PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-00:12:30
G02     20.8           65.2                8.8 +/-    0.33       9.6 +/-    0.33  0.020 / 0.030
G05     152.6          51.1               14.0 +/-    1.61      17.4 +/-    1.61  0.020 / 0.030
G06     47.8           24.9                8.3 +/-    1.12      16.3 +/-    1.12  0.040 / 0.050
G12     231.7          78.9                8.6 +/-    1.18       8.8 +/-    1.18  0.030 / 0.050
G19     89.2           18.7               11.0 +/-    1.05      25.0 +/-    1.05  0.190 / 0.260
G24     216.2          11.1               15.9 +/-    4.12      43.4 +/-    4.12  0.160 / 0.300
G25     310.7          43.3                8.8 +/-    0.94      12.2 +/-    0.94  0.040 / 0.050
G29     298.0          18.4                9.7 +/-    1.29      22.3 +/-    1.29  0.030 / 0.050