PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/12-00:57:50 G08 314.8 16.2 8.7 +/- 3.86 21.0 +/- 3.86 0.110 / 0.070 G10 318.4 57.5 12.3 +/- 0.84 14.3 +/- 0.84 0.090 / 0.100 G14 214.7 22.4 17.7 +/- 1.66 36.8 +/- 1.66 0.040 / 0.050 G15 45.9 19.8 7.8 +/- 3.28 17.3 +/- 3.28 0.040 / 0.040 G20 315.7 56.6 11.5 +/- 2.28 13.5 +/- 2.28 0.110 / 0.110 G21 124.8 65.3 13.2 +/- 1.34 14.4 +/- 1.34 0.070 / 0.090 G24 81.1 29.3 12.8 +/- 1.61 22.7 +/- 1.61 0.170 / 0.190 G27 285.1 37.5 12.4 +/- 1.22 18.8 +/- 1.22 0.210 / 0.330 G32 217.2 46.8 16.4 +/- 1.27 21.6 +/- 1.27 0.320 / 0.230