PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-12:13:00 G03 216.7 60.7 4.9 +/- 0.57 5.6 +/- 0.57 0.120 / 0.490 G07 254.5 12.9 4.3 +/- 3.68 11.3 +/- 3.68 0.110 / 0.480 G09 308.9 26.0 4.0 +/- 2.10 7.7 +/- 2.10 0.210 / 0.460 G14 106.2 11.5 3.7 +/- 1.20 10.0 +/- 1.20 0.160 / 0.300 G16 99.6 63.5 6.0 +/- 0.60 6.7 +/- 0.60 0.040 / 0.050 G22 187.0 42.9 4.4 +/- 1.16 6.1 +/- 1.16 0.050 / 0.050 G23 331.0 60.0 4.7 +/- 0.54 5.4 +/- 0.54 0.040 / 0.060 G26 55.2 43.8 4.4 +/- 1.44 6.0 +/- 1.44 0.040 / 0.060 G31 58.2 10.5 5.5 +/- 2.48 15.2 +/- 2.48 0.030 / 0.040