PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/11-02:57:40 G08 263.6 17.1 12.4 +/- 3.66 29.3 +/- 3.66 0.200 / 0.330 G10 66.4 57.1 7.6 +/- 0.31 8.8 +/- 0.31 0.290 / 0.390 G11 309.2 19.3 8.2 +/- 0.81 18.4 +/- 0.81 0.130 / 0.280 G14 271.1 66.5 9.7 +/- 0.90 10.5 +/- 0.90 0.120 / 0.270 G18 310.8 34.1 7.7 +/- 1.80 12.4 +/- 1.80 0.040 / 0.070 G20 74.2 61.4 11.4 +/- 0.81 12.8 +/- 0.81 0.040 / 0.060 G21 155.5 13.7 9.7 +/- 3.10 25.0 +/- 3.10 0.200 / 0.350 G27 229.9 14.1 11.8 +/- 2.25 30.0 +/- 2.25 0.200 / 0.370 G31 176.0 35.0 12.3 +/- 1.77 19.6 +/- 1.77 0.100 / 0.370 G32 354.1 72.0 8.4 +/- 0.46 8.8 +/- 0.46 0.080 / 0.500