PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/03-03:12:40 G01 223.7 14.6 5.4 +/- 1.14 13.5 +/- 1.14 0.110 / 0.250 G03 280.0 68.5 3.5 +/- 0.63 3.7 +/- 0.63 0.110 / 0.270 G09 298.2 15.3 4.6 +/- 2.29 11.3 +/- 2.29 0.040 / 0.050 G14 89.5 22.3 2.0 +/- 1.07 4.1 +/- 1.07 0.050 / 0.040 G16 141.2 49.1 6.3 +/- 0.45 8.1 +/- 0.45 0.250 / 0.310 G22 211.6 67.8 4.7 +/- 0.41 5.0 +/- 0.41 0.190 / 0.330 G23 309.3 38.8 4.3 +/- 1.15 6.4 +/- 1.15 0.030 / 0.030 G26 89.7 54.3 4.5 +/- 0.32 5.4 +/- 0.32 0.030 / 0.030 G31 46.8 29.1 1.0 +/- 0.79 1.7 +/- 0.79 0.040 / 0.050