PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/10-06:12:30 G02 287.3 82.3 2.6 +/- 0.66 2.7 +/- 0.66 0.120 / 0.120 G05 168.1 23.6 3.5 +/- 1.35 7.0 +/- 1.35 0.080 / 0.100 G06 39.3 53.7 3.5 +/- 0.62 4.2 +/- 0.62 0.060 / 0.040 G12 320.2 58.2 2.6 +/- 0.72 3.0 +/- 0.72 0.050 / 0.040 G17 76.9 18.8 2.6 +/- 1.48 6.0 +/- 1.48 0.110 / 0.160 G19 65.2 33.6 3.4 +/- 1.24 5.6 +/- 1.24 0.110 / 0.130 G24 238.6 30.4 5.3 +/- 2.53 9.2 +/- 2.53 0.030 / 0.030 G25 317.7 18.3 3.3 +/- 2.22 7.5 +/- 2.22 0.030 / 0.030