PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/09-02:43:00 G08 273.9 21.0 8.9 +/- 1.73 19.2 +/- 1.73 0.090 / 0.170 G10 46.2 60.9 8.3 +/- 0.47 9.3 +/- 0.47 0.070 / 0.160 G14 250.4 59.6 11.2 +/- 0.57 12.8 +/- 0.57 0.050 / 0.060 G18 315.5 25.2 5.6 +/- 2.88 11.0 +/- 2.88 0.050 / 0.060 G20 53.6 64.9 12.1 +/- 0.72 13.2 +/- 0.72 0.030 / 0.030 G21 153.4 23.9 9.4 +/- 1.68 18.8 +/- 1.68 0.030 / 0.040 G24 42.5 14.2 6.2 +/- 2.10 15.7 +/- 2.10 0.090 / 0.150 G27 238.0 21.1 11.8 +/- 0.93 25.2 +/- 0.93 0.060 / 0.160 G31 178.3 24.2 9.6 +/- 1.31 19.1 +/- 1.31 0.140 / 0.230 G32 315.5 76.7 9.3 +/- 1.08 9.5 +/- 1.08 0.140 / 0.270