PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-07:27:50
G03     250.4          68.9                6.0 +/-    0.73       6.4 +/-    0.73  0.040 / 0.050
G09     302.8          18.6                3.5 +/-    1.72       7.9 +/-    1.72  0.040 / 0.050
G14     97.3           17.3                4.8 +/-    0.98      11.3 +/-    0.98  0.120 / 0.350
G16     125.5          57.7                6.7 +/-    0.42       7.8 +/-    0.42  0.120 / 0.420
G22     198.0          58.3                8.6 +/-    1.19       9.9 +/-    1.19  0.050 / 0.050
G23     317.4          47.2                2.6 +/-    1.23       3.4 +/-    1.23  0.060 / 0.050
G26     70.2           51.1                5.5 +/-    0.31       6.8 +/-    0.31  0.030 / 0.050
G31     51.7           19.4                1.1 +/-    0.91       2.5 +/-    0.91  0.030 / 0.040