PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/14-02:43:00 G08 290.7 23.6 9.7 +/- 1.56 19.5 +/- 1.56 0.080 / 0.110 G10 6.8 63.2 7.1 +/- 0.63 7.8 +/- 0.63 0.070 / 0.120 G14 231.2 49.0 10.7 +/- 1.54 13.7 +/- 1.54 0.030 / 0.040 G18 63.1 51.8 7.7 +/- 0.61 9.5 +/- 0.61 0.030 / 0.040 G21 146.4 39.3 10.4 +/- 0.74 15.3 +/- 0.74 0.050 / 0.110 G24 56.6 26.3 7.2 +/- 0.92 13.7 +/- 0.92 0.050 / 0.100 G27 251.7 31.0 13.0 +/- 1.32 22.3 +/- 1.32 0.060 / 0.090 G32 246.8 66.9 8.5 +/- 0.58 9.2 +/- 0.58 0.050 / 0.070