PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/14-02:27:40 G08 297.8 22.9 8.8 +/- 1.06 18.1 +/- 1.06 0.090 / 0.110 G10 351.9 62.3 6.3 +/- 0.82 7.1 +/- 0.82 0.060 / 0.120 G14 225.3 42.8 11.2 +/- 0.65 15.7 +/- 0.65 0.030 / 0.030 G18 53.7 55.2 6.8 +/- 0.55 8.1 +/- 0.55 0.030 / 0.030 G21 142.5 46.1 10.7 +/- 1.11 14.2 +/- 1.11 0.060 / 0.070 G24 63.4 28.8 6.2 +/- 0.79 11.1 +/- 0.79 0.050 / 0.070 G27 259.3 34.3 11.0 +/- 1.14 17.8 +/- 1.14 0.080 / 0.110 G32 235.4 61.1 10.9 +/- 0.84 12.2 +/- 0.84 0.070 / 0.080