PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/19-02:42:30 G08 313.2 17.0 8.1 +/- 2.68 19.1 +/- 2.68 0.060 / 0.070 G10 323.8 58.6 9.0 +/- 0.83 10.4 +/- 0.83 0.060 / 0.080 G14 216.1 24.4 11.8 +/- 5.23 23.4 +/- 5.23 0.100 / 0.300 G15 46.2 16.4 5.2 +/- 0.75 12.4 +/- 0.75 0.100 / 0.320 G20 349.7 64.5 9.8 +/- 0.43 10.7 +/- 0.43 0.040 / 0.050 G21 129.1 62.3 9.7 +/- 0.67 10.8 +/- 0.67 0.040 / 0.060 G24 77.9 29.6 7.7 +/- 0.79 13.6 +/- 0.79 0.070 / 0.120 G27 280.8 37.7 9.0 +/- 0.94 13.6 +/- 0.94 0.290 / 0.320 G32 219.5 49.9 9.9 +/- 0.88 12.5 +/- 0.88 0.040 / 0.030