PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/14-17:43:00 G05 46.9 24.0 6.8 +/- 1.48 13.6 +/- 1.48 0.100 / 0.360 G13 80.5 36.2 8.2 +/- 0.52 12.8 +/- 0.52 0.090 / 0.370 G15 135.9 48.7 11.3 +/- 1.32 14.4 +/- 1.32 0.070 / 0.090 G16 317.2 11.1 3.9 +/- 8.53 10.5 +/- 8.53 0.050 / 0.090 G20 244.7 33.9 10.8 +/- 1.30 17.5 +/- 1.30 0.160 / 0.560 G21 310.3 45.0 8.4 +/- 1.29 11.3 +/- 1.29 0.120 / 0.430 G25 198.8 12.5 8.6 +/- 1.52 22.6 +/- 1.52 0.070 / 0.130 G26 291.9 20.3 10.4 +/- 1.61 22.6 +/- 1.61 0.080 / 0.120 G29 150.5 77.0 10.0 +/- 0.61 10.2 +/- 0.61 0.050 / 0.120