PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-16:57:50
G10     267.0          38.6                9.7 +/-    1.08      14.4 +/-    1.08  0.080 / 0.160
G13     41.8           18.0                6.8 +/-    0.67      15.8 +/-    0.67  0.090 / 0.130
G15     61.1           51.0                8.6 +/-    0.35      10.8 +/-    0.35  0.040 / 0.050
G16     279.8          12.2                7.5 +/-    1.65      19.8 +/-    1.65  0.040 / 0.040
G20     297.5          60.3                8.4 +/-    0.53       9.5 +/-    0.53  0.210 / 0.550
G21     8.9            72.5                9.4 +/-    0.70       9.9 +/-    0.70  0.230 / 0.570
G24     116.6          14.6               10.3 +/-    1.81      25.9 +/-    1.81  0.080 / 0.260
G27     319.6          17.1                7.0 +/-    1.07      16.5 +/-    1.07  0.090 / 0.230
G29     167.3          30.7                9.5 +/-    0.83      16.5 +/-    0.83  0.160 / 0.220