PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/14-22:58:00 G01 317.8 21.1 8.5 +/- 6.27 18.3 +/- 6.27 0.130 / 0.340 G08 252.4 11.2 12.7 +/- 2.49 34.5 +/- 2.49 0.170 / 0.330 G10 85.7 50.6 12.6 +/- 0.63 15.8 +/- 0.63 0.130 / 0.250 G11 298.6 25.3 11.7 +/- 1.30 22.7 +/- 1.30 0.110 / 0.210 G14 308.4 71.1 12.1 +/- 0.86 12.7 +/- 0.86 0.060 / 0.060 G18 299.6 44.3 12.9 +/- 1.19 17.5 +/- 1.19 0.060 / 0.050 G20 108.5 26.4 14.4 +/- 1.34 27.2 +/- 1.34 0.120 / 0.400 G22 302.5 12.3 10.0 +/- 3.78 26.5 +/- 3.78 0.120 / 0.460 G31 175.4 45.8 14.8 +/- 1.41 19.8 +/- 1.41 0.080 / 0.220 G32 15.6 64.3 10.4 +/- 0.64 11.4 +/- 0.64 0.090 / 0.220