PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/04/03-02:43:10 G02 298.0 82.2 3.5 +/- 0.72 3.6 +/- 0.72 0.030 / 0.040 G05 166.9 25.6 7.5 +/- 1.64 14.4 +/- 1.64 0.040 / 0.040 G06 39.9 49.7 4.0 +/- 0.91 5.0 +/- 0.91 0.110 / 0.110 G12 319.7 60.9 4.5 +/- 1.39 5.0 +/- 1.39 0.100 / 0.150 G17 77.1 20.0 4.7 +/- 1.79 10.3 +/- 1.79 0.150 / 0.150 G19 66.1 33.3 4.6 +/- 1.17 7.5 +/- 1.17 0.110 / 0.100 G24 236.4 29.1 9.4 +/- 1.96 16.8 +/- 1.96 0.110 / 0.200 G25 317.8 19.6 3.6 +/- 1.05 8.1 +/- 1.05 0.120 / 0.220