PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-00:12:50
G02     43.0           46.8                8.3 +/-    0.58      10.9 +/-    0.58  0.060 / 0.050
G05     108.5          68.7               10.3 +/-    0.73      11.0 +/-    0.73  0.040 / 0.050
G12     188.9          54.3               13.6 +/-    1.28      16.3 +/-    1.28  0.030 / 0.050
G25     277.4          57.9               10.9 +/-    0.84      12.7 +/-    0.84  0.030 / 0.040
G29     314.4          35.6               10.3 +/-    1.70      16.2 +/-    1.70  0.040 / 0.060