PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/26-23:27:50 G08 270.8 20.2 7.7 +/- 1.54 16.9 +/- 1.54 0.120 / 0.250 G10 51.8 60.0 9.0 +/- 0.82 10.3 +/- 0.82 0.150 / 0.350 G14 255.6 62.5 8.5 +/- 0.77 9.5 +/- 0.77 0.100 / 0.280 G18 314.4 28.5 6.4 +/- 1.89 11.5 +/- 1.89 0.270 / 0.320 G20 90.1 40.0 8.8 +/- 0.98 12.8 +/- 0.98 0.050 / 0.040 G21 153.8 20.1 9.5 +/- 2.32 20.9 +/- 2.32 0.050 / 0.040 G24 40.7 11.4 7.9 +/- 2.26 21.4 +/- 2.26 0.170 / 0.220 G27 236.8 19.6 9.3 +/- 1.75 20.6 +/- 1.75 0.220 / 0.210 G31 179.1 25.4 9.7 +/- 1.71 18.9 +/- 1.71 0.130 / 0.230 G32 323.1 76.1 8.6 +/- 0.60 8.8 +/- 0.60 0.120 / 0.240