PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-11:58:00
G03     216.1          60.2                3.8 +/-    0.95       4.3 +/-    0.95  0.040 / 0.080
G07     255.0          13.3                5.2 +/-    1.35      13.5 +/-    1.35  0.060 / 0.080
G09     309.3          26.7                2.3 +/-    1.96       4.3 +/-    1.96  0.100 / 0.300
G14     106.7          10.9                3.3 +/-    3.15       8.9 +/-    3.15  0.090 / 0.230
G16     97.9           63.6                3.5 +/-    0.39       3.9 +/-    0.39  0.110 / 0.450
G22     187.0          42.4                3.2 +/-    1.16       4.5 +/-    1.16  0.110 / 0.510
G23     331.4          60.4                3.0 +/-    0.43       3.4 +/-    0.43  0.050 / 0.060
G26     54.6           43.4                3.1 +/-    0.88       4.2 +/-    0.88  0.030 / 0.050