PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/04/05-02:13:10 G02 241.9 77.2 8.6 +/- 0.47 8.8 +/- 0.47 0.040 / 0.040 G05 170.8 16.7 9.6 +/- 1.26 23.0 +/- 1.26 0.040 / 0.060 G06 40.7 59.4 7.6 +/- 0.35 8.6 +/- 0.35 0.150 / 0.300 G12 321.4 50.8 7.6 +/- 0.55 9.4 +/- 0.55 0.160 / 0.290 G17 68.7 26.0 5.7 +/- 2.94 10.9 +/- 2.94 0.190 / 0.210 G19 56.3 39.4 6.7 +/- 1.79 9.8 +/- 1.79 0.040 / 0.030 G24 246.2 35.1 13.4 +/- 2.04 21.1 +/- 2.04 0.040 / 0.030 G25 316.6 11.0 -13.8 +/- 25.30 -37.5 +/- 25.30 0.140 / 0.110