PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/16-21:27:40 G08 288.5 23.7 10.6 +/- 0.94 21.3 +/- 0.94 0.070 / 0.110 G10 14.9 63.0 10.3 +/- 0.62 11.4 +/- 0.62 0.070 / 0.120 G14 232.4 48.9 13.0 +/- 0.80 16.6 +/- 0.80 0.050 / 0.110 G18 317.6 13.7 9.8 +/- 2.17 25.2 +/- 2.17 0.050 / 0.090 G20 69.5 50.6 11.0 +/- 0.66 13.7 +/- 0.66 0.060 / 0.070 G21 147.9 36.6 11.6 +/- 1.07 17.9 +/- 1.07 0.070 / 0.060 G24 51.1 21.9 8.5 +/- 1.44 17.8 +/- 1.44 0.110 / 0.180 G27 252.9 30.2 12.6 +/- 1.19 22.0 +/- 1.19 0.110 / 0.190 G32 253.2 70.7 11.5 +/- 0.62 12.1 +/- 0.62 0.090 / 0.240