PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-07:42:30
G01     318.3          19.8                4.2 +/-    1.40       9.2 +/-    1.40  0.030 / 0.040
G08     257.0          12.0                4.6 +/-   18.82      12.3 +/-   18.82  0.050 / 0.050
G10     83.3           51.9                3.7 +/-    1.37       4.5 +/-    1.37  0.130 / 0.220
G11     301.5          23.6                4.1 +/-    1.86       8.3 +/-    1.86  0.210 / 0.280
G14     293.7          68.9                4.4 +/-    0.94       4.6 +/-    0.94  0.170 / 0.260
G18     302.8          41.4                4.5 +/-    1.67       6.4 +/-    1.67  0.110 / 0.260
G20     109.4          20.4                4.0 +/-    1.93       8.7 +/-    1.93  0.320 / 0.320
G22     302.6          14.7                2.2 +/-    1.31       5.4 +/-    1.31  0.360 / 0.290
G31     173.2          46.6                4.9 +/-    0.75       6.5 +/-    0.75  0.060 / 0.170
G32     15.6           64.5                4.2 +/-    0.47       4.6 +/-    0.47  0.060 / 0.170