PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/11-00:12:50 G01 318.4 20.7 6.5 +/- 2.40 14.0 +/- 2.40 0.040 / 0.050 G08 259.5 12.9 8.6 +/- 2.96 22.4 +/- 2.96 0.040 / 0.050 G10 82.6 50.8 8.3 +/- 0.61 10.4 +/- 0.61 0.250 / 0.280 G11 303.2 22.3 6.7 +/- 1.19 13.9 +/- 1.19 0.200 / 0.270 G14 293.8 69.9 7.4 +/- 0.49 7.8 +/- 0.49 0.160 / 0.250 G18 303.4 41.9 7.7 +/- 1.39 10.8 +/- 1.39 0.150 / 0.320 G20 107.0 27.3 9.7 +/- 1.17 17.9 +/- 1.17 0.050 / 0.080 G31 174.1 44.4 9.6 +/- 0.81 13.1 +/- 0.81 0.050 / 0.100 G32 10.3 66.6 6.2 +/- 0.72 6.7 +/- 0.72 0.030 / 0.040