PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/16-00:27:50 G08 318.9 12.9 7.8 +/- 2.39 20.4 +/- 2.39 0.060 / 0.090 G10 308.0 55.0 8.4 +/- 2.04 10.0 +/- 2.04 0.050 / 0.100 G14 212.4 16.9 16.1 +/- 1.18 38.4 +/- 1.18 0.030 / 0.050 G15 45.8 25.3 6.5 +/- 1.95 12.6 +/- 1.95 0.030 / 0.040 G20 303.8 51.5 17.8 +/- 1.42 22.0 +/- 1.42 0.070 / 0.230 G21 113.3 70.5 8.9 +/- 1.24 9.4 +/- 1.24 0.070 / 0.300 G24 88.1 28.3 9.4 +/- 1.49 17.0 +/- 1.49 0.090 / 0.120 G27 292.9 36.5 9.6 +/- 1.26 14.9 +/- 1.26 0.080 / 0.130 G32 213.5 40.6 14.8 +/- 0.84 21.3 +/- 0.84 0.140 / 0.270