PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/24-02:13:10 G08 285.0 23.3 9.2 +/- 1.56 18.6 +/- 1.56 0.080 / 0.130 G10 19.0 63.2 7.3 +/- 0.83 8.1 +/- 0.83 0.090 / 0.110 G14 236.9 53.7 10.0 +/- 1.08 12.0 +/- 1.08 0.030 / 0.040 G18 70.3 48.6 8.6 +/- 0.74 11.0 +/- 0.74 0.030 / 0.030 G21 148.8 33.6 10.8 +/- 1.73 17.6 +/- 1.73 0.080 / 0.120 G24 51.9 23.7 7.5 +/- 0.92 15.1 +/- 0.92 0.070 / 0.100 G27 246.3 27.9 10.5 +/- 1.73 19.2 +/- 1.73 0.040 / 0.070 G31 183.0 11.1 1.0 +/- 27.11 2.8 +/- 27.11 0.050 / 0.070 G32 258.9 70.6 9.0 +/- 0.66 9.5 +/- 0.66 0.060 / 0.100