PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/27-02:43:00 G02 232.5 74.2 6.4 +/- 0.49 6.7 +/- 0.49 0.030 / 0.050 G05 172.3 13.6 8.3 +/- 2.14 21.4 +/- 2.14 0.040 / 0.050 G06 42.1 63.4 5.2 +/- 0.42 5.7 +/- 0.42 0.040 / 0.090 G12 321.1 47.0 5.4 +/- 0.53 7.1 +/- 0.53 0.040 / 0.080 G17 66.0 27.7 3.5 +/- 1.21 6.5 +/- 1.21 0.040 / 0.060 G19 52.8 41.5 4.5 +/- 1.40 6.4 +/- 1.40 0.040 / 0.070 G24 250.3 37.0 6.8 +/- 0.88 10.4 +/- 0.88 0.170 / 0.190