PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-18:12:30
G02     310.2          80.4                9.6 +/-    0.40       9.7 +/-    0.40  0.070 / 0.110
G05     166.3          29.8               13.8 +/-    1.31      24.3 +/-    1.31  0.040 / 0.110
G06     41.3           41.5                8.3 +/-    0.60      11.8 +/-    0.60  0.040 / 0.040
G12     315.3          72.3                8.8 +/-    0.65       9.2 +/-    0.65  0.030 / 0.040
G17     83.6           12.6               10.1 +/-    1.63      26.6 +/-    1.63  0.030 / 0.030
G19     69.7           32.2                9.8 +/-    0.56      16.4 +/-    0.56  0.030 / 0.030
G24     229.6          24.8               11.6 +/-    2.84      22.9 +/-    2.84  0.070 / 0.150
G25     317.6          26.3                8.2 +/-    2.34      15.6 +/-    2.34  0.080 / 0.170