PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/10-13:42:30 G02 203.6 25.5 8.0 +/- 1.23 15.5 +/- 1.23 0.130 / 0.280 G06 162.6 64.9 10.0 +/- 0.52 10.9 +/- 0.52 0.070 / 0.200 G12 305.9 14.9 3.6 +/- 2.09 8.9 +/- 2.09 0.060 / 0.080 G17 32.8 51.6 8.6 +/- 1.40 10.6 +/- 1.40 0.070 / 0.100 G19 336.0 68.6 8.1 +/- 0.33 8.7 +/- 0.33 0.030 / 0.030 G24 300.8 37.4 6.0 +/- 1.05 9.1 +/- 1.05 0.030 / 0.020 G28 97.3 34.9 10.2 +/- 0.83 16.2 +/- 0.83 0.030 / 0.030