PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-23:43:00
G08     264.2          17.6                8.8 +/-    2.18      20.7 +/-    2.18  0.130 / 0.220
G10     64.7           57.4                7.3 +/-    0.50       8.5 +/-    0.50  0.130 / 0.220
G11     309.8          18.9                7.1 +/-    2.20      16.1 +/-    2.20  0.040 / 0.070
G14     269.9          66.8                6.3 +/-    0.82       6.8 +/-    0.82  0.060 / 0.050
G18     311.0          34.3                5.9 +/-    1.92       9.4 +/-    1.92  0.150 / 0.410
G20     97.0           35.5                8.3 +/-    0.63      13.0 +/-    0.63  0.140 / 0.490
G21     155.0          13.5               11.4 +/-    2.35      29.3 +/-    2.35  0.150 / 0.280
G27     231.6          15.1               10.4 +/-    0.75      25.8 +/-    0.75  0.130 / 0.270
G31     177.8          32.3                8.8 +/-    1.77      14.7 +/-    1.77  0.140 / 0.340
G32     348.1          73.0                8.3 +/-    0.41       8.7 +/-    0.41  0.120 / 0.360