PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/24-18:28:10 G02 33.6 54.9 9.1 +/- 1.22 10.9 +/- 1.22 0.020 / 0.030 G05 133.7 64.9 9.9 +/- 0.70 10.8 +/- 0.70 0.030 / 0.020 G06 56.5 11.1 8.4 +/- 1.70 22.8 +/- 1.70 0.040 / 0.040 G12 187.0 60.1 9.0 +/- 0.32 10.2 +/- 0.32 0.040 / 0.050 G19 101.7 10.5 11.0 +/- 2.71 30.5 +/- 2.71 0.040 / 0.050 G25 289.9 56.4 11.4 +/- 1.99 13.4 +/- 1.99 0.040 / 0.040 G29 309.1 29.4 8.1 +/- 0.97 14.3 +/- 0.97 0.140 / 0.160