 0.04-0.03 0.38 -0.18 -0.63 0.3 0.32 0.26 | 0.0 0.0 0.00 siu n/a|0.02-0.02-0.02 -0.24 0.15 -0.37 -0.1 0.35 0.19 | 0.0 0.0 0.00 usu n/a|0.02-0.01 0.02 -0.46 0.42 -0.64 -0.1 0.33 0.33 | 907.8 -49.5 4.92 igu n/a|0.01 0.01-0.02 -0.20 0.25 -0.59 -0.4 0.31 0.28 | 0.4 -6.2 5.37 igr n/a|0.00 0.00 0.00 0.00 0.00 0.00 0.0 0.00 0.00 | 0.0 1.8 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 2.1195.3 GPS week: 1195 Day: 3 MJD: 52612.0 Weighted Average PRN | brd cou emu esu gfu jpu siu usu igu igr IGR | ------|----------------------------------------------| 1 | 189 33 4 12 6 18 3 5 3 0 0 | 2 | 210 14 17 12 23 10 12 15 11 0 0 | 3E | 112 40 19 37 9 9 21 34 18 0 0 | 4 | 81 10 7 19 14 11 7 8 5 0 0 | 5 | 133 8 3 9 16 8 3 20 2 0 0 | 6E | 516 126 26 46 8 13 11 70 21 0 0 | 7E | 116 28 12 11 17 20 15 27 6 0 0 | 8 | 279 5 8 6 5 11 11 12 5 0 0 | 9E | 261 8 4 8 10 9 5 7 5 0 0 | 10E | 215 17 9 9 16 19 5 10 8 0 0 | 11 | 137 7 12 20 7 12 4 5 7 0 0 | 13 | 180 14 5 20 9 13 13 6 5 0 0 | 14 | 158 11 6 24 6 8 15 27 7 0 0 | 15 | 196 270 20 --- 10 8 --- --- 10 0 0 | 17 | 332 >>> 42 --- --- 5 --- --- --- 0 0 | 18 | 208 9 6 18 6 24 14 6 6 0 0 | 20 | 207 16 17 29 6 12 6 34 12 0 0 | 22E | >>> 14 11 11 10 23 13 7 6 0 0 | 24 | 134 149 149 146 147 145 170 129 148 0 0 | 25E | 183 6 7 49 5 8 10 16 6 0 0 | 26 | 143 14 36 19 3 5 34 21 20 0 0 | 27 | 103 9 5 11 4 17 13 9 4 0 0 | 28 | 103 5 11 11 9 15 11 7 8 0 0 | 29E | 135 >>> --- 31 25 22 --- --- 22 0 0 | 30 | 103 6 3 15 11 26 6 15 5 0 0 | 31E | 142 34 35 61 14 6 6 31 17 0 0 | ------|----------------------------------------------| RMS | >>> >>> 34 37 31 32 35 33 31 0 | WRMS | >>> 61 41 35 34 26 19 33 28 0 | MEDI | 169 14 11 19 9 12 11 15 7 0 |