PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/11-11:58:00 G08 275.8 21.8 6.1 +/- 1.50 12.9 +/- 1.50 0.080 / 0.160 G10 43.4 60.9 5.1 +/- 0.69 5.7 +/- 0.69 0.120 / 0.220 G14 248.4 60.6 7.4 +/- 0.75 8.3 +/- 0.75 0.040 / 0.030 G18 315.6 26.2 2.5 +/- 1.14 4.8 +/- 1.14 0.050 / 0.030 G20 85.3 42.8 5.9 +/- 1.37 8.3 +/- 1.37 0.020 / 0.020 G21 151.9 21.6 3.8 +/- 2.55 8.1 +/- 2.55 0.040 / 0.020 G24 43.4 15.1 4.3 +/- 4.18 10.8 +/- 4.18 0.040 / 0.050 G27 241.7 23.0 6.2 +/- 1.62 12.6 +/- 1.62 0.050 / 0.050 G31 181.8 18.6 3.8 +/- 1.39 8.6 +/- 1.39 0.150 / 0.250 G32 282.7 73.7 6.6 +/- 0.59 6.9 +/- 0.59 0.340 / 0.160