PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/07-18:12:30 G02 298.7 80.5 8.7 +/- 0.80 8.8 +/- 0.80 0.050 / 0.090 G05 167.0 28.0 11.3 +/- 1.65 20.7 +/- 1.65 0.060 / 0.100 G06 41.0 43.2 6.9 +/- 0.28 9.6 +/- 0.28 0.030 / 0.040 G12 317.5 70.3 7.1 +/- 0.80 7.5 +/- 0.80 0.030 / 0.050 G17 82.1 13.7 9.1 +/- 1.78 23.4 +/- 1.78 0.090 / 0.190 G19 67.9 33.3 9.4 +/- 0.83 15.4 +/- 0.83 0.110 / 0.170 G24 231.1 26.0 13.3 +/- 4.91 25.4 +/- 4.91 0.100 / 0.170 G25 317.7 24.6 9.4 +/- 1.73 18.5 +/- 1.73 0.070 / 0.190