PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-01:28:00 G08 294.5 21.7 8.3 +/- 1.51 17.5 +/- 1.51 0.100 / 0.130 G10 17.1 62.6 9.6 +/- 0.68 10.7 +/- 0.68 0.070 / 0.130 G14 231.6 47.8 14.3 +/- 2.05 18.5 +/- 2.05 0.070 / 0.100 G18 317.9 12.8 7.1 +/- 1.12 18.5 +/- 1.12 0.060 / 0.090 G20 69.2 50.8 11.0 +/- 1.00 13.7 +/- 1.00 0.050 / 0.120 G21 148.3 38.5 12.0 +/- 1.23 17.9 +/- 1.23 0.060 / 0.110 G24 54.2 24.7 8.9 +/- 0.74 17.6 +/- 0.74 0.090 / 0.210 G27 252.0 30.7 11.9 +/- 1.17 20.6 +/- 1.17 0.090 / 0.220 G31 182.5 9.8 -7.9 +/- 11.29 -22.2 +/- 11.29 0.040 / 0.030 G32 250.4 69.3 11.6 +/- 0.72 12.4 +/- 0.72 0.030 / 0.030