PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-18:12:30
G02     258.3          78.0               10.3 +/-    0.60      10.5 +/-    0.60  0.060 / 0.150
G05     169.8          21.1               12.7 +/-    1.43      27.2 +/-    1.43  0.060 / 0.140
G06     40.3           50.5               10.9 +/-    0.45      13.7 +/-    0.45  0.040 / 0.050
G12     321.9          62.3                9.4 +/-    0.69      10.5 +/-    0.69  0.030 / 0.040
G17     76.1           18.2               12.2 +/-    0.75      28.0 +/-    0.75  0.120 / 0.210
G19     60.6           37.7               11.7 +/-    1.03      17.7 +/-    1.03  0.100 / 0.190
G24     237.6          31.0               12.8 +/-    1.65      21.9 +/-    1.65  0.030 / 0.030
G25     317.4          17.9               10.7 +/-    1.94      24.8 +/-    1.94  0.030 / 0.040