PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-13:13:10
G10     293.8          50.3                6.6 +/-    3.02       8.3 +/-    3.02  0.070 / 0.080
G15     46.2           28.6                3.6 +/-    0.87       6.5 +/-    0.87  0.050 / 0.090
G20     68.0           23.9                4.6 +/-    2.00       9.2 +/-    2.00  0.040 / 0.030
G21     95.2           72.9                5.7 +/-    0.71       6.0 +/-    0.71  0.040 / 0.040
G24     100.7          25.7                5.6 +/-    1.74      10.7 +/-    1.74  0.090 / 0.160
G27     301.6          33.9                5.3 +/-    2.58       8.5 +/-    2.58  0.120 / 0.110
G32     209.8          30.4                7.4 +/-    2.27      12.9 +/-    2.27  0.070 / 0.130