PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-08:12:50
G01     234.6          24.6                8.5 +/-    1.04      16.8 +/-    1.04  0.030 / 0.030
G03     306.5          59.2                5.6 +/-    0.96       6.4 +/-    0.96  0.040 / 0.040
G14     75.6           32.8                3.4 +/-    1.01       5.6 +/-    1.01  0.050 / 0.130
G16     151.7          35.8                7.5 +/-    1.71      11.7 +/-    1.71  0.060 / 0.110
G18     209.8          14.5                7.3 +/-    1.68      18.5 +/-    1.68  0.050 / 0.050
G22     250.4          75.9                4.3 +/-    0.84       4.4 +/-    0.84  0.040 / 0.050
G23     300.1          31.2                4.1 +/-    1.09       6.9 +/-    1.09  0.100 / 0.210
G26     112.2          50.3                7.2 +/-    0.54       9.0 +/-    0.54  0.080 / 0.220
G31     42.5           39.4                1.8 +/-    1.10       2.7 +/-    1.10  0.080 / 0.110
G32     91.9           11.0                2.9 +/-    1.97       7.9 +/-    1.97  0.070 / 0.120