PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/12-01:42:50
G08     318.2          13.5                6.8 +/-    3.10      17.6 +/-    3.10  0.050 / 0.130
G10     307.2          54.4                6.6 +/-    1.06       7.9 +/-    1.06  0.070 / 0.110
G14     212.2          20.2                9.0 +/-    3.45      19.8 +/-    3.45  0.110 / 0.120
G15     45.6           23.8                7.0 +/-    3.32      14.0 +/-    3.32  0.070 / 0.100
G18     11.2           64.7                6.3 +/-    0.93       6.9 +/-    0.93  0.040 / 0.050
G20     77.0           12.3                8.6 +/-    4.55      22.8 +/-    4.55  0.050 / 0.060
G21     115.0          68.7                9.5 +/-    0.96      10.1 +/-    0.96  0.030 / 0.030
G24     91.1           28.9                9.6 +/-    1.78      17.2 +/-    1.78  0.040 / 0.030
G27     290.1          37.4                5.9 +/-    3.66       9.0 +/-    3.66  0.070 / 0.080
G32     214.5          37.9                8.1 +/-    1.99      12.2 +/-    1.99  0.050 / 0.080