PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-21:27:50
G08     262.0          16.8                9.4 +/-    1.85      22.4 +/-    1.85  0.210 / 0.340
G10     68.2           56.4                6.7 +/-    0.37       7.9 +/-    0.37  0.210 / 0.290
G11     308.2          20.2                7.9 +/-    1.42      17.3 +/-    1.42  0.230 / 0.400
G14     275.6          68.3                8.9 +/-    0.77       9.5 +/-    0.77  0.200 / 0.550
G18     309.4          36.6                8.7 +/-    1.79      13.4 +/-    1.79  0.040 / 0.040
G20     98.9           34.1                8.7 +/-    0.71      14.1 +/-    0.71  0.040 / 0.050
G21     155.0          10.8               11.5 +/-    1.89      31.6 +/-    1.89  0.120 / 0.380
G27     230.7          14.0               10.1 +/-    1.33      25.8 +/-    1.33  0.110 / 0.340
G31     178.5          33.1               10.8 +/-    1.76      17.7 +/-    1.76  0.150 / 0.340
G32     351.3          72.2                8.0 +/-    0.61       8.4 +/-    0.61  0.140 / 0.340