PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/13-21:12:40 G08 277.1 21.0 10.1 +/- 5.50 21.7 +/- 5.50 0.090 / 0.220 G10 47.9 59.8 10.1 +/- 1.03 11.5 +/- 1.03 0.160 / 0.170 G14 247.4 57.4 12.2 +/- 0.86 14.2 +/- 0.86 0.140 / 0.280 G20 88.1 40.4 9.3 +/- 0.91 13.4 +/- 0.91 0.110 / 0.270 G21 153.5 24.1 12.5 +/- 2.12 25.0 +/- 2.12 0.040 / 0.060 G24 44.5 16.8 8.0 +/- 2.91 19.0 +/- 2.91 0.040 / 0.060 G27 238.2 21.9 11.6 +/- 3.06 24.4 +/- 3.06 0.260 / 0.200 G31 179.2 22.7 12.4 +/- 1.34 25.5 +/- 1.34 0.220 / 0.200 G32 308.3 76.9 10.6 +/- 0.65 10.9 +/- 0.65 0.310 / 0.410