PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-22:12:30
G10     254.0          29.6               11.2 +/-    0.96      19.7 +/-    0.96  0.050 / 0.050
G13     50.1           27.4                8.1 +/-    1.60      15.0 +/-    1.60  0.050 / 0.050
G15     84.6           58.8               10.2 +/-    0.39      11.7 +/-    0.39  0.160 / 0.540
G16     290.0          15.7                7.1 +/-    3.43      17.4 +/-    3.43  0.140 / 0.470
G20     256.2          19.3                6.0 +/-    1.14      13.4 +/-    1.14  0.090 / 0.160
G21     337.0          62.1                8.7 +/-    0.58       9.7 +/-    0.58  0.070 / 0.190
G26     262.6          14.1               10.4 +/-    1.70      26.4 +/-    1.70  0.020 / 0.040
G29     166.2          46.9               10.3 +/-    1.15      13.5 +/-    1.15  0.030 / 0.040