PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/26-21:42:40 G08 262.6 17.0 12.9 +/- 1.08 30.6 +/- 1.08 0.130 / 0.250 G10 67.1 56.7 9.6 +/- 0.31 11.2 +/- 0.31 0.200 / 0.360 G11 308.7 19.8 10.6 +/- 0.72 23.5 +/- 0.72 0.130 / 0.450 G14 273.9 67.9 12.6 +/- 0.76 13.5 +/- 0.76 0.210 / 0.460 G18 309.9 36.0 10.2 +/- 2.94 15.9 +/- 2.94 0.040 / 0.060 G20 98.3 34.6 10.3 +/- 0.68 16.5 +/- 0.68 0.040 / 0.060 G21 154.9 11.5 12.1 +/- 3.56 32.6 +/- 3.56 0.110 / 0.280 G27 231.1 14.3 15.1 +/- 1.17 38.1 +/- 1.17 0.120 / 0.320 G31 178.5 32.6 14.5 +/- 1.54 24.1 +/- 1.54 0.150 / 0.380 G32 349.8 72.5 11.9 +/- 0.61 12.4 +/- 0.61 0.160 / 0.390