PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/27-19:42:40 G01 320.0 15.6 7.9 +/- 1.41 19.4 +/- 1.41 0.060 / 0.050 G08 257.9 14.7 8.8 +/- 2.27 22.0 +/- 2.27 0.060 / 0.050 G10 75.6 54.2 7.6 +/- 0.50 9.1 +/- 0.50 0.150 / 0.250 G11 304.6 22.6 7.5 +/- 1.30 15.6 +/- 1.30 0.170 / 0.250 G14 288.8 70.3 8.3 +/- 0.61 8.8 +/- 0.61 0.180 / 0.440 G20 102.9 31.0 9.9 +/- 0.98 16.9 +/- 0.98 0.130 / 0.280 G27 228.0 11.2 8.3 +/- 2.98 22.5 +/- 2.98 0.120 / 0.270 G31 178.8 36.6 9.7 +/- 2.39 15.0 +/- 2.39 0.120 / 0.270 G32 0.3 69.8 8.4 +/- 0.82 8.9 +/- 0.82 0.060 / 0.090