PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-05:12:50
G01     241.0          29.7                5.9 +/-    0.81      10.4 +/-    0.81  0.040 / 0.050
G03     312.9          51.0                3.0 +/-    0.63       3.8 +/-    0.63  0.060 / 0.050
G14     69.3           35.8                2.2 +/-    0.43       3.5 +/-    0.43  0.100 / 0.160
G16     155.5          28.9                4.2 +/-    2.50       7.5 +/-    2.50  0.090 / 0.160
G18     213.8          19.8                6.7 +/-    1.89      14.9 +/-    1.89  0.050 / 0.080
G22     286.3          72.3                5.4 +/-    0.58       5.7 +/-    0.58  0.050 / 0.060
G23     293.6          24.7                4.0 +/-    1.19       8.0 +/-    1.19  0.110 / 0.290
G26     122.6          46.0                6.7 +/-    0.80       8.9 +/-    0.80  0.190 / 0.350
G31     41.2           46.4                2.9 +/-    0.64       3.8 +/-    0.64  0.040 / 0.040
G32     86.0           15.4                3.0 +/-    1.63       7.4 +/-    1.63  0.030 / 0.050