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               11.7 +/-    0.31      11.9 +/-    0.31  0.100 / 0.190
G05     169.5          22.2               13.3 +/-    4.94      27.7 +/-    4.94  0.140 / 0.190
G06     40.4           49.1               11.0 +/-    0.93      14.0 +/-    0.93  0.070 / 0.120
G12     321.6          64.0                9.7 +/-    0.73      10.7 +/-    0.73  0.070 / 0.110
G17     77.2           17.2                9.9 +/-    2.58      23.4 +/-    2.58  0.160 / 0.340
G19     61.7           37.1               11.7 +/-    1.92      17.8 +/-    1.92  0.190 / 0.210
G24     236.3          30.2               14.2 +/-    1.85      24.7 +/-    1.85  0.030 / 0.030
G25     317.5          19.1                8.5 +/-    1.33      19.1 +/-    1.33  0.030 / 0.040