PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/10-21:57:40 G08 286.0 23.6 11.8 +/- 1.15 23.9 +/- 1.15 0.120 / 0.130 G10 20.3 62.9 12.9 +/- 0.74 14.3 +/- 0.74 0.100 / 0.110 G14 234.9 50.9 17.0 +/- 1.63 21.3 +/- 1.63 0.070 / 0.120 G18 317.5 15.8 10.2 +/- 2.07 24.9 +/- 2.07 0.060 / 0.110 G20 72.7 49.2 14.6 +/- 0.97 18.6 +/- 0.97 0.090 / 0.070 G21 149.0 34.4 16.7 +/- 2.21 26.8 +/- 2.21 0.080 / 0.080 G24 49.3 20.7 12.6 +/- 2.13 27.3 +/- 2.13 0.110 / 0.150 G27 250.3 28.9 16.3 +/- 2.70 29.1 +/- 2.70 0.110 / 0.150 G31 182.9 10.9 1.6 +/- 30.57 4.4 +/- 30.57 0.240 / 0.260 G32 260.2 72.5 14.9 +/- 0.44 15.5 +/- 0.44 0.300 / 0.350