PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-16:27:50 G05 158.0 47.0 11.8 +/- 0.39 15.5 +/- 0.39 0.130 / 0.430 G06 46.3 26.6 7.3 +/- 0.96 13.8 +/- 0.96 0.130 / 0.420 G12 251.9 80.1 8.8 +/- 0.85 8.9 +/- 0.85 0.030 / 0.060 G19 88.0 16.9 9.3 +/- 1.91 22.1 +/- 1.91 0.020 / 0.080 G24 219.1 13.0 12.2 +/- 2.03 31.7 +/- 2.03 0.050 / 0.110 G25 312.2 40.7 9.8 +/- 2.05 14.1 +/- 2.05 0.050 / 0.080 G29 296.1 17.4 8.2 +/- 1.38 19.2 +/- 1.38 0.090 / 0.110