PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-05:42:40
G01     228.3          19.0                5.3 +/-    3.86      12.0 +/-    3.86  0.040 / 0.030
G03     296.0          64.2                3.9 +/-    0.91       4.3 +/-    0.91  0.040 / 0.030
G14     83.8           26.6                2.4 +/-    2.40       4.5 +/-    2.40  0.250 / 0.460
G16     145.2          43.8                4.3 +/-    1.82       5.8 +/-    1.82  0.320 / 0.350
G22     228.6          72.7                4.2 +/-    0.49       4.4 +/-    0.49  0.050 / 0.100
G23     304.9          34.7                2.8 +/-    2.02       4.5 +/-    2.02  0.080 / 0.080
G26     98.4           53.1                5.8 +/-    0.53       7.0 +/-    0.53  0.090 / 0.120
G31     44.9           32.4                2.3 +/-    1.08       3.8 +/-    1.08  0.110 / 0.130