PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/04/03-14:43:10 G03 314.0 52.5 6.6 +/- 1.05 8.1 +/- 1.05 0.060 / 0.090 G14 63.4 40.2 7.2 +/- 1.92 10.4 +/- 1.92 0.060 / 0.080 G16 159.9 23.6 -0.5 +/- 17.80 -1.0 +/- 17.80 0.060 / 0.060 G18 218.1 23.8 10.1 +/- 3.39 20.2 +/- 3.39 0.080 / 0.060 G22 289.4 74.3 8.7 +/- 0.66 9.0 +/- 0.66 0.100 / 0.160 G23 292.1 25.5 7.8 +/- 1.59 15.1 +/- 1.59 0.090 / 0.170 G26 129.1 42.6 9.6 +/- 1.32 13.4 +/- 1.32 0.030 / 0.030 G31 40.7 51.4 6.8 +/- 0.44 8.5 +/- 0.44 0.040 / 0.030 G32 82.3 18.5 6.3 +/- 2.04 14.3 +/- 2.04 0.050 / 0.060