PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-20:27:20
G02     203.5          35.2               20.2 +/-    1.93      31.9 +/-    1.93  0.110 / 0.220
G06     155.3          70.6               17.8 +/-    1.03      18.8 +/-    1.03  0.090 / 0.140
G12     308.4          17.1               13.4 +/-    2.22      31.7 +/-    2.22  0.080 / 0.100
G17     34.6           50.5               13.8 +/-    0.71      17.3 +/-    0.71  0.080 / 0.080
G19     357.8          65.7               15.0 +/-    0.75      16.2 +/-    0.75  0.030 / 0.050
G24     296.7          38.8               15.3 +/-    1.28      22.6 +/-    1.28  0.030 / 0.050
G28     103.2          30.7               15.7 +/-    1.42      27.2 +/-    1.42  0.070 / 0.130