PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-00:42:40
G02     56.8           34.9                7.4 +/-    0.68      11.7 +/-    0.68  0.030 / 0.050
G05     62.7           63.0                7.9 +/-    0.50       8.7 +/-    0.50  0.030 / 0.030
G12     184.5          35.4                9.2 +/-    1.58      14.5 +/-    1.58  0.100 / 0.260
G13     130.9          12.8               10.0 +/-    3.49      26.3 +/-    3.49  0.090 / 0.280
G21     268.2          14.5               10.4 +/-    1.12      26.2 +/-    1.12  0.100 / 0.400
G25     243.1          54.2                7.7 +/-    0.75       9.2 +/-    0.75  0.100 / 0.520
G29     325.3          50.2                9.2 +/-    1.31      11.5 +/-    1.31  0.050 / 0.090