PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/18-02:12:50
G08     270.4          20.1                8.3 +/-    1.49      18.2 +/-    1.49  0.530 / 0.210
G10     52.5           60.0                6.8 +/-    0.74       7.7 +/-    0.74  0.110 / 0.430
G14     256.0          62.2                6.9 +/-    0.97       7.7 +/-    0.97  0.150 / 0.200
G18     314.4          28.0                5.3 +/-    1.67       9.7 +/-    1.67  0.140 / 0.210
G20     49.1           67.0               23.5 +/-    0.97      25.3 +/-    0.97  0.230 / 0.290
G21     154.2          20.9                6.5 +/-    2.37      14.0 +/-    2.37  0.170 / 0.260
G24     40.9           12.0                5.3 +/-    1.46      14.1 +/-    1.46  0.040 / 0.040
G27     235.6          19.1                9.0 +/-    5.24      20.3 +/-    5.24  0.040 / 0.050
G31     177.7          27.3                8.4 +/-    1.90      15.5 +/-    1.90  0.090 / 0.270
G32     329.1          75.9                8.2 +/-    0.41       8.4 +/-    0.41  0.150 / 0.230