PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/12-21:42:40 G08 289.2 23.7 10.7 +/- 0.75 21.5 +/- 0.75 0.110 / 0.120 G10 13.4 63.0 9.8 +/- 0.77 10.8 +/- 0.77 0.150 / 0.090 G14 231.8 48.3 12.1 +/- 1.72 15.6 +/- 1.72 0.040 / 0.090 G18 317.6 13.1 9.1 +/- 1.48 23.6 +/- 1.48 0.050 / 0.080 G20 68.6 51.0 11.0 +/- 1.15 13.7 +/- 1.15 0.090 / 0.120 G21 147.6 37.4 12.0 +/- 0.72 18.2 +/- 0.72 0.070 / 0.090 G24 51.7 22.3 9.5 +/- 4.12 19.9 +/- 4.12 0.120 / 0.170 G27 253.5 30.6 14.2 +/- 2.22 24.5 +/- 2.22 0.110 / 0.170 G32 251.7 70.3 11.5 +/- 0.46 12.1 +/- 0.46 0.140 / 0.290