PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-21:57:40
G02     237.6          74.5               13.0 +/-    0.39      13.4 +/-    0.39  0.040 / 0.040
G05     171.7          15.4               20.6 +/-    2.11      50.8 +/-    2.11  0.050 / 0.040
G06     41.2           58.8               13.0 +/-    0.67      15.0 +/-    0.67  0.060 / 0.090
G12     321.9          51.8               12.4 +/-    0.53      15.3 +/-    0.53  0.100 / 0.070
G17     68.7           25.0               11.6 +/-    1.60      22.6 +/-    1.60  0.110 / 0.170
G19     54.0           41.2               10.7 +/-    1.66      15.3 +/-    1.66  0.170 / 0.230
G24     246.2          35.6               17.8 +/-    2.65      27.9 +/-    2.65  0.040 / 0.030
G25     316.3          10.6              -15.4 +/-   20.23     -42.5 +/-   20.23  0.050 / 0.030