From: Wolfgang Soehne Author : W. Soehne Date: 21 Dec 1998 17:07:46 Subject: [IGEXMail-0124] Wk 0985 GFZ IGEX Analysis Report Subject Precedence: bulk ****************************************************************************** IGEX Electronic Mail 21-Dec-1998 17:07:46 Message No 0124 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 0985 GFZ IGEX Analysis Report Dear colleagues, Following the summary file containing the results of the GLONASS orbits for GPS week 985 computed by GFZ: Author : W. Soehne Subject: Wk 0985 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 0985 (DAYS 326-332, DATES 22-11-98 TO 28-11-98) ****************************************************************************** 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 - 1 day arc solutions - 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 (BISZ and RIOZ) - 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 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 CLOCK ESTIMATION: IRKZ (OS0G for days 332 and 333) 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 327 328 329 330 331 332 333 -------------------------------------------------- 3 100 48 76 24 36 75 118 4 47 111 60 60 52 102 83 6 45 104 71 124 94 63 11 9 77 123 21 59 78 17 17 10 - - - - - - - 11 219 118 92 149 48 99 97 12 - - - - - - - 13 204 81 34 228 70 66 165 14 - - - - - - - 15 105 282 267 115 59 71 36 16 - - - - - - - 17 175 110 52 63 38 70 130 18 18 26 89 147 206 50 91 20 279 123 132 101 210 192 146 21 - - - - - - - 22 304 162 90 52 115 169 241 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEAR: 98 DAYS: 327 to 333 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 327 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 2.3 2.0 4.6 -9.3 6.6 -5.9 9730 UUUUUUU BIPD .9 2.0 14.7 2.4 25.6 2.8 9990 UUU.NUU BISZ 11.7 26.9 32.3 19.2 -112.1 -19.1 9580 NNN.NNN BORG .7 2.1 1.2 -.6 -7.4 -1.8 9680 ..UUUUU BRUG 1.0 1.3 1.3 -.2 -6.9 -.3 9670 UUU.UUU DLRA .6 2.3 2.1 -.9 -6.4 -4.1 9720 UUUUUUU GODZ .5 1.9 1.6 -.7 -3.5 3.6 9690 UUU.UUU GRAB .9 1.9 .3 .6 -2.0 -1.3 9570 UUUUUU. HERP 1.6 2.4 3.0 1.7 23.3 -2.1 9790 UUUUU.U IRKZ .6 .6 1.4 -.5 1.8 .3 9760 UUUUU.. KHAB .6 .9 3.8 -1.9 .1 -2.7 9770 UUUUUUU KR0G .9 2.5 .9 .1 -1.5 -2.2 9820 UUUUUUU LDS1 .7 1.3 .9 -1.1 -5.5 .0 9880 UUUUUUU LRBA .7 1.5 .6 .6 -4.8 .3 9910 UUUUUUU MDOA .8 2.1 1.0 -.5 -3.7 -.8 9530 ..NNNN. METZ .4 1.6 .5 -.4 -1.2 -3.2 9830 ...UU.U MTKA .0 .0 .0 -2.5 2.5 -2.5 9870 U...... NPLC 1.4 3.5 4.0 .3 -.3 -2.1 9970 .UUUUUU OS0G .8 1.6 .7 -.3 -3.8 -2.0 9930 UU..UUU REYZ 1.1 2.2 .6 -.8 -4.1 2.2 9710 UUUUUUU RIOZ 30.8 50.5 170.6 -24.7 224.5 99.9 9610 .NNNNN. SANG 30.6 70.9 111.4 -80.6 -186.8 -45.2 9620 NNNN.N. SL1X .9 .9 .7 -.3 -4.5 2.8 9950 UUUUUU. STRR 1.8 2.0 2.1 7.0 .9 14.0 9560 UUUUUU. THU2 1.3 1.7 1.1 -3.5 -4.4 -.9 9630 UUU.... TID2 2.9 2.1 8.4 -1.2 -7.1 -12.2 3052 NNNNNNN TSKA .3 .4 3.9 -1.6 -1.0 1.8 9590 UU.UUUU USNX 2.6 2.9 7.8 74.8 -295.8 177.4 9960 ...N..N VSLD 3.4 2.7 11.6 8.8 30.0 12.6 9900 NUUUU.N YARR 1.3 2.4 4.7 5.0 1.6 -6.3 9920 .U.UUUU ZIMZ .8 1.7 1.3 .8 -4.6 .3 9650 UUUUUUU