PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/09-00:13:10 G05 46.4 23.6 6.7 +/- 0.62 13.5 +/- 0.62 0.060 / 0.150 G13 86.8 35.9 10.1 +/- 0.65 15.8 +/- 0.65 0.050 / 0.120 G15 138.3 45.5 13.5 +/- 1.26 18.0 +/- 1.26 0.210 / 0.330 G20 239.1 20.8 9.5 +/- 1.55 20.5 +/- 1.55 0.120 / 0.370 G21 304.7 40.8 10.5 +/- 1.06 15.0 +/- 1.06 0.050 / 0.110 G25 203.7 17.7 12.4 +/- 1.68 28.8 +/- 1.68 0.060 / 0.080 G26 294.7 21.0 9.9 +/- 1.81 21.2 +/- 1.81 0.040 / 0.040 G29 142.4 83.3 10.0 +/- 1.04 10.1 +/- 1.04 0.030 / 0.030