PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/11-23:43:00 G08 316.2 15.1 9.5 +/- 2.16 23.6 +/- 2.16 0.070 / 0.120 G10 312.2 55.8 11.0 +/- 0.84 13.0 +/- 0.84 0.070 / 0.120 G14 213.4 22.9 17.5 +/- 2.00 35.9 +/- 2.00 0.030 / 0.050 G15 45.6 19.9 10.5 +/- 1.23 23.1 +/- 1.23 0.030 / 0.050 G18 19.5 63.5 11.5 +/- 0.47 12.7 +/- 0.47 0.040 / 0.080 G20 79.0 11.0 11.7 +/- 3.81 31.9 +/- 3.81 0.040 / 0.070 G21 121.2 65.2 13.8 +/- 0.77 15.0 +/- 0.77 0.120 / 0.290 G24 87.5 29.7 13.6 +/- 1.10 24.0 +/- 1.10 0.120 / 0.310 G27 286.2 37.9 12.4 +/- 1.46 18.7 +/- 1.46 0.050 / 0.090 G32 216.4 39.7 16.1 +/- 2.02 23.5 +/- 2.02 0.050 / 0.090