PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/09-22:28:00 G02 345.6 78.2 8.3 +/- 0.82 8.5 +/- 0.82 0.060 / 0.090 G05 163.2 34.9 14.0 +/- 1.58 22.3 +/- 1.58 0.040 / 0.090 G06 42.1 38.4 7.3 +/- 1.02 11.0 +/- 1.02 0.120 / 0.170 G12 309.0 73.6 7.8 +/- 0.89 8.1 +/- 0.89 0.130 / 0.150 G17 86.1 12.6 10.8 +/- 1.60 28.6 +/- 1.60 0.030 / 0.040 G19 74.7 28.5 8.9 +/- 0.79 16.1 +/- 0.79 0.030 / 0.040 G24 227.2 22.0 15.2 +/- 1.59 32.0 +/- 1.59 0.110 / 0.280 G25 317.2 29.2 7.7 +/- 1.12 13.7 +/- 1.12 0.100 / 0.270