PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/06-19:43:00 G02 34.5 54.3 8.0 +/- 0.79 9.6 +/- 0.79 0.030 / 0.030 G05 132.3 65.1 9.0 +/- 0.50 9.8 +/- 0.50 0.020 / 0.030 G06 56.5 11.2 7.0 +/- 2.46 19.0 +/- 2.46 0.040 / 0.030 G12 188.2 60.5 9.1 +/- 0.44 10.2 +/- 0.44 0.030 / 0.040 G19 102.0 10.1 9.2 +/- 1.51 25.5 +/- 1.51 0.040 / 0.040 G25 290.0 56.2 4.9 +/- 2.85 5.7 +/- 2.85 0.040 / 0.040 G29 309.3 29.6 7.6 +/- 2.01 13.4 +/- 2.01 0.130 / 0.130