PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/14-00:57:50 G08 291.8 21.6 9.0 +/- 1.61 19.1 +/- 1.61 0.040 / 0.050 G10 24.0 62.4 9.1 +/- 0.54 10.1 +/- 0.54 0.050 / 0.060 G14 234.6 50.3 9.9 +/- 2.11 12.4 +/- 2.11 0.020 / 0.030 G18 317.8 15.4 5.0 +/- 1.63 12.4 +/- 1.63 0.030 / 0.030 G20 73.6 48.8 8.8 +/- 0.98 11.3 +/- 0.98 0.140 / 0.430 G21 149.7 35.5 9.2 +/- 1.15 14.4 +/- 1.15 0.200 / 0.250 G24 51.7 23.2 6.8 +/- 2.56 13.9 +/- 2.56 0.090 / 0.080 G27 248.7 28.9 10.3 +/- 2.68 18.5 +/- 2.68 0.080 / 0.080 G31 181.6 12.6 8.0 +/- 3.72 21.1 +/- 3.72 0.140 / 0.260 G32 258.7 71.8 8.6 +/- 0.35 9.1 +/- 0.35 0.110 / 0.160