PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-22:42:40
G01     241.1          29.9                9.4 +/-    1.74      16.5 +/-    1.74  0.050 / 0.090
G03     312.9          52.1                6.7 +/-    0.77       8.2 +/-    0.77  0.050 / 0.110
G14     69.8           34.9                7.4 +/-    1.72      11.8 +/-    1.72  0.160 / 0.150
G16     158.4          26.8                8.9 +/-    1.99      16.6 +/-    1.99  0.150 / 0.170
G22     286.2          72.5                7.6 +/-    0.62       7.9 +/-    0.62  0.040 / 0.030
G23     292.8          23.5                9.1 +/-    1.48      18.4 +/-    1.48  0.040 / 0.030
G26     128.5          45.0               10.4 +/-    0.73      14.0 +/-    0.73  0.100 / 0.170
G31     40.1           51.7                7.5 +/-    0.82       9.3 +/-    0.82  0.060 / 0.170
G32     84.8           17.4                8.1 +/-    1.02      19.0 +/-    1.02  0.040 / 0.040