PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-22:12:50
G05     49.3           16.1                6.9 +/-    1.37      16.6 +/-    1.37  0.090 / 0.230
G10     237.0          13.6               12.9 +/-    2.60      33.3 +/-    2.60  0.140 / 0.240
G13     73.7           36.1                9.5 +/-    1.60      14.8 +/-    1.60  0.050 / 0.060
G15     127.7          52.8               12.2 +/-    0.60      14.8 +/-    0.60  0.050 / 0.060
G16     311.5          13.9                8.2 +/-    2.31      20.9 +/-    2.31  0.140 / 0.340
G20     242.3          10.1               13.2 +/-    1.04      36.8 +/-    1.04  0.110 / 0.420
G21     313.6          47.1               10.0 +/-    0.86      13.1 +/-    0.86  0.070 / 0.090
G26     284.3          20.8               12.6 +/-    1.35      27.2 +/-    1.35  0.050 / 0.090
G29     157.4          72.2               10.6 +/-    0.41      11.0 +/-    0.41  0.030 / 0.060