PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/18-02:43:00
G01     319.7          16.3                4.5 +/-    1.97      11.0 +/-    1.97  0.230 / 0.360
G08     257.7          14.2                8.0 +/-    1.51      20.2 +/-    1.51  0.210 / 0.410
G10     76.8           54.1                7.4 +/-    0.67       8.9 +/-    0.67  0.120 / 0.260
G11     304.1          22.7                3.9 +/-    1.99       8.1 +/-    1.99  0.110 / 0.220
G14     288.0          69.5                6.4 +/-    0.92       6.8 +/-    0.92  0.040 / 0.050
G18     306.3          39.1                6.6 +/-    1.43       9.7 +/-    1.43  0.040 / 0.050
G20     80.5           61.5               25.5 +/-    1.16      28.6 +/-    1.16  0.080 / 0.210
G27     225.6          10.1                8.9 +/-    4.32      24.9 +/-    4.32  0.100 / 0.210
G31     174.5          41.7                9.2 +/-    0.81      13.0 +/-    0.81  0.160 / 0.270
G32     8.1            67.7                6.1 +/-    1.23       6.6 +/-    1.23  0.210 / 0.280