PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/07-14:12:30 G02 321.6 79.5 7.8 +/- 0.61 7.9 +/- 0.61 0.110 / 0.130 G05 168.3 30.0 12.3 +/- 0.78 21.6 +/- 0.78 0.090 / 0.130 G06 41.4 40.4 6.3 +/- 0.34 9.1 +/- 0.34 0.190 / 0.210 G12 311.9 72.6 6.8 +/- 0.81 7.1 +/- 0.81 0.190 / 0.210 G17 86.1 10.2 7.9 +/- 2.03 22.0 +/- 2.03 0.100 / 0.120 G19 71.7 31.2 9.0 +/- 0.55 15.4 +/- 0.55 0.060 / 0.090 G24 226.1 22.5 9.6 +/- 1.81 20.0 +/- 1.81 0.030 / 0.040 G25 316.9 30.9 6.0 +/- 1.21 10.2 +/- 1.21 0.030 / 0.030