PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/31-00:12:50
G10     298.8          51.8               10.5 +/-    1.84      12.9 +/-    1.84  0.150 / 0.180
G14     210.5          15.0               15.1 +/-    1.89      37.6 +/-    1.89  0.120 / 0.170
G15     46.0           27.9                9.1 +/-    1.75      16.6 +/-    1.75  0.040 / 0.030
G18     0.4            65.8               10.0 +/-    0.58      10.9 +/-    0.58  0.040 / 0.040
G20     72.9           16.2               10.0 +/-    2.62      24.1 +/-    2.62  0.070 / 0.120
G21     102.4          72.4               12.2 +/-    0.87      12.8 +/-    0.87  0.060 / 0.110
G24     97.3           27.2               12.5 +/-    1.15      23.3 +/-    1.15  0.140 / 0.530
G27     296.9          35.8               11.5 +/-    1.25      18.0 +/-    1.25  0.140 / 0.390
G32     212.0          31.7               12.0 +/-    1.82      20.3 +/-    1.82  0.080 / 0.080