PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-20:57:30
G01     304.4          35.3                9.2 +/-    1.14      14.4 +/-    1.14  0.080 / 0.130
G10     109.3          37.1               11.1 +/-    0.73      17.0 +/-    0.73  0.090 / 0.160
G11     276.7          28.2                8.6 +/-    0.84      15.7 +/-    0.84  0.050 / 0.070
G14     4.6            65.3                8.8 +/-    0.66       9.6 +/-    0.66  0.050 / 0.050
G20     122.4          11.7                9.7 +/-    1.68      26.2 +/-    1.68  0.060 / 0.130
G22     310.8          27.6                7.5 +/-    1.35      13.8 +/-    1.35  0.060 / 0.110
G25     74.1           16.1                8.3 +/-    1.19      20.2 +/-    1.19  0.090 / 0.330
G31     168.3          66.5               10.7 +/-    1.02      11.6 +/-    1.02  0.110 / 0.360
G32     39.1           50.5                9.2 +/-    0.73      11.6 +/-    0.73  0.030 / 0.050