PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/05-05:12:40 G01 222.2 13.0 5.4 +/- 4.09 14.1 +/- 4.09 0.040 / 0.040 G03 276.1 68.4 4.8 +/- 1.03 5.1 +/- 1.03 0.030 / 0.040 G09 298.7 14.3 3.2 +/- 2.01 8.2 +/- 2.01 0.110 / 0.190 G14 91.5 20.9 3.9 +/- 1.18 8.3 +/- 1.18 0.120 / 0.230 G16 136.0 51.8 6.1 +/- 0.44 7.6 +/- 0.44 0.060 / 0.060 G22 210.2 66.3 4.2 +/- 0.46 4.6 +/- 0.46 0.060 / 0.080 G23 310.8 40.3 3.9 +/- 1.06 5.7 +/- 1.06 0.150 / 0.340 G26 82.5 53.2 5.6 +/- 0.86 6.8 +/- 0.86 0.120 / 0.280 G31 48.3 25.2 3.0 +/- 1.60 5.8 +/- 1.60 0.040 / 0.060