PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/06-22:42:30 G10 297.9 52.1 10.9 +/- 1.83 13.5 +/- 1.83 0.060 / 0.080 G14 210.4 11.0 -5.6 +/- 15.37 -15.2 +/- 15.37 0.070 / 0.080 G15 46.9 33.2 9.3 +/- 1.62 15.2 +/- 1.62 0.200 / 0.350 G20 352.8 65.4 10.7 +/- 0.47 11.7 +/- 0.47 0.180 / 0.400 G21 96.5 74.2 12.1 +/- 0.49 12.5 +/- 0.49 0.080 / 0.100 G24 94.8 26.3 11.4 +/- 2.32 21.7 +/- 2.32 0.080 / 0.110 G27 301.0 33.7 8.8 +/- 2.46 14.2 +/- 2.46 0.030 / 0.030 G32 210.4 33.4 13.1 +/- 1.66 21.5 +/- 1.66 0.030 / 0.030