PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/09-23:13:00 G08 280.1 22.5 13.0 +/- 1.31 27.0 +/- 1.31 0.070 / 0.150 G10 30.7 62.8 10.4 +/- 0.64 11.5 +/- 0.64 0.070 / 0.170 G14 243.2 57.5 12.6 +/- 0.53 14.6 +/- 0.53 0.030 / 0.030 G18 77.4 44.7 11.3 +/- 0.64 15.4 +/- 0.64 0.030 / 0.030 G21 150.4 26.9 12.8 +/- 0.84 24.0 +/- 0.84 0.030 / 0.020 G24 48.0 20.8 8.7 +/- 1.38 18.8 +/- 1.38 0.030 / 0.030 G27 241.7 24.7 13.4 +/- 1.76 26.4 +/- 1.76 0.170 / 0.280 G31 183.3 13.9 15.0 +/- 1.70 38.3 +/- 1.70 0.180 / 0.350 G32 271.0 72.3 12.0 +/- 0.75 12.6 +/- 0.75 0.070 / 0.150