PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/15-21:42:50 G08 315.4 15.2 10.1 +/- 2.40 25.1 +/- 2.40 0.040 / 0.050 G10 327.0 59.4 11.2 +/- 0.81 12.7 +/- 0.81 0.040 / 0.050 G14 215.7 24.3 16.9 +/- 5.36 33.6 +/- 5.36 0.330 / 0.320 G15 46.3 14.2 8.1 +/- 2.49 20.5 +/- 2.49 0.200 / 0.310 G20 31.2 61.4 11.4 +/- 1.60 12.8 +/- 1.60 0.210 / 0.230 G21 129.3 62.1 14.5 +/- 0.61 16.1 +/- 0.61 0.110 / 0.170 G24 80.6 30.6 11.8 +/- 0.88 20.4 +/- 0.88 0.080 / 0.070 G27 281.0 38.1 13.2 +/- 1.24 19.8 +/- 1.24 0.070 / 0.060 G32 219.0 48.4 14.4 +/- 1.42 18.5 +/- 1.42 0.050 / 0.090