PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/16-00:27:40 G08 318.9 12.9 9.7 +/- 4.69 25.4 +/- 4.69 0.060 / 0.070 G10 308.0 55.0 10.0 +/- 1.41 11.9 +/- 1.41 0.060 / 0.060 G14 212.4 16.9 17.5 +/- 3.14 41.6 +/- 3.14 0.030 / 0.030 G15 45.8 25.3 8.1 +/- 2.77 15.6 +/- 2.77 0.030 / 0.050 G20 303.8 51.5 20.6 +/- 0.80 25.5 +/- 0.80 0.090 / 0.130 G21 113.3 70.5 11.6 +/- 1.07 12.3 +/- 1.07 0.090 / 0.100 G24 88.1 28.3 12.1 +/- 1.26 22.0 +/- 1.26 0.130 / 0.320 G27 292.9 36.5 9.9 +/- 2.64 15.4 +/- 2.64 0.120 / 0.340 G32 213.5 40.6 15.7 +/- 1.67 22.6 +/- 1.67 0.140 / 0.230