PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/15-21:27:50 G01 305.6 34.6 8.0 +/- 1.60 12.8 +/- 1.60 0.080 / 0.150 G10 108.0 38.0 10.9 +/- 1.01 16.3 +/- 1.01 0.070 / 0.150 G11 278.1 28.3 8.4 +/- 1.32 15.2 +/- 1.32 0.070 / 0.090 G14 1.7 66.0 9.6 +/- 0.80 10.4 +/- 0.80 0.080 / 0.110 G18 270.5 51.1 8.9 +/- 0.74 11.1 +/- 0.74 0.050 / 0.050 G20 121.6 12.6 10.7 +/- 1.81 28.1 +/- 1.81 0.050 / 0.050 G22 310.3 26.5 6.7 +/- 1.54 12.6 +/- 1.54 0.060 / 0.170 G25 75.7 15.9 7.8 +/- 1.51 18.9 +/- 1.51 0.070 / 0.150 G31 168.6 65.5 11.2 +/- 0.77 12.2 +/- 0.77 0.090 / 0.260 G32 38.0 51.2 9.1 +/- 0.50 11.3 +/- 0.50 0.100 / 0.310