PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/09-00:58:00 G08 318.7 13.1 7.1 +/- 0.82 18.5 +/- 0.82 0.060 / 0.090 G10 309.0 55.3 7.8 +/- 0.77 9.3 +/- 0.77 0.050 / 0.080 G14 212.6 17.2 13.5 +/- 2.46 31.9 +/- 2.46 0.100 / 0.240 G15 45.8 24.5 7.1 +/- 0.62 14.1 +/- 0.62 0.110 / 0.350 G20 309.7 55.0 8.5 +/- 0.57 10.1 +/- 0.57 0.050 / 0.040 G21 114.7 69.9 10.3 +/- 1.26 10.9 +/- 1.26 0.050 / 0.050 G24 87.5 28.5 8.7 +/- 0.60 15.8 +/- 0.60 0.090 / 0.140 G27 292.1 36.6 8.9 +/- 0.75 13.7 +/- 0.75 0.080 / 0.120 G32 213.8 41.2 11.6 +/- 0.50 16.6 +/- 0.50 0.140 / 0.280