From: Wolfgang Soehne Author : W. Soehne Date: 29 Jan 1999 17:06:59 Subject: [IGEXMail-0183] Wk 0990 GFZ IGEX Analysis Report Subject ****************************************************************************** IGEX Electronic Mail 29-Jan-1999 17:06:59 Message No 0183 ****************************************************************************** Author: Wolfgang Soehne Subject: Wk 0990 GFZ IGEX Analysis Report Author : W. Soehne Subject: Wk 0990 GFZ IGEX Analysis Report ****************************************************************************** GFZ IGEX ANALYSIS REPORT GPS-WEEK 0990 (DAYS 98 361-99 002, DATES 27-12-98 TO 02-01-99) ****************************************************************************** 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 - 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 362 363 364 365 001 002 -------------------------------------------------- 3 170 120 147 79 45 33 4 - 35 147 169 65 49 6 26 37 - 70 177 65 9 46 13 19 12 20 45 10 - - - - - - 11 89 71 32 13 20 22 13 128 19 64 52 52 13 16 161 133 - - - 128 17 91 59 89 120 80 166 20 63 119 116 92 66 83 22 65 113 171 146 151 91 REPEATABILITY OF STATION COORDINATE SOLUTIONS by Residuals of Helmert-transformation (units:mm) YEARs: 98/99 DAYS: 361 to 002 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 361 UP NORTH EAST UP NORTH EAST | -------------------------------------------------------------------------------- 3SNA 7.8 9.8 8.5 -4.9 15.5 5.8 9730 .....UU BIPD 2.5 7.6 17.1 1.6 28.7 2.7 9990 U.UUU.. BISZ 21.6 40.0 60.8 3.3 -91.1 17.5 9580 UUUNNN. BORG 2.1 3.9 7.1 -2.7 -6.2 -1.8 9680 UU.UUU. BRUG 1.5 2.8 3.7 -1.8 -4.0 -1.7 9670 UUUU.UU CRAR 19.1 23.7 12.2 -26.4 60.3 9.3 9480 UNUNU.. CSIR 220.0 216.9 201.9 -383.1 -313.5 -100.9 9700 NNN.N.. GODZ 3.8 7.1 9.3 6.2 -4.8 1.8 9690 UUUUUU. GRAB 1.4 4.2 4.4 -2.0 -1.0 -.9 9570 UUUU.UU HERP 2.7 4.4 4.6 .9 25.5 -5.9 9790 UUUUU.N IRKZ 1.0 2.2 3.8 .8 2.4 2.7 9760 UU.U.UU KHAB 5.0 4.8 5.4 .8 .8 -2.2 9770 UU.UUUU KR0G 2.4 4.8 6.4 -.9 -.6 -1.2 9820 UUUUUUU LDS1 .5 1.1 .1 -2.0 -1.4 1.2 9880 ....UUU LRBA 1.3 2.3 4.0 -1.2 -3.6 -1.0 9910 UUUUUUU MDVZ 1.6 12.1 38.4 -.6 15.6 -26.7 9780 ....UUU METZ 1.8 5.4 6.6 -3.1 -1.8 1.7 9830 ..UUUUU MTKA 6.1 6.5 9.1 -.7 2.4 6.6 9870 UUUUUUU NPLC 5.0 4.7 14.4 1.0 -2.1 -.8 9970 UUUUUNU OS0G 1.3 2.9 5.6 -1.8 -2.6 -2.0 9930 UUU.UUU REUN 5.1 16.3 10.0 10.1 -1.1 -24.0 9490 .UUUUUU REYZ 1.8 1.7 3.7 .4 -3.7 .6 9710 UUUUUUU RIOZ 59.8 66.2 120.2 -107.8 235.0 -32.5 9610 NNNNN.. SANG .0 .0 .0 13.3 -44.0 50.8 9620 U...... SL1X 3.6 6.8 6.1 4.9 -5.3 5.0 9950 U.UUUU. STRR .0 .0 .0 9.1 5.9 23.9 9560 ......N SUTG 41.3 57.9 97.1 -28.8 -38.2 73.2 9550 NUNUU.. THU2 3.6 7.2 1.2 2.3 -6.9 -5.3 9630 .UU..UU TSKA .0 .0 .0 2.1 -.1 4.0 9590 ......U USNX 3.9 9.2 9.2 .9 10.9 -2.1 9960 UUU.UUU VSLD 2.9 4.1 8.6 7.6 33.1 9.2 9900 ..UUUNN WTZR 2.3 6.6 4.5 -.9 -4.0 -.1 9510 U..U.U. YARR 12.8 21.0 6.2 -13.3 -23.4 -9.4 9920 UU....U ZIMZ 1.4 3.5 4.7 -1.7 -3.5 .4 9650 UUUUUUU Remarks: BISZ, RIOZ and SUTG are single frequency sites, corrected for ionosphere CSIR is a site with only few useable (i.e. phase obs. on both frequencies) GLONASS observations