PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/09-02:13:10 G08 312.1 17.9 6.5 +/- 2.21 15.1 +/- 2.21 0.050 / 0.040 G10 321.3 57.9 8.2 +/- 0.75 9.5 +/- 0.75 0.040 / 0.040 G14 215.7 28.1 11.1 +/- 1.75 20.2 +/- 1.75 0.070 / 0.130 G15 46.0 16.6 6.2 +/- 0.62 14.9 +/- 0.62 0.060 / 0.110 G18 27.8 62.0 9.5 +/- 0.47 10.6 +/- 0.47 0.030 / 0.040 G21 128.5 61.4 9.9 +/- 0.59 11.1 +/- 0.59 0.030 / 0.030 G24 81.2 30.5 9.1 +/- 0.98 15.8 +/- 0.98 0.080 / 0.230 G27 279.1 38.1 9.0 +/- 1.90 13.5 +/- 1.90 0.080 / 0.230 G32 219.8 46.4 11.0 +/- 0.58 14.5 +/- 0.58 0.060 / 0.070