PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/27-20:57:40 G08 313.5 16.5 17.1 +/- 2.03 41.1 +/- 2.03 0.040 / 0.050 G10 330.7 60.0 16.1 +/- 0.55 18.3 +/- 0.55 0.040 / 0.050 G14 216.5 25.7 24.9 +/- 1.73 47.9 +/- 1.73 0.170 / 0.290 G15 46.6 12.1 12.9 +/- 2.85 34.3 +/- 2.85 0.130 / 0.220 G20 35.5 60.5 18.2 +/- 0.59 20.6 +/- 0.59 0.210 / 0.300 G21 131.6 60.2 18.8 +/- 0.79 21.3 +/- 0.79 0.110 / 0.280 G24 78.5 30.7 16.8 +/- 0.74 29.0 +/- 0.74 0.130 / 0.120 G27 278.5 38.0 19.8 +/- 2.49 29.8 +/- 2.49 0.360 / 0.150 G32 220.4 50.6 23.7 +/- 1.25 29.7 +/- 1.25 0.060 / 0.080