PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-01:12:00
G02     51.3           39.5               10.5 +/-    1.83      15.4 +/-    1.83  0.060 / 0.060
G05     78.0           67.3               11.4 +/-    0.56      12.2 +/-    0.56  0.040 / 0.060
G12     186.3          43.5               15.2 +/-    0.71      20.9 +/-    0.71  0.030 / 0.030
G25     256.8          57.3               11.5 +/-    2.15      13.4 +/-    2.15  0.030 / 0.030
G29     320.9          43.9               11.4 +/-    0.94      15.5 +/-    0.94  0.060 / 0.050