PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/09-01:12:30
G02     20.8           65.4                9.1 +/-    0.53       9.9 +/-    0.53  0.020 / 0.030
G05     152.9          50.6               13.4 +/-    1.41      16.8 +/-    1.41  0.030 / 0.030
G06     47.5           25.7                9.6 +/-    0.41      18.5 +/-    0.41  0.030 / 0.050
G12     238.4          79.2                9.7 +/-    0.89       9.8 +/-    0.89  0.040 / 0.060
G19     88.8           18.8               10.8 +/-    1.08      24.5 +/-    1.08  0.060 / 0.100
G24     216.8          11.6               11.7 +/-    1.63      31.4 +/-    1.63  0.060 / 0.090
G25     311.2          42.6                9.0 +/-    0.99      12.5 +/-    0.99  0.040 / 0.050
G29     297.7          18.1                7.7 +/-    1.21      17.7 +/-    1.21  0.030 / 0.050