PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/06-14:42:30 G02 241.2 73.5 7.2 +/- 0.47 7.5 +/- 0.47 0.090 / 0.110 G05 172.7 15.3 6.8 +/- 2.54 16.8 +/- 2.54 0.080 / 0.130 G06 40.4 56.9 7.4 +/- 0.91 8.6 +/- 0.91 0.130 / 0.380 G12 321.4 52.6 7.3 +/- 1.72 9.0 +/- 1.72 0.160 / 0.410 G17 69.5 24.1 7.0 +/- 0.92 13.9 +/- 0.92 0.080 / 0.130 G19 58.4 36.6 6.3 +/- 0.67 9.7 +/- 0.67 0.060 / 0.090 G24 246.1 34.4 8.0 +/- 1.65 12.8 +/- 1.65 0.060 / 0.080 G25 316.2 11.6 -3.1 +/- 30.56 -8.3 +/- 30.56 0.050 / 0.080