PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-00:28:10
G02     48.9           41.7                9.3 +/-    0.41      13.1 +/-    0.41  0.040 / 0.060
G05     86.1           68.4                9.7 +/-    0.53      10.4 +/-    0.53  0.040 / 0.060
G12     186.7          46.3               14.0 +/-    2.25      18.5 +/-    2.25  0.020 / 0.040
G25     262.3          57.9               10.5 +/-    0.77      12.2 +/-    0.77  0.030 / 0.040
G29     319.1          41.5               11.5 +/-    1.15      16.3 +/-    1.15  0.040 / 0.070