PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/03-05:13:10 G01 224.4 15.3 6.9 +/- 3.85 17.0 +/- 3.85 0.030 / 0.030 G03 284.8 67.1 5.8 +/- 0.92 6.2 +/- 0.92 0.040 / 0.030 G09 296.6 12.0 6.1 +/- 1.13 16.4 +/- 1.13 0.070 / 0.090 G14 88.7 23.0 4.2 +/- 1.66 8.5 +/- 1.66 0.040 / 0.080 G16 139.8 48.9 6.7 +/- 0.94 8.5 +/- 0.94 0.100 / 0.160 G22 216.2 69.0 7.6 +/- 0.60 8.0 +/- 0.60 0.110 / 0.150 G23 308.5 38.0 3.8 +/- 1.27 5.7 +/- 1.27 0.050 / 0.050 G26 88.4 53.5 5.7 +/- 0.94 6.9 +/- 0.94 0.040 / 0.060 G31 46.9 27.8 3.5 +/- 1.84 6.5 +/- 1.84 0.110 / 0.270