PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/25-21:43:00 G08 292.1 23.3 11.8 +/- 1.21 24.0 +/- 1.21 0.040 / 0.120 G10 5.8 63.1 10.3 +/- 0.62 11.4 +/- 0.62 0.040 / 0.130 G14 230.4 47.7 15.4 +/- 1.66 20.0 +/- 1.66 0.120 / 0.110 G18 64.3 50.6 12.3 +/- 0.73 15.4 +/- 0.73 0.140 / 0.110 G21 145.7 37.2 14.4 +/- 0.99 21.9 +/- 0.99 0.050 / 0.120 G24 57.1 26.6 11.0 +/- 1.42 20.8 +/- 1.42 0.050 / 0.100 G27 252.5 31.3 15.3 +/- 0.94 26.1 +/- 0.94 0.070 / 0.080 G32 244.6 65.1 13.8 +/- 1.52 15.0 +/- 1.52 0.070 / 0.100