PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-04:58:10 G08 277.8 20.9 7.9 +/- 1.83 17.1 +/- 1.83 0.100 / 0.150 G10 46.6 60.2 4.7 +/- 0.63 5.3 +/- 0.63 0.120 / 0.110 G14 249.4 60.5 5.6 +/- 0.36 6.4 +/- 0.36 0.020 / 0.020 G18 315.8 25.5 3.6 +/- 1.21 7.0 +/- 1.21 0.020 / 0.020 G20 86.5 42.3 4.6 +/- 0.79 6.4 +/- 0.79 0.090 / 0.180 G21 153.3 24.0 5.2 +/- 2.21 10.3 +/- 2.21 0.100 / 0.200 G24 43.9 15.9 3.7 +/- 2.20 9.0 +/- 2.20 0.050 / 0.060 G27 239.3 22.1 8.1 +/- 1.25 17.0 +/- 1.25 0.060 / 0.050 G31 179.3 22.4 5.5 +/- 1.36 11.3 +/- 1.36 0.150 / 0.260 G32 293.5 75.3 6.0 +/- 0.31 6.2 +/- 0.31 0.180 / 0.390