PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/11-02:43:00 G08 296.5 23.1 9.8 +/- 0.52 19.9 +/- 0.52 0.040 / 0.030 G10 354.5 62.5 8.9 +/- 0.54 9.9 +/- 0.54 0.040 / 0.030 G14 226.3 43.9 12.1 +/- 2.54 16.6 +/- 2.54 0.020 / 0.020 G18 55.3 54.7 9.9 +/- 0.94 11.8 +/- 0.94 0.020 / 0.020 G21 143.3 44.9 11.9 +/- 0.58 16.0 +/- 0.58 0.040 / 0.040 G24 62.1 28.4 8.6 +/- 1.24 15.6 +/- 1.24 0.040 / 0.050 G27 257.9 33.7 12.9 +/- 1.14 21.0 +/- 1.14 0.050 / 0.080 G32 237.3 62.3 11.0 +/- 1.49 12.2 +/- 1.49 0.050 / 0.080