PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/12-00:43:00 G08 265.1 17.8 8.7 +/- 1.79 20.1 +/- 1.79 0.280 / 0.290 G10 63.5 57.7 7.3 +/- 0.55 8.5 +/- 0.55 0.220 / 0.310 G11 310.4 18.4 5.4 +/- 2.13 12.4 +/- 2.13 0.040 / 0.050 G14 267.9 66.1 7.5 +/- 0.73 8.1 +/- 0.73 0.040 / 0.040 G18 311.5 33.5 5.1 +/- 0.84 8.3 +/- 0.84 0.100 / 0.200 G20 96.3 36.0 6.8 +/- 1.01 10.6 +/- 1.01 0.100 / 0.240 G21 155.0 14.4 8.3 +/- 2.44 21.0 +/- 2.44 0.030 / 0.030 G27 231.9 15.4 11.3 +/- 2.79 27.8 +/- 2.79 0.030 / 0.020 G31 177.5 32.1 10.2 +/- 2.22 17.0 +/- 2.22 0.190 / 0.470 G32 347.0 73.3 6.7 +/- 0.37 7.0 +/- 0.37 0.140 / 0.340