PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/15-21:12:50 G08 273.3 19.9 8.6 +/- 2.85 18.9 +/- 2.85 0.140 / 0.430 G10 55.1 58.6 10.2 +/- 0.62 11.8 +/- 0.62 0.320 / 0.280 G11 316.0 12.2 7.4 +/- 16.18 19.6 +/- 16.18 0.190 / 0.400 G14 253.1 60.1 10.7 +/- 0.88 12.2 +/- 0.88 0.170 / 0.310 G20 92.0 37.9 10.3 +/- 1.23 15.5 +/- 1.23 0.040 / 0.050 G21 154.4 20.4 10.5 +/- 2.14 22.8 +/- 2.14 0.050 / 0.050 G24 42.5 14.2 7.0 +/- 4.07 17.8 +/- 4.07 0.160 / 0.410 G27 235.2 19.4 10.1 +/- 5.14 22.5 +/- 5.14 0.210 / 0.190 G31 178.4 26.3 12.0 +/- 1.39 22.7 +/- 1.39 0.110 / 0.240 G32 325.4 76.2 10.1 +/- 0.59 10.4 +/- 0.59 0.110 / 0.250