From: Wolfgang Soehne Author : W. Soehne Date: 17 May 1999 12:46:07 Subject: [IGEXMail-0340] Wk 1000 GFZ IGEX Analysis Report ****************************************************************************** IGEX Electronic Mail 17-May-1999 12:46:07 Message No 0340 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 1000 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 1000 (DAYS 99 066-072, DATES 07-03-99 TO 13-03-99) ****************************************************************************** Author : W. Soehne Submitted by: GeoForschungsZentrum Potsdam (GFZ) Telegrafenberg A17, D-14473 Potsdam, Germany e-mail:gend@gfz-potsdam.de fax: (0331) 288 1111 tel: (0331) 288 1114 SOLUTION CHARACTERISTICS - Software used : EPOS.P.V2 - Data used: - undifferenced carrier phases - the following observations are used: - stations with GPS and GLONASS dual frequency measurements: all observations are used - stations with GPS single frequency and GLONASS dual frequency measurements: only GLONASS observations are used - stations with GPS and GLONASS single frequency measurements: only GLONASS observations are used (corrected for ionosphere), with lower weighting - Earth rotation parameters are fixed to the estimated values of IGS - GPS orbits from the IGS final solution are introduced and fixed (except eclipsing GPS satellites) - Coordinates of two stations (OS0G, ZIMZ) are fixed to their initial ITRF96 coordinates in the determination of orbits - Adjusted parameters: - state vector of GLONASS satellites (and eclipsing GPS satellites) - coordinate corrections - tropospheric zenith path delay (4 h) - y-bias, solar radiation scaling factor - ambiguities - STA and SV clock parameters of each observation epoch - one clock bias per station and day - nine radiation pressure parameters per satellite - The orbit parameter stem from the middle day of a 3-day-solution CLOCK ESTIMATION: OS0G is used as time reference no offset and trend correction is performed The orbit files (gfx10000.sp3 - gfx10006.sp3) and this summary file (gfx10007.sum) are available at CDDIS (directory /products/1000). ORBITS REPEATABILITY (cm): (mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) ) DAY 1 (24 h) pred. DAY 2 (24 h) |------------------------|--------| |------------------------| 6-hour overlap: |xxxxxxxx| ------------------------------------------------------ RMS for DAY PRN 067 068 069 070 071 072 MEAN ------------------------------------------------------ 1 13 17 19 43 25 87 34 3 38 9 30 9 17 3 18 4 46 50 15 44 22 5 30 6 17 116 54 48 25 13 46 7 23 10 21 13 37 12 19 8 70 44 323 112 45 42 106 9 121 31 48 74 155 150 96 10 - - - - - - - 11 27 154 38 58 138 173 98 13 39 92 42 149 89 246 110 16 155 36 169 270 94 408 189 17 17 22 33 64 106 47 48 20 45 77 107 11 27 50 53 22 59 84 44 9 83 19 50 MEAN 66 71 110 99 80 150 MEDI 39 44 42 48 45 47 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEAR: 99 DAYS: 066 to 072 U,u: used for parameter determination in Helmert-transformation N,n: not used [ u,n: deleted for repeatability computation (2.5*sigma) ] SITE _____REPEATABILITY_____ __________BIAS__________ NUMB 66 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 17.5 24.6 7.7 -64.8 80.2 -108.7 9730 ..NNNNN BIPD 12.8 7.2 6.1 -37.6 42.8 7.6 9990 NNNNNNN BISZ 1190.5 96.8 101.5 406.7 -519.1 186.3 9580 NNNNNNN BORG 4.9 3.4 1.7 -43.7 -11.2 -4.9 9680 NNNNNNN BRUG 8.1 3.4 3.4 -36.5 -.9 6.0 9670 NNNNNNN DLFT 6.2 5.6 2.2 -8.2 19.1 -4.5 9660 UUUUUUU DLRA 10.3 3.3 5.2 -148.4 .3 -11.3 9720 NNNNNNN GATR 20.1 33.2 12.0 62.5 20.0 -15.5 9800 NNNNNNN GODZ 24.1 27.2 8.9 63.9 11.9 12.1 9690 NNNNNNN GRAB 4.0 4.7 2.6 11.3 -9.0 -5.7 9570 UUUUUUU HERP 48.8 10.7 16.0 -82.3 1.1 18.0 9790 NNNNNNN IRKZ 8.5 3.0 5.8 -6.0 -3.6 1.0 9760 UUUUUUU KHAB 8.7 2.9 8.4 -10.0 7.6 -3.9 9770 UUUUUUU KR0G 3.7 2.1 2.6 7.0 -13.5 2.9 9820 UUUUUUU LDS1 6.5 6.0 3.7 -115.0 -2.9 3.3 9880 NNNNNNN LINR 29.1 18.5 14.2 -71.5 -20.3 8.4 9740 NNNNNNN LRBA 9.1 4.7 1.9 13.5 2.1 2.8 9910 .UUUUUU MAGD 7.6 3.0 2.5 20.0 19.1 -7.4 9430 UUU.... MDOA 32.2 33.2 13.1 138.9 67.5 -30.5 9530 NNNNNNN MDVZ 3.9 3.0 2.6 -7.4 35.1 24.0 9780 NNUUUUU METZ 3.9 1.8 2.3 -17.2 1.5 7.3 9830 UUUUUUU MTKA 15.6 5.2 4.7 -5.1 17.4 -15.5 9870 UUUUUUU NPLC 7.1 4.2 1.9 44.8 95.6 -104.9 9970 ...NNN. OS0G 5.0 3.2 2.1 -11.4 6.5 -1.1 9930 UUUUUUU RIOZ 1031.4 702.1 727.0 -1421.9 454.2 1089.2 9610 ....NNN SANG 938.0 357.2 712.2 -623.7 -829.2 1247.8 9620 ....NNN SL1X 22.9 25.0 7.8 34.9 5.8 -3.4 9950 NNNNNNN STRR 7.9 11.5 6.1 38.4 -4.7 -20.1 9560 ..UUUUU SUNM 14.6 15.3 11.7 -29.5 -6.8 1.8 9460 UUUUUU. SUTG 1394.3 113.2 539.9 1512.8 -337.8 -702.9 9550 ....NNN THU2 .4 1.3 1.3 -.8 .5 -12.8 9630 UU..... TSKA 14.2 5.0 5.7 -3.8 10.0 2.3 9590 UUUUUUU USNX 29.4 31.1 28.2 57.8 110.4 40.1 9960 NNNNNNN VSLD 9.1 5.8 2.8 16.7 7.4 30.8 9900 NNNNNNN WTZZ 3.0 3.6 2.4 -86.0 13.6 6.1 9512 NNNNNNN YAKT 2.4 .2 .0 14.0 13.0 -6.1 9440 UU..... YARR 10.7 6.8 9.4 17.3 -13.0 20.4 9920 UUUUUUU ZIMJ 3.4 6.5 3.8 84.1 40.3 47.4 9652 NNNNNNN ZIMZ 3.9 5.9 3.3 6.8 -5.7 -.1 9650 UUUUUUU Remarks: BISZ, RIOZ and SUTG have single frequency and only few useable data SANG and USNX have only few useable data BIAS means the deviation from our initial coordinates used in the adjustment GPS-GLONASS RECEIVER BIAS (nanoseconds) SITE/DAY 066 067 068 069 070 071 072 ------------------------------------------------------------------- MAGD -40.44 -71.76 YAKT -42.60 SUNM 22.13 -0.33 -56.99 -59.27 -47.53 WTZZ 109.53 80.52 26.19 24.05 32.77 20.22 13.39 MDOA -47.33 -73.87 -127.09 -130.11 -122.75 -136.87 -141.69 STRR -6.92 2.87 -11.81 -16.37 GRAB 71.85 18.04 15.95 24.68 11.89 5.29 TSKA 89.01 59.03 4.71 3.62 12.33 -1.03 -7.59 THU2 93.44 ZIMZ 81.47 52.58 -1.39 -4.16 4.54 -7.52 -13.93 ZIMJ 36.93 7.94 -47.08 -49.94 -40.24 -52.47 -57.78 GODZ 96.05 67.39 14.82 12.70 20.69 7.79 1.93 IRKZ 102.11 72.90 18.46 16.71 24.36 12.19 5.57 KHAB 95.29 65.62 10.96 9.20 17.69 4.89 -1.60 MDVZ 77.95 23.93 21.67 30.09 16.91 10.31 GATR -43.86 -125.31 -120.35 -133.76 -140.88 KR0G 39.15 9.71 -44.79 -45.52 -37.26 -49.99 -57.61 METZ 57.64 2.40 0.44 8.78 -3.90 -9.31 MTKA 99.07 69.61 15.22 14.20 22.57 9.50 2.32 LDS1 -868.71 -900.46 -976.51 -957.14 -956.75 -951.82 -978.81 LRBA 13.02 10.57 19.23 7.10 0.49 YARR 76.97 23.16 24.56 32.75 19.17 11.89 OS0G 84.31 55.83 1.25 -0.86 8.04 -4.45 -11.53 SL1X 78.79 51.03 -2.74 -4.51 3.64 -8.71 -15.24