PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/01/13-16:12:30 G08 295.5 22.3 6.0 +/- 1.69 12.6 +/- 1.69 0.050 / 0.110 G10 3.6 63.0 6.0 +/- 0.46 6.6 +/- 0.46 0.070 / 0.130 G14 229.1 44.9 9.8 +/- 2.15 13.3 +/- 2.15 0.050 / 0.090 G18 64.4 50.0 7.6 +/- 0.39 9.6 +/- 0.39 0.050 / 0.090 G21 145.0 37.5 10.8 +/- 1.15 16.4 +/- 1.15 0.050 / 0.100 G24 57.9 26.8 7.1 +/- 1.33 13.4 +/- 1.33 0.050 / 0.090 G27 254.2 32.0 7.1 +/- 1.31 12.0 +/- 1.31 0.080 / 0.080 G32 244.1 66.7 10.8 +/- 0.87 11.7 +/- 0.87 0.070 / 0.080