PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-07:12:50
G03     260.3          69.4                5.2 +/-    1.05       5.6 +/-    1.05  0.040 / 0.050
G09     301.0          16.5                4.8 +/-    2.06      11.6 +/-    2.06  0.030 / 0.040
G14     94.8           19.2                3.3 +/-    1.34       7.4 +/-    1.34  0.100 / 0.190
G16     130.5          55.3                6.3 +/-    0.44       7.5 +/-    0.44  0.110 / 0.230
G22     201.1          61.4                7.4 +/-    1.14       8.3 +/-    1.14  0.040 / 0.050
G23     315.0          44.7                4.5 +/-    0.96       6.1 +/-    0.96  0.040 / 0.070
G26     75.1           52.2                5.8 +/-    0.58       7.1 +/-    0.58  0.040 / 0.040
G31     50.2           21.8                2.6 +/-    2.19       5.5 +/-    2.19  0.030 / 0.040