PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/25-23:43:10 G08 319.5 12.4 14.6 +/- 20.36 38.6 +/- 20.36 0.080 / 0.070 G10 305.8 54.5 18.8 +/- 1.30 22.6 +/- 1.30 0.080 / 0.060 G14 211.8 15.9 31.2 +/- 2.26 75.9 +/- 2.26 0.030 / 0.030 G15 45.9 26.9 13.6 +/- 1.40 25.4 +/- 1.40 0.030 / 0.030 G20 296.4 46.0 14.8 +/- 0.67 19.7 +/- 0.67 0.100 / 0.090 G21 109.9 71.6 19.6 +/- 0.63 20.5 +/- 0.63 0.110 / 0.110 G24 89.6 27.9 16.9 +/- 0.93 30.9 +/- 0.93 0.130 / 0.430 G27 294.6 36.0 20.1 +/- 2.09 31.3 +/- 2.09 0.150 / 0.380 G32 212.7 39.2 25.5 +/- 1.48 37.6 +/- 1.48 0.210 / 0.410