PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/25-02:12:30
G02     22.8           64.1                8.2 +/-    0.45       9.0 +/-    0.45  0.020 / 0.040
G05     151.7          51.8               13.8 +/-    0.68      17.0 +/-    0.68  0.020 / 0.080
G06     47.9           25.1                8.8 +/-    1.21      17.2 +/-    1.21  0.040 / 0.050
G12     234.2          78.6               11.0 +/-    0.46      11.2 +/-    0.46  0.030 / 0.050
G19     90.0           17.8                9.8 +/-    0.86      22.8 +/-    0.86  0.040 / 0.050
G24     216.2          10.9               14.3 +/-    1.93      39.1 +/-    1.93  0.030 / 0.040
G25     310.4          43.6                9.0 +/-    1.13      12.3 +/-    1.13  0.050 / 0.090
G29     298.7          19.2                9.0 +/-    1.62      20.3 +/-    1.62  0.050 / 0.080