PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-22:28:10
G02     49.1           41.8               11.8 +/-    1.12      16.7 +/-    1.12  0.020 / 0.030
G05     84.1           68.5               13.2 +/-    0.63      14.1 +/-    0.63  0.020 / 0.030
G12     185.1          43.9               16.9 +/-    0.70      23.2 +/-    0.70  0.040 / 0.050
G13     137.1          7.2                25.6 +/-    4.98      75.4 +/-    4.98  0.040 / 0.050
G21     261.6          9.0                20.2 +/-   18.43      57.5 +/-   18.43  0.060 / 0.070
G25     258.7          57.9               15.5 +/-    1.54      17.9 +/-    1.54  0.060 / 0.080
G29     319.7          42.3               13.4 +/-    0.71      18.9 +/-    0.71  0.230 / 0.580