PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/16-04:57:30 G02 24.5 63.0 2.7 +/- 0.94 3.0 +/- 0.94 0.030 / 0.020 G05 151.2 52.3 5.7 +/- 0.47 7.0 +/- 0.47 0.020 / 0.020 G06 47.8 25.9 1.7 +/- 2.20 3.3 +/- 2.20 0.100 / 0.110 G12 236.5 78.3 3.4 +/- 0.58 3.4 +/- 0.58 0.160 / 0.100 G19 90.8 16.8 4.3 +/- 1.28 10.1 +/- 1.28 0.030 / 0.030 G24 216.2 10.6 4.2 +/- 6.25 11.5 +/- 6.25 0.030 / 0.040 G25 310.1 44.0 4.0 +/- 1.02 5.5 +/- 1.02 0.050 / 0.070 G29 299.5 20.4 2.6 +/- 1.82 5.6 +/- 1.82 0.060 / 0.080