PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/16-01:27:50 G08 295.7 23.2 8.9 +/- 1.52 18.0 +/- 1.52 0.070 / 0.110 G10 0.2 62.8 7.1 +/- 0.71 7.9 +/- 0.71 0.070 / 0.130 G14 226.8 42.0 14.2 +/- 1.66 20.0 +/- 1.66 0.050 / 0.070 G20 350.2 64.7 20.4 +/- 0.62 22.3 +/- 0.62 0.050 / 0.080 G21 144.8 45.0 11.0 +/- 1.31 14.9 +/- 1.31 0.040 / 0.100 G24 58.0 25.9 7.5 +/- 1.82 14.3 +/- 1.82 0.050 / 0.090 G27 258.5 33.3 11.4 +/- 1.48 18.6 +/- 1.48 0.080 / 0.100 G32 240.7 66.9 11.4 +/- 0.75 12.3 +/- 0.75 0.070 / 0.140