PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/12-23:12:40 G10 294.4 50.3 2.1 +/- 33.79 2.7 +/- 33.79 0.070 / 0.200 G14 209.7 12.1 22.5 +/- 7.15 60.0 +/- 7.15 0.070 / 0.200 G15 46.4 30.1 2.6 +/- 35.96 4.5 +/- 35.96 0.070 / 0.130 G18 354.3 66.3 9.5 +/- 9.61 10.3 +/- 9.61 0.070 / 0.140 G20 70.6 18.5 12.5 +/- 2.83 28.5 +/- 2.83 0.070 / 0.150 G21 93.9 73.9 13.7 +/- 2.30 14.2 +/- 2.30 0.090 / 0.140 G24 100.6 25.9 16.3 +/- 3.11 31.1 +/- 3.11 0.080 / 0.230 G27 300.3 34.6 5.9 +/- 33.66 9.4 +/- 33.66 0.070 / 0.060 G32 210.8 28.2 15.6 +/- 16.16 28.4 +/- 16.16 0.050 / 0.050