PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-16:27:50
G05     51.7           11.6               11.4 +/-    1.88      30.7 +/-    1.88  0.410 / 0.160
G10     241.5          17.5               15.8 +/-    1.03      37.0 +/-    1.03  0.350 / 0.220
G13     67.1           36.0               12.1 +/-    1.32      18.8 +/-    1.32  0.030 / 0.060
G15     108.1          56.0               15.5 +/-    0.96      18.3 +/-    0.96  0.040 / 0.050
G16     311.9          11.8                9.9 +/-    6.10      26.6 +/-    6.10  0.110 / 0.190
G18     254.7          49.6               13.8 +/-    4.77      17.5 +/-    4.77  0.120 / 0.150
G20     32.2           60.7               12.4 +/-    0.76      13.9 +/-    0.76  0.040 / 0.050
G21     325.3          55.6               12.1 +/-    0.72      14.4 +/-    0.72  0.050 / 0.050
G26     282.8          18.5               10.7 +/-    1.31      24.4 +/-    1.31  0.050 / 0.090
G29     157.6          57.5               16.4 +/-    0.89      19.1 +/-    0.89  0.050 / 0.080