PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-20:43:00 G02 205.1 40.3 18.1 +/- 0.93 26.2 +/- 0.93 0.150 / 0.240 G06 143.4 75.1 15.2 +/- 0.85 15.6 +/- 0.85 0.150 / 0.270 G12 310.9 20.9 13.0 +/- 3.31 28.0 +/- 3.31 0.050 / 0.090 G17 39.2 47.0 12.5 +/- 1.43 16.4 +/- 1.43 0.060 / 0.080 G19 8.1 62.9 13.1 +/- 0.71 14.5 +/- 0.71 0.030 / 0.020 G24 290.9 40.7 14.0 +/- 8.90 20.2 +/- 8.90 0.030 / 0.020 G28 107.8 27.4 13.9 +/- 1.52 25.8 +/- 1.52 0.040 / 0.030