PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-00:12:30
G02     16.1           68.2                8.5 +/-    1.20       9.1 +/-    1.20  0.250 / 0.530
G05     155.6          47.4               15.0 +/-    1.31      19.5 +/-    1.31  0.170 / 0.410
G06     46.2           28.0                8.0 +/-    2.35      14.6 +/-    2.35  0.030 / 0.030
G12     255.1          80.1                9.8 +/-    0.83       9.9 +/-    0.83  0.020 / 0.020
G19     86.0           20.9               10.6 +/-    2.10      22.8 +/-    2.10  0.030 / 0.040
G24     218.7          13.6               20.5 +/-    2.14      52.7 +/-    2.14  0.030 / 0.050
G25     313.0          40.1                9.6 +/-    3.09      13.9 +/-    3.09  0.040 / 0.040
G29     295.4          16.0               10.7 +/-    2.17      26.0 +/-    2.17  0.030 / 0.050