PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/03-19:43:00 G02 29.2 58.4 9.2 +/- 0.53 10.6 +/- 0.53 0.030 / 0.040 G05 142.3 60.7 11.3 +/- 0.62 12.8 +/- 0.62 0.030 / 0.050 G06 53.5 15.3 8.4 +/- 2.27 20.8 +/- 2.27 0.040 / 0.040 G12 192.1 66.9 9.4 +/- 1.94 10.1 +/- 1.94 0.030 / 0.040 G19 97.6 13.4 11.8 +/- 1.05 30.6 +/- 1.05 0.040 / 0.070 G25 298.7 53.0 8.3 +/- 0.79 10.1 +/- 0.79 0.040 / 0.060 G29 305.5 25.5 8.2 +/- 2.60 15.8 +/- 2.60 0.040 / 0.060