PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/04/24-01:12:30 G02 18.6 66.2 10.3 +/- 1.41 11.1 +/- 1.41 0.120 / 0.350 G05 154.3 49.0 15.4 +/- 1.04 19.6 +/- 1.04 0.110 / 0.330 G06 45.5 29.8 9.5 +/- 2.00 16.7 +/- 2.00 0.030 / 0.020 G12 263.8 78.8 12.7 +/- 1.12 12.9 +/- 1.12 0.030 / 0.020 G19 87.9 17.9 11.4 +/- 3.73 26.3 +/- 3.73 0.060 / 0.080 G24 216.8 12.2 17.5 +/- 1.38 46.6 +/- 1.38 0.060 / 0.090 G25 311.3 42.9 10.8 +/- 1.20 15.0 +/- 1.20 0.080 / 0.110 G29 298.5 21.5 11.1 +/- 1.43 23.5 +/- 1.43 0.100 / 0.110