PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-20:12:40
G02     201.3          26.5               17.2 +/-    1.63      32.4 +/-    1.63  0.140 / 0.210
G06     165.7          61.4               16.4 +/-    0.88      18.4 +/-    0.88  0.090 / 0.100
G12     303.5          10.6               -5.8 +/-   14.11     -15.9 +/-   14.11  0.090 / 0.120
G17     25.6           56.9               13.9 +/-    0.82      16.3 +/-    0.82  0.040 / 0.030
G19     335.1          69.5               13.2 +/-    0.48      14.0 +/-    0.48  0.030 / 0.030
G24     305.2          34.0               12.3 +/-    1.48      19.8 +/-    1.48  0.030 / 0.030
G28     94.6           36.1               13.3 +/-    0.96      20.6 +/-    0.96  0.030 / 0.030