From: Wolfgang Soehne Author : W. Soehne Date: 25 Feb 1999 17:25:43 Subject: [IGEXMail-0223] Wk 0992 GFZ IGEX Analysis Report Subject ****************************************************************************** IGEX Electronic Mail 25-Feb-1999 17:25:43 Message No 0223 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 0992 GFZ IGEX Analysis Report Author : W. Soehne Subject: Wk 0992 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 0992 (DAYS 99 010-016, DATES 10-01-99 TO 16-01-99) ****************************************************************************** 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 except for SVT3, MDOA and GATR: only GLONASS 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, with lower weighting - Earth rotation parameters are fixed to their initial values - GPS orbits from the IGS final solution are introduced and fixed (except eclipsing GPS satellites) - Coordinates of only one station (ZIMZ) are fixed to their initials 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 - The orbit parameter stem from the middle day of a 3-day-solution CLOCK ESTIMATION: IRKZ is used as time reference no offset and trend correction is performed ORBITS REPEATABILITY (cm): (mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) ) DAY 1 (24 h) pred. DAY 2 (24 h) |------------------------|--------| |------------------------| 7.75-hour overlap: |xxxxxxxx| -------------------------------------------------- RMS for DAY PRN 011 012 013 014 015 016 -------------------------------------------------- 3 35 127 47 129 110 39 4 26 6 79 72 76 50 6 95 24 25 22 59 127 9 91 83 15 23 28 16 10 - - - - 129 - 11 133 127 145 23 59 21 13 15 44 21 56 88 76 16 54 30 43 28 584 219 17 197 171 58 33 41 131 20 63 124 175 146 64 65 22 58 58 59 97 124 27 MEAN 92 91 89 79 128 90 MEDI 58 58 47 33 76 50 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEAR: 99 DAYS: 10 to 16 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 10 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 115.5 31.0 32.8 -600.9 -10.2 -180.8 9730 NNNNNNN BIPD 55.0 10.0 24.1 -27.5 52.3 -2.3 9990 NNNNNNN BORG 12.3 3.1 12.7 -49.2 -3.9 -4.5 9680 UUUUUUU BRUG 18.0 4.7 6.6 -46.2 10.0 12.2 9670 UUUUUUU CRAR 30.1 21.1 36.8 27.5 9.0 49.4 9480 UUUUUUU CSIR 149.7 40.7 79.0 -242.6 .4 -125.8 9700 NNNNNNN GATR 36.9 18.1 34.4 -52.5 -10.8 559.7 9800 NNNNNNN GRAB 8.5 2.7 4.9 39.2 .7 -8.6 9570 UUUUUUU HERP 44.9 9.9 14.9 -12.3 71.9 30.8 9790 NNNNNNN IRKZ 6.2 5.3 8.2 -12.4 9.1 -21.6 9760 UUUUUUU KHAB 11.8 4.3 6.2 -34.5 18.0 -9.4 9770 UUUUUUU KR0G 6.1 1.3 2.6 24.0 -11.6 -2.7 9820 UUUUUUU LDS1 8.2 3.7 6.0 -84.3 9.9 6.6 9880 UUUUUNU LINR 41.4 9.5 52.6 -435.1 211.1 125.3 9740 ..NNNNN LRBA 7.4 3.8 5.2 31.8 8.5 8.2 9910 UUUUUUU MDOA 25.4 21.0 28.9 -147.7 -.5 499.5 9530 NNNNNNN MDVZ 7.3 2.6 5.6 33.8 34.6 -5.0 9780 NNNNNNN METZ 5.1 1.2 5.0 16.7 .0 -10.9 9830 UUUUUUU MTKA 4.7 2.4 7.2 -150.4 70.4 -36.8 9870 NNNN... NPLC 37.2 12.7 25.3 22.4 44.9 -19.0 9970 NNNNNNN OS0G 7.4 2.4 1.0 20.7 3.7 -13.1 9930 UUUU.UU REUN 17.1 5.7 15.9 -17.1 2.7 93.4 9490 UUUUUNU REYZ 7.0 3.3 2.7 37.0 5.7 -25.3 9710 UUUUUUU SANG 71.7 79.1 72.6 -130.1 -393.1 292.4 9620 NNNNNNN STRR 17.1 10.1 19.6 -6.8 -11.3 -62.7 9560 UUUUUU. SUNM 57.3 21.6 292.2 -28.4 15.3 355.2 9460 NNNNUUU SUTG 503.3 178.5 130.3 -845.2 190.7 228.1 9550 NNNNNNN SVT3 26.8 5.4 11.0 -48.9 -37.4 59.8 9450 UUUUUNU THU2 8.6 4.8 5.5 34.5 -9.9 -46.9 9630 UUUUUUU TSKA 12.1 6.0 8.1 -38.1 25.4 -16.8 9590 UUUUUUU USNX 83.9 28.1 95.7 -53.1 123.6 117.0 9960 NNNNNNN VSLD 5.1 5.5 9.0 25.8 5.4 13.5 9900 UUUUUUU YARR 16.5 7.0 14.3 11.9 -1.9 -30.4 9920 UUUUUUU ZIMZ 8.5 2.0 5.9 30.0 4.8 3.6 9650 UUUUUUU Remarks: 3SNA, CSIR, SANG and USNX are sites with only few useable observations SUTG has single frequency data