PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-20:57:30 G08 316.3 14.6 8.1 +/- 1.81 20.4 +/- 1.81 0.090 / 0.110 G10 323.6 58.9 10.4 +/- 0.85 12.0 +/- 0.85 0.060 / 0.090 G14 214.9 22.3 14.9 +/- 0.98 31.1 +/- 0.98 0.040 / 0.050 G15 46.0 15.3 8.5 +/- 1.60 20.9 +/- 1.60 0.040 / 0.060 G20 28.1 61.9 10.2 +/- 0.77 11.4 +/- 0.77 0.090 / 0.320 G21 126.8 63.7 11.4 +/- 0.69 12.6 +/- 0.69 0.090 / 0.240 G24 82.9 30.4 10.4 +/- 0.93 18.0 +/- 0.93 0.130 / 0.320 G27 283.4 38.0 10.1 +/- 1.18 15.2 +/- 1.18 0.140 / 0.390 G32 217.6 46.8 12.7 +/- 0.75 16.7 +/- 0.75 0.060 / 0.120