PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-17:42:30
G02     315.8          80.1                6.1 +/-    1.06       6.1 +/-    1.06  0.050 / 0.130
G05     165.9          30.8               10.4 +/-    1.55      17.9 +/-    1.55  0.040 / 0.100
G06     41.6           40.2                5.7 +/-    0.79       8.2 +/-    0.79  0.100 / 0.210
G17     84.8           11.6                8.0 +/-    2.03      21.6 +/-    2.03  0.090 / 0.240
G19     70.7           31.6                7.9 +/-    1.07      13.4 +/-    1.07  0.040 / 0.050
G24     228.5          23.9               10.2 +/-    2.03      20.5 +/-    2.03  0.030 / 0.050
G25     317.4          27.5                3.5 +/-    1.42       6.5 +/-    1.42  0.070 / 0.130