PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/09-22:12:30 G02 309.0 81.3 9.4 +/- 1.12 9.5 +/- 1.12 0.050 / 0.100 G05 166.1 28.3 13.4 +/- 0.56 24.4 +/- 0.56 0.040 / 0.100 G06 40.7 44.7 7.6 +/- 0.52 10.2 +/- 0.52 0.080 / 0.170 G12 317.9 66.7 6.6 +/- 0.96 7.1 +/- 0.96 0.120 / 0.150 G17 80.6 16.5 9.8 +/- 0.78 23.6 +/- 0.78 0.030 / 0.040 G19 68.2 32.6 9.2 +/- 0.62 15.2 +/- 0.62 0.020 / 0.040 G24 232.6 26.7 15.3 +/- 1.15 28.7 +/- 1.15 0.090 / 0.270 G25 317.8 23.0 7.8 +/- 1.99 16.0 +/- 1.99 0.090 / 0.280