PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-18:12:40
G05     51.7           13.1                7.5 +/-    3.35      19.7 +/-    3.35  0.200 / 0.120
G10     242.6          19.9               11.0 +/-    1.93      24.3 +/-    1.93  0.090 / 0.140
G13     63.7           34.1                8.4 +/-    2.26      13.5 +/-    2.26  0.100 / 0.340
G15     114.7          57.4               10.9 +/-    0.81      12.7 +/-    0.81  0.100 / 0.330
G16     305.3          14.9                6.9 +/-    1.74      17.2 +/-    1.74  0.090 / 0.120
G20     257.7          44.0               11.5 +/-    3.37      15.7 +/-    3.37  0.070 / 0.100
G21     323.5          53.9               10.4 +/-    0.63      12.6 +/-    0.63  0.060 / 0.050
G26     278.1          18.7                8.9 +/-    1.06      20.1 +/-    1.06  0.040 / 0.050
G29     160.8          61.5               12.3 +/-    0.78      13.8 +/-    0.78  0.030 / 0.030