PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/25-00:42:20
G02     36.1           52.9               10.4 +/-    0.89      12.7 +/-    0.89  0.020 / 0.050
G05     130.8          64.6               12.6 +/-    0.86      13.8 +/-    0.86  0.030 / 0.040
G06     55.5           13.1                7.6 +/-    1.00      19.8 +/-    1.00  0.030 / 0.040
G12     194.6          64.3               11.4 +/-    0.68      12.5 +/-    0.68  0.030 / 0.040
G25     293.5          54.5               10.5 +/-    0.55      12.6 +/-    0.55  0.030 / 0.050
G29     308.8          29.1                9.0 +/-    1.68      16.1 +/-    1.68  0.030 / 0.060