PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-19:12:30
G02     287.1          80.2               14.3 +/-    0.94      14.5 +/-    0.94  0.110 / 0.230
G05     170.2          24.9               19.3 +/-    2.12      37.7 +/-    2.12  0.100 / 0.270
G06     40.7           45.8               10.6 +/-    0.79      14.1 +/-    0.79  0.080 / 0.160
G12     317.9          66.1               10.3 +/-    2.07      11.2 +/-    2.07  0.070 / 0.150
G17     82.8           12.5               12.4 +/-    1.83      32.7 +/-    1.83  0.020 / 0.050
G19     71.0           29.1               11.7 +/-    0.67      20.9 +/-    0.67  0.030 / 0.050
G24     235.0          27.5               16.4 +/-    0.58      30.3 +/-    0.58  0.080 / 0.120
G25     317.6          28.2               11.4 +/-    1.92      20.7 +/-    1.92  0.080 / 0.130