PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/24-15:13:10 G02 30.9 56.5 5.0 +/- 1.17 5.9 +/- 1.17 0.070 / 0.050 G05 145.1 60.8 7.7 +/- 0.69 8.7 +/- 0.69 0.050 / 0.050 G06 53.3 15.0 5.5 +/- 1.60 13.5 +/- 1.60 0.030 / 0.040 G12 196.2 68.1 5.8 +/- 0.51 6.2 +/- 0.51 0.030 / 0.040 G25 298.4 52.3 6.9 +/- 2.10 8.5 +/- 2.10 0.090 / 0.150 G29 306.4 27.0 7.3 +/- 1.74 13.6 +/- 1.74 0.080 / 0.170