PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/11-03:43:00 G02 227.6 72.1 5.2 +/- 0.41 5.4 +/- 0.41 0.210 / 0.330 G05 173.3 11.5 1.5 +/- 14.75 4.0 +/- 14.75 0.250 / 0.370 G06 43.8 66.6 3.7 +/- 0.54 4.0 +/- 0.54 0.050 / 0.050 G12 320.7 44.2 4.0 +/- 0.66 5.5 +/- 0.66 0.040 / 0.050 G17 64.4 28.4 2.4 +/- 1.79 4.3 +/- 1.79 0.060 / 0.100 G19 50.5 42.8 3.3 +/- 1.24 4.5 +/- 1.24 0.050 / 0.090 G24 253.4 38.2 5.3 +/- 1.57 8.0 +/- 1.57 0.020 / 0.030