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                6.5 +/-    1.54      16.8 +/-    1.54  0.050 / 0.080
G10     242.6          19.9               11.3 +/-    1.02      24.9 +/-    1.02  0.040 / 0.070
G13     63.7           34.1                9.8 +/-    0.99      15.8 +/-    0.99  0.120 / 0.670
G15     114.7          57.4                9.7 +/-    0.79      11.2 +/-    0.79  0.120 / 0.590
G16     305.3          14.9                6.2 +/-    3.27      15.5 +/-    3.27  0.070 / 0.130
G20     257.7          44.0                8.9 +/-    2.21      12.1 +/-    2.21  0.070 / 0.130
G21     323.5          53.9                9.1 +/-    1.86      11.0 +/-    1.86  0.070 / 0.160
G26     278.1          18.7                9.1 +/-    1.52      20.7 +/-    1.52  0.090 / 0.130
G29     160.8          61.5               12.3 +/-    1.02      13.8 +/-    1.02  0.030 / 0.040