PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-17:42:50
G02     262.9          78.4               10.1 +/-    0.77      10.3 +/-    0.77  0.080 / 0.150
G05     169.5          22.2               13.4 +/-    0.92      28.0 +/-    0.92  0.050 / 0.120
G06     40.4           49.1                9.7 +/-    0.43      12.3 +/-    0.43  0.040 / 0.050
G12     321.6          64.0                7.4 +/-    0.71       8.1 +/-    0.71  0.040 / 0.050
G17     77.2           17.2                9.4 +/-    1.28      22.3 +/-    1.28  0.020 / 0.030
G19     61.7           37.1                9.6 +/-    1.11      14.7 +/-    1.11  0.030 / 0.050
G24     236.3          30.2               12.7 +/-    1.13      22.2 +/-    1.13  0.120 / 0.290
G25     317.5          19.1                9.4 +/-    1.12      21.1 +/-    1.12  0.110 / 0.320