PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/16-00:12:50 G08 271.0 20.2 7.8 +/- 1.64 17.1 +/- 1.64 0.160 / 0.290 G10 51.7 60.0 9.2 +/- 0.86 10.5 +/- 0.86 0.160 / 0.230 G14 255.4 62.2 7.7 +/- 0.70 8.6 +/- 0.70 0.040 / 0.050 G18 314.5 28.3 6.0 +/- 2.01 10.9 +/- 2.01 0.040 / 0.040 G20 90.1 40.1 8.4 +/- 1.19 12.3 +/- 1.19 0.110 / 0.410 G21 153.8 20.3 9.7 +/- 1.69 21.1 +/- 1.69 0.300 / 0.290 G24 40.8 11.6 7.4 +/- 2.45 20.0 +/- 2.45 0.160 / 0.350 G27 236.7 19.6 9.7 +/- 3.09 21.6 +/- 3.09 0.160 / 0.220 G31 178.9 25.6 9.9 +/- 2.97 19.0 +/- 2.97 0.120 / 0.260 G32 323.8 76.1 8.2 +/- 0.66 8.5 +/- 0.66 0.110 / 0.290