PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/09-05:13:10 G02 18.0 67.8 3.0 +/- 0.57 3.2 +/- 0.57 0.030 / 0.050 G05 156.0 46.7 6.2 +/- 1.35 8.2 +/- 1.35 0.030 / 0.040 G06 45.3 30.9 2.1 +/- 1.63 3.6 +/- 1.63 0.020 / 0.030 G12 270.9 78.9 3.7 +/- 1.28 3.8 +/- 1.28 0.020 / 0.030 G19 86.1 20.1 5.0 +/- 1.81 11.0 +/- 1.81 0.070 / 0.080 G24 220.1 14.5 6.7 +/- 1.08 16.9 +/- 1.08 0.080 / 0.110 G25 313.6 39.1 2.8 +/- 1.10 4.2 +/- 1.10 0.040 / 0.040 G29 295.5 16.8 3.4 +/- 2.77 8.1 +/- 2.77 0.040 / 0.040