PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-23:12:50
G05     50.4           16.0                6.9 +/-    1.68      16.8 +/-    1.68  0.120 / 0.320
G10     240.2          15.9               13.3 +/-    1.21      32.5 +/-    1.21  0.230 / 0.300
G13     69.7           36.7               10.3 +/-    0.89      15.9 +/-    0.89  0.090 / 0.220
G15     117.1          55.4               11.7 +/-    0.72      13.8 +/-    0.72  0.090 / 0.230
G16     310.7          13.0                8.3 +/-    3.36      21.6 +/-    3.36  0.150 / 0.220
G18     251.2          45.9               12.1 +/-    3.43      16.0 +/-    3.43  0.240 / 0.430
G20     34.0           59.6               10.5 +/-    0.98      12.0 +/-    0.98  0.060 / 0.060
G21     318.7          51.2                8.8 +/-    0.58      10.9 +/-    0.58  0.040 / 0.050
G26     283.5          19.1               11.0 +/-    1.01      24.6 +/-    1.01  0.020 / 0.030
G29     158.5          62.6               10.9 +/-    0.60      12.1 +/-    0.60  0.030 / 0.060