PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-02:12:30
G02     204.1          41.5               10.5 +/-    0.71      14.9 +/-    0.71  0.090 / 0.110
G06     153.8          73.5                9.7 +/-    0.48      10.1 +/-    0.48  0.150 / 0.140
G12     310.0          18.2                8.5 +/-    0.94      19.5 +/-    0.94  0.090 / 0.140
G17     38.0           48.1                7.4 +/-    1.94       9.5 +/-    1.94  0.090 / 0.130
G19     10.9           62.3                7.3 +/-    0.53       8.1 +/-    0.53  0.050 / 0.050
G24     292.9          39.9                8.4 +/-    8.46      12.3 +/-    8.46  0.030 / 0.040
G28     107.4          27.4                9.1 +/-    1.75      16.8 +/-    1.75  0.070 / 0.070