PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/22-04:27:50 G08 292.5 22.5 6.8 +/- 1.01 14.2 +/- 1.01 0.050 / 0.110 G10 16.6 62.7 5.3 +/- 0.61 5.9 +/- 0.61 0.050 / 0.100 G14 231.7 48.8 7.3 +/- 0.61 9.3 +/- 0.61 0.110 / 0.130 G18 317.9 13.1 4.7 +/- 1.11 12.2 +/- 1.11 0.090 / 0.140 G20 69.1 50.8 5.7 +/- 0.36 7.1 +/- 0.36 0.050 / 0.030 G21 148.1 38.0 6.0 +/- 0.82 9.1 +/- 0.82 0.040 / 0.030 G24 53.8 24.3 4.0 +/- 0.71 7.9 +/- 0.71 0.050 / 0.110 G27 252.5 30.7 9.2 +/- 1.52 15.8 +/- 1.52 0.060 / 0.080 G32 248.8 67.8 7.4 +/- 0.54 7.9 +/- 0.54 0.110 / 0.170