PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/25-04:42:50 G08 279.7 21.3 6.2 +/- 1.14 13.2 +/- 1.14 0.120 / 0.210 G10 43.2 60.7 4.6 +/- 0.60 5.2 +/- 0.60 0.090 / 0.230 G14 246.7 59.2 7.3 +/- 0.90 8.3 +/- 0.90 0.030 / 0.030 G18 316.3 24.0 3.5 +/- 2.53 7.1 +/- 2.53 0.030 / 0.030 G20 84.6 43.4 5.2 +/- 0.40 7.2 +/- 0.40 0.070 / 0.080 G24 44.9 17.1 3.3 +/- 0.80 7.8 +/- 0.80 0.070 / 0.080 G27 240.7 23.2 6.2 +/- 2.32 12.6 +/- 2.32 0.090 / 0.220 G31 179.6 20.8 5.4 +/- 1.10 11.7 +/- 1.10 0.090 / 0.230 G32 286.9 75.0 5.9 +/- 0.86 6.1 +/- 0.86 0.080 / 0.190