PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/24-19:28:00 G02 226.2 68.4 9.3 +/- 0.93 9.9 +/- 0.93 0.060 / 0.120 G05 174.3 9.9 -8.2 +/- 21.93 -22.8 +/- 21.93 0.060 / 0.100 G06 44.4 66.6 8.3 +/- 0.30 9.0 +/- 0.30 0.100 / 0.550 G12 319.9 42.2 9.7 +/- 1.51 13.7 +/- 1.51 0.100 / 0.520 G17 63.2 28.3 7.3 +/- 0.61 13.2 +/- 0.61 0.040 / 0.080 G19 49.6 42.5 8.4 +/- 1.13 11.7 +/- 1.13 0.030 / 0.050 G24 254.0 38.5 10.8 +/- 1.60 16.1 +/- 1.60 0.060 / 0.080 G28 126.8 11.9 9.3 +/- 3.58 25.0 +/- 3.58 0.060 / 0.070