PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-07:12:40
G03     254.5          69.2                5.3 +/-    1.06       5.7 +/-    1.06  0.040 / 0.060
G09     302.1          17.8                4.8 +/-    2.37      11.2 +/-    2.37  0.040 / 0.050
G14     96.3           18.0                3.9 +/-    2.16       8.9 +/-    2.16  0.040 / 0.070
G16     127.6          56.8                7.7 +/-    0.81       9.0 +/-    0.81  0.040 / 0.050
G22     199.4          59.6                7.4 +/-    0.91       8.4 +/-    0.91  0.130 / 0.260
G23     316.3          46.1                5.6 +/-    0.99       7.4 +/-    0.99  0.110 / 0.230
G26     72.1           51.6                6.7 +/-    0.88       8.3 +/-    0.88  0.040 / 0.050
G31     51.1           20.4                3.5 +/-    2.05       7.6 +/-    2.05  0.030 / 0.040