PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/10-02:42:40 G08 298.4 22.8 7.5 +/- 1.49 15.4 +/- 1.49 0.030 / 0.030 G10 350.5 62.2 7.2 +/- 0.60 8.0 +/- 0.60 0.030 / 0.030 G14 224.8 42.2 11.7 +/- 1.03 16.4 +/- 1.03 0.040 / 0.060 G18 52.6 55.6 7.4 +/- 0.61 8.8 +/- 0.61 0.050 / 0.070 G21 142.1 46.8 11.3 +/- 0.96 14.9 +/- 0.96 0.070 / 0.110 G24 64.0 29.0 7.1 +/- 0.52 12.8 +/- 0.52 0.080 / 0.100 G27 260.0 34.5 10.2 +/- 1.19 16.4 +/- 1.19 0.060 / 0.080 G32 234.6 60.7 11.2 +/- 0.84 12.6 +/- 0.84 0.080 / 0.080