PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-00:12:00
G02     44.1           45.8               12.6 +/-    0.51      16.8 +/-    0.51  0.050 / 0.050
G05     104.2          68.9               14.6 +/-    0.94      15.5 +/-    0.94  0.040 / 0.040
G12     188.3          52.7               17.7 +/-    0.84      21.6 +/-    0.84  0.020 / 0.030
G25     274.5          58.1               19.0 +/-    1.38      22.0 +/-    1.38  0.030 / 0.030
G29     315.3          36.7               14.2 +/-    1.36      21.9 +/-    1.36  0.040 / 0.040