PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/26-21:42:50 G08 262.6 17.0 12.2 +/- 1.21 28.8 +/- 1.21 0.030 / 0.040 G10 67.1 56.7 11.3 +/- 1.23 13.3 +/- 1.23 0.030 / 0.050 G11 308.7 19.8 9.5 +/- 1.70 21.0 +/- 1.70 0.090 / 0.210 G14 273.9 67.9 12.1 +/- 0.79 13.0 +/- 0.79 0.090 / 0.370 G18 309.9 36.0 10.7 +/- 0.84 16.7 +/- 0.84 0.180 / 0.340 G20 98.3 34.6 10.2 +/- 1.27 16.3 +/- 1.27 0.270 / 0.450 G21 154.9 11.5 14.2 +/- 3.54 38.2 +/- 3.54 0.240 / 0.400 G27 231.1 14.3 14.3 +/- 1.90 36.1 +/- 1.90 0.160 / 0.210 G31 178.5 32.6 14.5 +/- 3.33 24.1 +/- 3.33 0.150 / 0.200 G32 349.8 72.5 11.2 +/- 0.50 11.7 +/- 0.50 0.160 / 0.220