PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/27-00:43:00 G01 219.4 12.0 7.1 +/- 3.53 18.9 +/- 3.53 0.030 / 0.050 G03 271.7 69.7 4.7 +/- 0.44 5.0 +/- 0.44 0.030 / 0.040 G09 298.6 14.1 5.6 +/- 2.27 14.2 +/- 2.27 0.120 / 0.200 G14 90.2 23.5 6.4 +/- 2.08 12.9 +/- 2.08 0.120 / 0.170 G16 136.6 51.3 7.0 +/- 0.94 8.7 +/- 0.94 0.030 / 0.030 G22 208.9 65.2 4.4 +/- 0.52 4.8 +/- 0.52 0.030 / 0.030 G23 312.6 42.6 5.4 +/- 0.99 7.6 +/- 0.99 0.220 / 0.470 G26 84.3 54.0 4.5 +/- 1.16 5.5 +/- 1.16 0.160 / 0.330 G31 48.4 25.7 4.8 +/- 3.20 9.2 +/- 3.20 0.170 / 0.250