From: Wolfgang Soehne Author : W. Soehne Date: 17 May 1999 12:46:35 Subject: [IGEXMail-0341] Wk 1001 GFZ IGEX Analysis Report ****************************************************************************** IGEX Electronic Mail 17-May-1999 12:46:35 Message No 0341 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 1001 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 1001 (DAYS 99 073-079, DATES 14-03-99 TO 20-03-99) ****************************************************************************** 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 (gfx10010.sp3 - gfx10016.sp3) and this summary file (gfx10017.sum) are available at CDDIS (directory /products/1001). 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 074 075 076 077 078 079 MEAN ------------------------------------------------------ 1 10 16 52 13 20 4 19 3 7 20 13 13 32 8 16 4 24 30 37 18 26 23 26 6 22 13 19 30 36 48 28 7 30 14 55 36 18 33 31 8 180 13 13 37 13 28 47 9 192 41 32 20 19 33 56 10 - - - - - - - 11 55 41 219 69 118 41 90 13 56 93 66 77 24 15 55 16 60 87 81 135 246 148 126 17 39 9 17 64 35 72 39 20 28 11 58 34 69 33 39 22 51 57 38 62 22 40 45 MEAN 81 44 75 57 81 54 MEDI 39 20 38 36 26 33 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEAR: 99 DAYS: 073 to 079 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 73 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 24.5 41.2 20.3 -55.5 72.1 -103.7 9730 NNNNNNN BIPD 15.1 10.4 5.0 -35.9 46.4 6.3 9990 NNNNNNN BISZ 380.2 80.2 284.0 -148.1 -601.7 340.9 9580 NNNNNNN BORG 7.3 3.2 3.3 -56.7 -15.3 -8.1 9680 NNNNNNN BRUG 2.2 4.9 2.6 -49.2 -5.6 3.7 9670 NNNNNNN DLFT 7.3 6.6 1.7 -13.4 16.8 -4.9 9660 UUUUUUU DLRA 9.8 5.3 4.4 -165.1 -6.3 -3.5 9720 NNNNNNN GATR 38.9 44.2 7.8 60.3 26.6 -24.4 9800 NNNNNNN GODZ 32.4 35.5 8.1 69.8 17.5 9.2 9690 NNNNNNN GRAB 4.1 4.7 2.3 2.3 -13.7 -8.3 9570 UUUUUUU HERP 50.0 12.3 15.0 -43.4 -15.7 12.4 9790 NN.NNNN IRKZ 10.7 4.0 4.5 -2.1 -3.9 1.5 9760 UUUUUUU KHAB 9.0 2.7 5.0 2.7 10.6 -.6 9770 UUUUUUU KR0G 1.4 2.6 4.0 14.5 -14.2 3.5 9820 UUUUUUU LDS1 11.7 6.8 2.0 -107.9 -4.4 3.9 9880 NNNNNNN LINR 13.3 16.4 17.5 -96.4 -19.3 18.0 9740 NNNNNNN LRBA 7.8 8.5 .8 10.8 -5.7 4.7 9910 UUUUUUU MDOA 31.6 43.4 9.8 151.1 78.8 -34.9 9530 NNNNNNN MDVZ 7.0 2.7 2.5 -10.0 31.3 22.2 9780 UUUUUUU METZ 3.5 .8 2.1 -14.7 -3.0 5.6 9830 UUUUUUU MTKA 14.0 2.7 4.6 5.0 23.3 -12.2 9870 UUUUUUU NKLG 11.9 7.4 24.1 354.1 229.2 342.4 9410 ..NNNNN NPLC 39.7 9.4 52.6 -39.9 65.9 -81.8 9970 ..NNNNN OS0G 3.5 3.1 2.5 -7.7 4.1 -1.9 9930 UUUUUUU RIOZ 197.9 1046.0 1376.7 -785.3 804.6 -51.4 9610 NNNNNNN SANG 430.0 880.7 881.9 -122.6 -912.9 682.6 9620 NNNNNNN SL1X 34.7 32.1 7.2 37.7 12.8 -8.7 9950 NNNNNNN STRR 15.2 11.0 3.0 2.0 -11.9 -19.1 9560 UUUUUU. SUNM 26.7 17.1 6.8 -61.1 -.9 11.0 9460 .NNNNUU SUTG 2977.6 635.8 403.0 742.2 -374.4 -238.0 9550 NNNNNNN THU2 13.5 5.8 8.6 5.7 5.3 -1.5 9630 ...UUUU TSKA 11.8 3.1 3.8 4.8 13.9 5.0 9590 UUUUUUU USNX 45.2 40.1 11.1 106.1 101.8 46.7 9960 N..NNNN VSLD 10.8 7.4 3.4 19.1 5.4 28.1 9900 NNNNNNN WTZZ 4.2 5.1 1.6 -91.8 8.2 4.1 9512 NNNNNNN YARR 14.6 5.6 9.8 11.2 -17.8 10.9 9920 UUUUUUU ZIMJ 3.8 7.7 3.3 74.2 36.4 46.5 9652 NNNNNNN ZIMZ 4.6 7.0 2.0 -1.3 -9.7 -1.8 9650 UUUUUUU Remarks: BISZ 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 073 074 075 076 077 078 079 ------------------------------------------------------------------- SUNM -42.35 -52.11 -121.30 -127.06 WTZZ 18.51 38.67 31.64 26.18 16.65 25.49 21.71 MDOA -132.59 -114.94 -117.31 -126.90 -123.97 -131.32 STRR -11.37 8.86 2.01 -2.88 -11.21 GRAB 30.71 22.91 17.85 7.72 16.50 12.77 TSKA -2.34 17.18 10.44 5.54 -3.50 5.21 0.57 THU2 1.33 10.85 5.68 ZIMZ -8.52 10.82 3.85 -1.53 -11.33 -2.55 -6.32 ZIMJ -52.64 -32.85 -37.72 -48.53 -53.99 -47.94 -46.68 GODZ 7.27 26.37 18.81 13.84 3.92 8.21 IRKZ 11.62 31.03 18.98 9.62 18.31 13.96 KHAB 4.65 23.80 18.11 14.79 3.10 11.26 7.01 MDVZ 16.37 36.26 28.80 23.70 13.51 21.99 17.93 GATR -132.85 -113.08 -117.16 -125.03 -122.95 -123.40 -129.30 KR0G -51.70 -31.56 -39.21 -43.92 -52.25 -44.42 -49.07 METZ -5.21 14.67 8.56 2.98 -5.68 2.73 -2.30 MTKA 8.48 27.89 21.60 16.21 7.03 15.40 10.74 LDS1 -955.34 -938.59 -939.62 -962.19 -961.40 -940.39 -963.09 LRBA 6.21 25.16 18.25 13.46 3.41 12.07 7.89 YARR 17.94 36.76 31.08 25.98 15.97 24.14 17.33 OS0G -5.91 6.90 1.05 -6.07 1.03 SL1X -10.63 9.19 2.57 -2.26 -2.88 -7.49