PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/26-13:57:50 G02 28.7 58.6 4.8 +/- 0.53 5.6 +/- 0.53 0.040 / 0.050 G05 150.2 58.6 6.5 +/- 0.60 7.5 +/- 0.60 0.050 / 0.060 G06 52.6 17.1 3.9 +/- 0.84 9.1 +/- 0.84 0.030 / 0.040 G12 198.5 69.4 3.8 +/- 1.48 4.0 +/- 1.48 0.030 / 0.040 G19 97.1 13.8 6.5 +/- 1.17 16.7 +/- 1.17 0.030 / 0.030 G25 295.9 55.5 5.1 +/- 1.83 6.0 +/- 1.83 0.030 / 0.050 G29 305.9 26.5 4.3 +/- 2.10 8.2 +/- 2.10 0.100 / 0.130