PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/08-06:57:30 G08 276.2 20.3 5.0 +/- 2.01 10.9 +/- 2.01 0.040 / 0.060 G10 47.1 60.9 5.4 +/- 0.64 6.1 +/- 0.64 0.040 / 0.050 G14 249.9 57.6 6.2 +/- 1.03 7.2 +/- 1.03 0.150 / 0.180 G18 315.6 25.0 4.6 +/- 1.53 8.9 +/- 1.53 0.110 / 0.180 G20 92.1 34.3 4.7 +/- 1.10 7.5 +/- 1.10 0.120 / 0.370 G21 153.4 22.8 5.9 +/- 1.63 12.1 +/- 1.63 0.140 / 0.410 G24 42.7 14.6 2.8 +/- 3.27 7.1 +/- 3.27 0.230 / 0.300 G27 237.2 20.6 6.6 +/- 2.51 14.3 +/- 2.51 0.200 / 0.270 G31 178.2 25.0 4.0 +/- 1.80 7.9 +/- 1.80 0.220 / 0.300 G32 318.3 76.6 5.9 +/- 0.83 6.1 +/- 0.83 0.140 / 0.400