PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/13-20:28:10 G08 317.8 14.0 14.6 +/- 1.03 37.2 +/- 1.03 0.060 / 0.080 G10 310.4 55.7 14.9 +/- 0.97 17.6 +/- 0.97 0.060 / 0.080 G14 212.6 19.0 17.0 +/- 2.79 38.4 +/- 2.79 0.030 / 0.050 G15 45.8 24.6 14.7 +/- 0.81 29.0 +/- 0.81 0.030 / 0.040 G20 11.7 64.3 15.7 +/- 0.46 17.3 +/- 0.46 0.160 / 0.450 G21 117.4 67.6 16.8 +/- 0.46 18.0 +/- 0.46 0.130 / 0.550 G24 85.0 28.2 16.1 +/- 0.90 29.3 +/- 0.90 0.070 / 0.140 G27 292.6 36.1 16.9 +/- 1.21 26.3 +/- 1.21 0.070 / 0.140 G32 214.3 40.7 18.8 +/- 1.03 27.1 +/- 1.03 0.110 / 0.260