PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/16-21:28:10 G08 318.5 12.8 8.9 +/- 2.87 23.4 +/- 2.87 0.060 / 0.110 G10 318.8 58.0 12.0 +/- 0.77 13.9 +/- 0.77 0.050 / 0.070 G14 213.8 20.2 17.1 +/- 3.30 37.4 +/- 3.30 0.040 / 0.040 G15 45.8 18.0 8.4 +/- 1.39 19.5 +/- 1.39 0.040 / 0.040 G20 22.1 62.9 10.8 +/- 0.59 12.0 +/- 0.59 0.160 / 0.470 G21 122.8 66.1 12.4 +/- 0.42 13.5 +/- 0.42 0.160 / 0.380 G24 85.9 30.1 11.6 +/- 0.42 20.3 +/- 0.42 0.150 / 0.280 G27 286.9 37.8 10.9 +/- 1.72 16.5 +/- 1.72 0.170 / 0.290 G32 216.0 44.0 15.6 +/- 2.00 21.3 +/- 2.00 0.080 / 0.140