PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-20:58:10 G08 314.6 15.8 8.7 +/- 1.96 21.2 +/- 1.96 0.040 / 0.040 G10 328.0 59.6 9.0 +/- 0.57 10.2 +/- 0.57 0.040 / 0.050 G14 215.9 24.4 13.5 +/- 2.68 26.8 +/- 2.68 0.110 / 0.390 G15 46.3 13.3 6.9 +/- 1.45 17.8 +/- 1.45 0.330 / 0.290 G20 32.7 61.1 10.7 +/- 0.80 12.0 +/- 0.80 0.210 / 0.210 G21 129.9 61.5 11.8 +/- 0.85 13.2 +/- 0.85 0.310 / 0.170 G24 80.1 30.6 9.4 +/- 1.20 16.2 +/- 1.20 0.140 / 0.300 G27 280.4 38.1 11.2 +/- 1.87 16.9 +/- 1.87 0.200 / 0.350 G32 219.3 49.1 11.7 +/- 1.48 14.9 +/- 1.48 0.050 / 0.070