PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/10-01:13:00 G08 281.0 22.8 8.4 +/- 1.05 17.3 +/- 1.05 0.070 / 0.160 G10 27.8 63.0 8.8 +/- 0.59 9.7 +/- 0.59 0.080 / 0.140 G14 241.7 56.9 10.0 +/- 0.86 11.7 +/- 0.86 0.070 / 0.150 G18 75.3 46.0 9.3 +/- 0.48 12.3 +/- 0.48 0.070 / 0.180 G21 150.1 29.2 9.6 +/- 1.03 17.2 +/- 1.03 0.020 / 0.030 G24 48.9 21.6 8.3 +/- 0.83 17.5 +/- 0.83 0.030 / 0.030 G27 242.7 25.5 9.6 +/- 1.87 18.6 +/- 1.87 0.070 / 0.120 G31 182.6 14.0 12.8 +/- 1.42 32.5 +/- 1.42 0.100 / 0.120 G32 268.9 72.3 9.5 +/- 0.62 9.9 +/- 0.62 0.070 / 0.250