PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/25-04:12:50 G08 293.9 22.4 7.0 +/- 1.83 14.5 +/- 1.83 0.080 / 0.100 G10 13.9 62.7 6.2 +/- 0.68 6.9 +/- 0.68 0.080 / 0.130 G14 230.6 47.6 8.0 +/- 2.14 10.3 +/- 2.14 0.030 / 0.020 G18 317.9 11.9 2.1 +/- 17.51 5.6 +/- 17.51 0.030 / 0.020 G20 67.3 51.5 5.0 +/- 0.92 6.1 +/- 0.92 0.050 / 0.100 G21 147.5 39.3 7.2 +/- 0.72 10.6 +/- 0.72 0.060 / 0.080 G24 54.9 24.9 4.6 +/- 2.43 9.1 +/- 2.43 0.070 / 0.120 G27 253.7 31.3 8.0 +/- 2.81 13.6 +/- 2.81 0.110 / 0.100 G32 246.4 66.9 5.7 +/- 0.64 6.2 +/- 0.64 0.100 / 0.150