PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-00:58:10
G02     49.5           41.0               11.1 +/-    0.55      15.9 +/-    0.55  0.060 / 0.070
G05     84.0           68.2               12.5 +/-    0.42      13.4 +/-    0.42  0.030 / 0.080
G12     186.8          45.8               16.5 +/-    1.70      22.0 +/-    1.70  0.030 / 0.040
G25     261.2          57.8               15.0 +/-    0.71      17.4 +/-    0.71  0.030 / 0.050
G29     319.5          42.0               14.5 +/-    1.06      20.4 +/-    1.06  0.040 / 0.060