PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/27-23:43:00 G03 250.8 69.5 6.4 +/- 1.05 6.8 +/- 1.05 0.140 / 0.250 G09 302.4 18.6 6.5 +/- 2.35 14.7 +/- 2.35 0.170 / 0.280 G14 97.1 16.1 7.4 +/- 1.47 18.0 +/- 1.47 0.050 / 0.050 G16 132.6 56.1 7.8 +/- 1.12 9.2 +/- 1.12 0.040 / 0.040 G22 199.6 59.4 7.4 +/- 0.66 8.5 +/- 0.66 0.050 / 0.040 G23 315.2 44.6 6.5 +/- 0.91 8.8 +/- 0.91 0.050 / 0.040 G26 76.8 54.0 5.3 +/- 0.64 6.4 +/- 0.64 0.040 / 0.030 G31 49.9 24.6 4.4 +/- 1.68 8.7 +/- 1.68 0.040 / 0.030