PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-22:27:30
G02     222.3          66.8               13.9 +/-    0.94      15.0 +/-    0.94  0.050 / 0.050
G06     46.7           67.7               12.0 +/-    0.50      12.8 +/-    0.50  0.030 / 0.050
G12     320.5          42.8               11.3 +/-    0.91      15.8 +/-    0.91  0.090 / 0.090
G17     61.1           30.8                9.6 +/-    0.88      16.5 +/-    0.88  0.050 / 0.080
G19     44.8           46.5               11.5 +/-    0.93      15.2 +/-    0.93  0.030 / 0.030
G24     256.7          39.7               14.8 +/-    2.60      21.6 +/-    2.60  0.030 / 0.030