PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/26-17:42:40 G02 13.3 68.3 7.7 +/- 0.41 8.2 +/- 0.41 0.040 / 0.050 G05 156.0 49.2 8.8 +/- 0.79 11.1 +/- 0.79 0.030 / 0.060 G06 47.9 24.0 7.3 +/- 1.69 14.6 +/- 1.69 0.130 / 0.410 G12 210.8 78.5 5.4 +/- 0.62 5.5 +/- 0.62 0.250 / 0.400 G19 87.6 20.8 8.1 +/- 1.28 17.4 +/- 1.28 0.020 / 0.030 G24 215.3 11.1 9.8 +/- 2.69 26.8 +/- 2.69 0.030 / 0.030 G25 310.5 44.4 5.8 +/- 1.64 7.8 +/- 1.64 0.060 / 0.090 G29 297.2 17.5 5.1 +/- 2.03 11.9 +/- 2.03 0.060 / 0.080