From: Wolfgang Soehne Author : W. Soehne Date: 01 Mar 1999 15:37:28 Subject: [IGEXMail-0227] Wk 0993 GFZ IGEX Analysis Report Subject ****************************************************************************** IGEX Electronic Mail 01-Mar-1999 15:37:28 Message No 0227 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 0993 GFZ IGEX Analysis Report Author : W. Soehne Subject: Wk 0993 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 0993 (DAYS 99 017-023, DATES 17-01-99 TO 23-01-99) ****************************************************************************** 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 the estimated values of IGS - 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 The orbit files (gfx09930.sp3 - gfx09936.sp3) and this summary file are available at CDDIS (directory /products/0993). 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 018 019 020 021 022 023 MEAN ------------------------------------------------------ 3 25 31 19 93 127 37 55 4 23 28 20 118 57 57 50 6 121 116 48 16 34 97 72 9 21 74 40 29 21 32 36 10 - - - - - - - 11 43 139 47 44 26 35 56 13 33 37 43 39 54 80 48 16 77 715 248 183 12 66 217 17 59 277 58 31 28 42 82 20 52 94 145 193 216 59 126 22 67 43 62 80 98 133 80 MEAN 68 307 118 89 93 69 MEDI 43 74 47 44 34 57 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEAR: 99 DAYS: 17 to 23 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 17 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 48.2 24.6 62.1 -363.3 4.0 -175.8 9730 NNNNNNN BIPD 26.6 4.9 12.9 -44.6 41.4 -12.2 9990 NNNNNNN BORG 6.0 3.7 13.0 -37.7 -3.8 .3 9680 UUUUUUU BRUG 13.5 3.0 7.4 -32.2 14.0 21.2 9670 UUUUUUU CRAR 6.0 3.5 9.1 17.3 30.1 18.5 9480 UUUUUUU CSIR 275.9 64.5 246.8 -309.1 -87.3 -237.7 9700 NNNNNNN GATR 229.9 41.6 56.7 46.9 6.3 568.5 9800 NNNNNNN GODZ 8.6 6.1 2.2 23.7 6.1 12.5 9690 .....UU GRAB 5.7 1.2 .9 26.3 3.1 -8.1 9570 UUUUUUU HERP 23.5 12.8 16.8 6.6 64.3 38.0 9790 NNNNNNN IRKZ 4.8 2.9 3.2 -14.1 2.6 -26.1 9760 UUUUUUU KHAB 5.9 2.6 3.4 -45.0 13.2 -16.9 9770 UUUUUUU KR0G 4.1 2.1 1.3 17.2 -11.7 .8 9820 UUUUUUU LDS1 5.5 2.8 5.1 -95.1 11.5 7.7 9880 UUNNNNN LINR 11.7 5.8 10.3 -464.7 222.1 102.0 9740 NN.NNNN LRBA 4.7 .6 1.8 26.9 11.0 9.2 9910 UUUUUUU MDOA 178.6 36.6 60.7 -166.1 20.5 541.5 9530 NNNNNNN MDVZ 4.5 .8 5.3 19.9 32.7 -6.4 9780 NNNNNNN METZ 6.5 1.7 2.5 .8 2.4 -8.5 9830 UUUUUUU NPLC 26.6 4.5 26.4 24.7 59.3 -39.2 9970 NNNNNNN OS0G 3.9 1.5 2.6 18.1 4.5 -11.9 9930 UUU..UU REUN 4.7 3.4 6.1 .7 5.1 65.2 9490 UUUUUUU REYZ 8.1 1.6 2.0 19.4 8.1 -18.7 9710 UUUUUUU SANG 100.2 57.1 51.4 -134.3 -362.3 243.5 9620 NNNNNNN STRR 4.1 4.0 7.7 5.7 -15.9 -51.6 9560 .UUUUUU SUNM 6.6 5.8 10.8 28.6 -1.1 37.8 9460 UUUUUUU SUTG 741.3 164.2 527.1 -81.0 -73.2 -607.5 9550 NNNNNNN SVT3 120.7 6.6 21.2 -50.1 -35.8 93.2 9450 NNNNNNN THU2 11.4 1.9 4.0 16.7 .8 -40.5 9630 UUUUUUU TSKA 10.9 2.3 6.1 -45.4 19.1 -24.7 9590 UUUUUUU USNX 111.5 27.9 83.4 -57.3 127.1 20.7 9960 NNNNNNN VSLD 5.4 3.4 11.2 8.0 6.1 16.8 9900 UUUUUUU YARR 9.9 2.2 5.9 -12.4 -12.1 -22.2 9920 UUUUUUU ZIMZ 3.9 1.3 2.7 25.9 6.8 4.3 9650 UUUUUUU Remarks: 3SNA, CSIR, SANG and USNX are sites with only few useable observations GATR, MDOA and SVT3 are sites with L1/L2 receivers where only the GLONASS observations were used SUTG has single frequency data