PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-19:12:30
G01     224.5          15.1               13.1 +/-    3.19      32.5 +/-    3.19  0.040 / 0.030
G03     272.8          70.7               10.9 +/-    0.80      11.5 +/-    0.80  0.040 / 0.040
G14     88.7           23.6               12.6 +/-    1.32      25.5 +/-    1.32  0.040 / 0.080
G16     145.6          47.5               15.0 +/-    0.48      19.5 +/-    0.48  0.040 / 0.060
G22     207.4          67.8               12.1 +/-    0.35      13.0 +/-    0.35  0.080 / 0.110
G23     310.1          40.2               10.6 +/-    1.12      15.3 +/-    1.12  0.090 / 0.080
G26     91.6           54.5               13.2 +/-    0.62      15.8 +/-    0.62  0.110 / 0.160
G31     46.4           29.5                9.5 +/-    1.18      16.7 +/-    1.18  0.130 / 0.190