From: Heinz Habrich Date: 08 Oct 1999 15:17:36 Subject: [IGEXMail-0487] Wk 1008 BKG IGEX Analysis Report ****************************************************************************** IGEX Electronic Mail 08-Oct-1999 15:17:36 Message No 0487 ****************************************************************************** Author: Heinz Habrich Subject: Wk 1008 BKG IGEX Analysis Report ****************************************************************************** BKG IGEX ANALYSIS REPORT GPS WEEK 1008 (DAYS 122 - 128, 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-96: IRKZ OS0G YARR ZIMZ. 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: 101E103E104E106E107E108E109 110 111 113 116 117 120 122 ------------------------------------------------------------------------------ 122 11 11 27 22 20 20 17 29 20 14 22 17 14 17 123 10 8 10 26 22 14 12 14 33 37 16 29 11 19 124 10 7 12 18 16 15 18 21 28 24 13 11 12 14 125 17 12 15 19 16 11 13 21 31 14 24 13 15 16 126 10 11 12 10 12 13 9 24 25 9 15 17 17 11 127 14 20 17 10 13 16 6 26 16 10 14 10 11 9 128 20 18 24 18 10 21 10 25 28 17 37 9 13 39 ------------------------------------------------------------------------------ ALL 14 13 18 18 16 16 13 23 26 20 22 17 13 20 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ GLONASS/GPS TIME OFFSET: ------------------------------------------------------------------------------ OFFSET (NS) RMS ERROR (NS) DAY : 122 123 124 125 126 127 128 STATION ------------------------------------------------------------------------------ 3SNA 983.843 1003.581 1007.477 1007.082 1015.084 1017.442 2.132 .869 .931 .921 1.379 .897 BIPD 1001.056 998.184 1004.234 1006.985 1018.695 1028.422 1025.599 .905 1.005 .924 .971 .919 .949 .917 BORG 992.894 995.139 997.729 1000.186 1013.675 1023.450 1020.996 .839 .813 .850 .872 .847 .852 .842 BRUG 996.254 1003.274 1017.592 1024.943 1021.271 .959 .937 1.005 .887 .853 CSIR 994.560 993.209 998.527 999.035 1013.799 1020.311 1023.800 .868 .966 .927 .933 .918 .954 .939 DLFT -106.950 -105.313 -101.689 -98.411 -87.881 -79.053 .825 .810 .835 .855 .819 .846 GODZ 50.886 45.123 60.888 64.780 76.999 66.609 1.440 1.784 .936 1.975 1.380 1.563 HERP 1001.651 1003.825 1002.480 1015.695 1024.977 1010.918 .913 .936 .888 .908 .898 2.451 KR0G -19.416 -16.668 -10.879 -9.018 3.298 10.687 11.841 .852 .846 .869 .810 .790 .906 .935 LDS1 -944.585 -947.640 -945.502 -942.182 -933.295 -918.245 -925.844 1.132 1.036 1.157 1.201 1.120 1.099 1.155 MDVZ 51.687 50.336 57.164 58.586 70.764 76.427 74.405 .904 .852 .868 .829 .798 .828 .905 METZ 34.167 37.009 43.217 38.832 47.345 .953 1.036 .983 .831 1.147 MTKA 32.224 45.704 49.953 47.058 60.380 68.846 66.222 .928 .932 .827 .830 .896 .859 1.020 NPLC 997.284 995.553 999.243 1003.115 1014.840 1024.348 1029.592 .850 .926 .866 .889 .855 .887 1.228 OS0G 26.807 33.333 36.222 41.842 49.957 55.075 62.862 .884 .772 .874 .921 .828 .944 1.550 SANG 986.339 989.364 993.845 999.215 .874 .899 .860 .915 STRR 24.384 1.121 SUNM -99.034 -88.291 -83.848 -93.578 -82.929 .973 1.057 1.030 .960 .969 THU2 999964.192999963.793999959.019999954.024968083.726 39.802 61.094 .882 .839 .962 .817 7515.954 3.123 .841 USNX 988.013 988.950 998.797 1001.743 1017.393 .893 .875 .894 .916 .908 VSLD 1001.452 999.982 1001.705 1006.313 1016.971 1027.079 1021.040 1.000 .840 .850 .898 .900 .870 .881 WTZZ 57.173 54.609 63.152 74.771 87.846 86.100 .940 .904 1.047 1.058 1.053 1.020 YARR 49.046 53.652 63.068 54.873 70.901 83.866 .967 .929 1.189 .849 .872 .925 ZIMZ 24.885 27.524 32.074 43.615 54.887 53.819 1.041 1.542 .916 .912 .862 .998 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ STATISTICS FOR 1 DAY SOLUTIONS: ------------------------------------------------------------------------------ DAY OBSERVATIONS PARAMETERS RMS (M) ------------------------------------------------------------------------------ 122 46876 1661 .0013 123 49702 1863 .0013 124 60678 2296 .0013 125 76295 2128 .0013 126 60954 2055 .0014 127 41847 1797 .0014 128 41379 1947 .0013 ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ COORDINATE COMPARISON FOR 1 DAY SOLUTIONS: GPS WEEK 1008 ------------------------------------------------------------------------------ TOTAL NUMBER OF STATIONS: 21 ------------------------------------------------------------------------------ WEEKDAY RESIDUAL RMS IN MM STATION #DAYS 0123456 N E U ------------------------------------------------------------------------------ 3SNA 6 PPPPPP 111 129 96 BIPD 7 PPPPPPP 3 10 19 BORG 7 PPPPPPP 3 6 20 BRUG 5 PP PPP 3 4 16 DLFT 6 PPPPPP 2 3 5 GODZ 6 PPPPPP 10 20 26 HERP 5 PP PPP 11 19 50 KR0G 7 PPPPPPP 3 3 6 LDS1 7 PPPPPPP 3 2 23 MDVZ 7 PPPPPPP 3 4 5 METZ 5 PPPPP 1 7 4 MTKA 7 PPPPPPP 7 17 30 NPLC 6 PPPP PP 11 18 77 OS0G 7 PPPPPPP - - - FIXED STRR 1 P - - - SUNM 5 PPPPP 4 2 8 THU2 6 PPPP PP 5 5 6 VSLD 7 PPPPPPP 4 4 18 WTZZ 6 PPPPPP 3 2 6 YARR 6 PPPPP P - - - FIXED ZIMZ 6 PPPPPP - - - FIXED ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ STATISTICS FOR 3 DAY SOLUTIONS: ------------------------------------------------------------------------------ MID-DAY OBSERVATIONS PARAMETERS RMS (M) ------------------------------------------------------------------------------ 122 155140 4411 .0013 123 157256 4598 .0014 124 186675 5058 .0013 125 197927 5271 .0014 126 179096 4806 .0014 127 144180 4573 .0014 128 139255 4524 .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] ------------------------------------------------------------------------------ 122 .637 -.232 -.226 39.82 6.16 -350.45 .0137 4.28 123 .091 -.384 -.447 42.27 -3.55 -359.50 .0132 4.26 124 .267 .001 -.774 37.73 3.17 -371.64 .0041 4.52 125 -.065 .337 -.801 38.42 -6.10 -373.06 .0035 4.77 126 -.343 -.081 -.979 42.28 -8.40 -367.57 .0046 4.38 127 .088 .259 -.735 35.46 .33 -353.07 .0044 4.47 128 -.060 .086 -1.037 37.71 -4.23 -333.22 .0131 4.20 ------------------------------------------------------------------------------