PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/08-02:42:40 G02 203.0 38.4 5.6 +/- 0.72 8.4 +/- 0.72 0.070 / 0.110 G06 160.7 70.2 4.4 +/- 0.24 4.7 +/- 0.24 0.090 / 0.090 G12 308.3 15.7 0.7 +/- 1.74 1.8 +/- 1.74 0.140 / 0.250 G17 35.5 49.9 1.7 +/- 1.10 2.1 +/- 1.10 0.090 / 0.280 G19 5.3 64.1 1.9 +/- 0.53 2.1 +/- 0.53 0.040 / 0.050 G24 296.6 38.5 1.5 +/- 2.02 2.2 +/- 2.02 0.030 / 0.040 G28 104.6 29.4 4.7 +/- 1.03 8.4 +/- 1.03 0.030 / 0.030