PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/04-02:58:10 G08 276.2 21.5 9.8 +/- 2.46 20.8 +/- 2.46 0.080 / 0.240 G10 42.0 61.5 6.5 +/- 0.48 7.3 +/- 0.48 0.170 / 0.260 G14 247.2 57.9 12.1 +/- 0.94 14.0 +/- 0.94 0.040 / 0.070 G18 316.1 23.3 6.9 +/- 3.56 14.0 +/- 3.56 0.040 / 0.070 G20 55.0 63.8 17.9 +/- 0.58 19.7 +/- 0.58 0.110 / 0.300 G21 152.9 25.9 8.7 +/- 2.22 16.7 +/- 2.22 0.110 / 0.310 G24 43.6 15.7 5.1 +/- 1.07 12.4 +/- 1.07 0.030 / 0.040 G27 239.7 22.5 8.6 +/- 3.20 17.9 +/- 3.20 0.030 / 0.030 G31 178.8 22.3 10.3 +/- 2.23 21.4 +/- 2.23 0.110 / 0.160 G32 305.9 76.9 8.3 +/- 0.83 8.5 +/- 0.83 0.100 / 0.180