PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-00:12:00
G02     50.0           40.7                9.3 +/-    0.89      13.3 +/-    0.89  0.030 / 0.050
G05     81.8           68.0               10.9 +/-    0.37      11.7 +/-    0.37  0.030 / 0.050
G12     186.1          44.4               14.4 +/-    1.75      19.6 +/-    1.75  0.030 / 0.060
G25     258.9          57.7               13.0 +/-    1.03      15.1 +/-    1.03  0.040 / 0.050
G29     320.0          42.7               12.6 +/-    1.97      17.5 +/-    1.97  0.040 / 0.060