PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/04/24-07:42:30 G08 310.8 18.6 4.6 +/- 2.09 10.4 +/- 2.09 0.040 / 0.040 G10 331.4 60.0 2.4 +/- 0.50 2.7 +/- 0.50 0.030 / 0.030 G14 216.9 30.1 8.7 +/- 2.06 15.2 +/- 2.06 0.030 / 0.050 G15 46.7 10.4 2.2 +/- 2.67 6.0 +/- 2.67 0.030 / 0.040 G20 35.3 60.8 2.3 +/- 0.85 2.5 +/- 0.85 0.060 / 0.080 G21 132.9 56.8 3.8 +/- 0.85 4.5 +/- 0.85 0.050 / 0.080 G24 74.6 29.6 2.0 +/- 1.22 3.6 +/- 1.22 0.090 / 0.220 G27 278.7 37.3 8.1 +/- 1.03 12.4 +/- 1.03 0.080 / 0.220 G32 221.7 46.0 9.6 +/- 0.53 12.7 +/- 0.53 0.050 / 0.080