From: Heinz Habrich Date: 14 Jan 2000 16:32:40 Subject: [IGEXMail-0631] Wk 1024 BKG IGEX Analysis Report Precedence: list ****************************************************************************** IGEXMail 14-Jan-2000 16:32:40 Message No 0631 ****************************************************************************** Author: Heinz Habrich Subject: Wk 1024 BKG IGEX Analysis Report ****************************************************************************** BKG IGEX ANALYSIS REPORT GPS WEEK 1024 (DAYS 234 - 240, 1999) ****************************************************************************** Submitted by: Bundesamt fuer Kartographie und Geodaesie (BKG) Geodetic Department, G1 Richard-Strauss-Allee 11, D-60598 Frankfurt Main, Germany Phone : +49-69-63331 Fax : +49-69-6333425 E-Mail: habrich@ifag.de Product access: anonymous ftp to igs.ifag.de (141.74.240.26) subdirectory IGEX/products/wwww ------------------------------------------------------------------------------ PROCESSING SCHEME: ------------------------------------------------------------------------------ SOFTWARE: Bernese GPS Software ORBIT COMPUTATION: Double difference phase observations of GLONASS and GPS satellites are processed in ionosphere free linear combination. IGS orbits and Earth rotation parameters are fixed. Six initial conditions and nine radiation pressure parameters per satellite are determined for GLONASS satellites. The middle day of a 3-day-arc is used for the daily orbit results. The daily orbit files include GPS satellite clock values from IGS estimates and broadcasted values for GLONASS satellite clocks. The coordinates of the following stations are contrained to ITRF-97: GODZ IRKZ OS0G YARR ZIMZ WTZZ. GLONASS/GPS TIME OFFSET: Code observations of combined GLONASS/GPS receivers are used to determine the GLONASS/GPS time offset. This offset includes the modulo 1 sec system time scale difference of GLONASS and GPS and an additional offset between the receiver's 'GPS clock' and 'GLONASS clock'. The additional offset is receiver dependent. TRANSFORMATION PARAMETERS BETWEEN ITRF AND PZ90: The transformation parameters are derived from GLONASS precise orbits (given in ITRF) and GLONASS broadcast orbits (given in PZ90). ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ ORBIT REPEATABILITY, DAILY SOLUTIONS COMPARED TO 7-DAY-ARC (CM): ------------------------------------------------------------------------------ GLONASS Satellites: 101 104 106 107 108 109E110E111E113E115E116E120 122 ------------------------------------------------------------------------------ 234 13 13 32 18 12 18 26 20 15 12 19 12 14 235 7 14 42 10 14 23 17 12 20 16 11 28 8 236 13 14 17 19 -- 19 20 13 23 20 12 19 11 237 16 19 14 18 -- 23 19 16 24 12 22 14 17 238 11 8 12 15 -- 25 13 8 18 17 12 8 8 239 12 14 21 11 -- 28 26 7 24 15 19 12 9 240 18 13 54 11 25 22 18 16 32 17 21 18 8 ------------------------------------------------------------------------------ ALL 13 14 31 15 18 23 20 14 23 16 17 17 11 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ GLONASS/GPS TIME OFFSET: ------------------------------------------------------------------------------ OFFSET (NS) RMS ERROR (NS) DAY : 234 235 236 237 238 239 240 STATION ------------------------------------------------------------------------------ BIPD 1024.841 0.977 BORG 1021.005 1019.192 1024.925 1010.723 1011.596 1023.656 1019.536 0.932 0.953 0.902 0.908 0.862 0.879 0.893 BRUG 1027.828 1022.259 1027.591 1016.036 1017.573 1030.821 0.994 1.015 0.957 0.926 0.880 1.677 CSIR 1016.705 1021.689 1032.580 1013.148 1020.052 1021.389 1019.137 1.008 1.027 0.976 0.987 0.976 0.928 0.967 DLFT -79.524 -82.349 -77.689 -91.085 -90.836 -78.823 -83.568 0.913 0.916 0.880 0.882 0.841 0.872 0.859 GODZ 136.318 124.012 102.467 81.197 83.457 41.892 32.312 23.613 1.369 0.927 IRKZ 77.609 65.431 67.126 74.413 69.309 0.896 0.897 0.874 0.858 0.843 KHAB 64.315 72.672 71.434 61.733 63.048 68.098 64.196 0.927 0.955 0.919 0.906 0.917 0.906 0.868 KR0G 14.935 13.449 -0.401 -0.850 10.171 3.355 1.384 0.839 0.836 0.798 0.815 0.814 LINR 1017.500 1036.759 1031.455 1022.444 1026.338 1028.105 1.001 1.068 0.986 0.969 0.969 0.974 MDVZ 78.033 76.196 82.526 68.438 67.140 80.831 76.162 0.885 0.900 0.873 0.881 0.828 0.857 0.853 METZ 68.686 54.536 54.167 73.094 84.005 1.200 0.863 0.818 1.017 1.883 OS0G 66.725 63.928 70.019 52.646 53.260 64.345 57.523 0.896 0.891 0.861 0.853 0.825 0.847 0.833 SUNM -76.557 -66.265 -62.585 -77.158 -75.227 -67.764 -72.407 1.267 1.159 1.096 1.120 1.195 1.116 1.240 THU2 61.076 62.820 68.881 54.066 56.228 68.038 62.401 0.837 0.837 0.804 0.805 0.817 0.802 0.802 USNX 1013.669 1016.098 1022.038 1010.027 1007.070 1021.652 1018.595 0.964 1.006 0.937 0.965 0.973 0.973 0.950 VSLD 1038.066 1020.467 1024.696 1014.725 1014.312 1026.141 1021.322 2.036 0.980 0.915 0.940 0.885 0.924 0.952 WTZZ 101.529 78.793 79.242 1.843 0.946 0.908 YARR 83.175 69.760 1.035 0.927 ZIMZ 53.960 49.373 50.009 44.425 44.887 53.804 49.860 0.947 0.947 1.031 0.893 0.857 0.888 0.886 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ STATISTICS FOR 1 DAY SOLUTIONS: ------------------------------------------------------------------------------ DAY OBSERVATIONS PARAMETERS RMS (M) ------------------------------------------------------------------------------ 234 44120 1569 0.0012 235 49013 1550 0.0012 236 61569 1763 0.0014 237 68455 2009 0.0014 238 67720 1907 0.0014 239 47136 1584 0.0013 240 70671 2182 0.0013 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ COORDINATE COMPARISON FOR 1 DAY SOLUTIONS: GPS WEEK 1024 ------------------------------------------------------------------------------ TOTAL NUMBER OF STATIONS: 19 ------------------------------------------------------------------------------ WEEKDAY RESIDUAL RMS IN MM STATION #DAYS 0123456 N E U ------------------------------------------------------------------------------ BIPD 1 P - - - BRUG 6 PPPPPP 3 5 25 DLFT 7 PPPPPPP 3 2 5 GODZ 2 PP - - - FIXED HERP 7 PPPPPPP 16 44 35 IRKZ 5 PPPPP - - - FIXED KHAB 7 PPPPPPP 11 22 37 KR0G 6 PPPPPP 2 5 5 LINR 5 P PPPP 42 36 55 MDVZ 7 PPPPPPP 2 3 10 METZ 5 PPPPP 2 4 11 OS0G 7 PPPPPPP - - - FIXED SUNM 6 P PPPPP 43 47 26 THU2 7 PPPPPPP 7 7 14 VSLD 7 PPPPPPP 5 9 13 WTZZ 3 PP P - - - FIXED YAR1 4 PP P P - - - FIXED YARR 2 PP - - - FIXED ZIMZ 7 PPPPPPP - - - FIXED ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ STATISTICS FOR 3 DAY SOLUTIONS: ------------------------------------------------------------------------------ MID-DAY OBSERVATIONS PARAMETERS RMS (M) ------------------------------------------------------------------------------ 234 166318 4199 0.0013 235 154702 3991 0.0013 236 179037 4404 0.0014 237 197744 4720 0.0015 238 183311 4567 0.0014 239 185527 4776 0.0014 240 188884 5115 0.0014 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ TRANSFORMATION PARAMETERS BETWEEN ITRF AND PZ90: ------------------------------------------------------------------------------ USAGE: | X | | X | | DX | | SCALE RZ -RY | | X | | Y | = | Y | + | DY | + | -RZ SCALE RX | * | Y | | Z | | Z | | DZ | | RY -RX SCALE | | Z | ITRF PZ90 PZ90 ------------------------------------------------------------------------------ RMS = RMS of transformed coordinates DX DY DZ RX RY RZ SCALE RMS DAY [m] [m] [m] [mas] [mas] [mas] [10E6] [m] ------------------------------------------------------------------------------ 234 0.627 1.255 -0.971 10.08 -0.52 -346.12 0.0108 5.86 235 -0.993 0.294 -1.443 12.49 -26.38 -349.97 0.0325 6.56 236 -0.149 0.130 -0.877 20.04 -13.15 -371.94 0.0150 5.06 237 0.603 -0.225 -1.072 23.78 -6.47 -390.80 0.0099 6.03 238 0.788 -0.062 -1.524 25.60 3.85 -386.12 0.0102 5.82 239 0.505 0.355 -1.297 20.36 -1.71 -362.21 0.0091 4.54 240 0.337 -0.195 -1.094 18.94 5.49 -347.64 0.0206 5.88 ------------------------------------------------------------------------------