PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-17:43:00
G08     297.8          23.3                8.0 +/-    1.84      16.2 +/-    1.84  0.040 / 0.080
G10     355.0          62.4                7.5 +/-    0.93       8.3 +/-    0.93  0.040 / 0.070
G14     224.6          41.2                9.9 +/-    1.08      14.2 +/-    1.08  0.050 / 0.100
G20     56.2           55.5                8.2 +/-    0.63       9.8 +/-    0.63  0.050 / 0.110
G21     142.6          43.8               10.3 +/-    0.97      14.1 +/-    0.97  0.030 / 0.030
G24     58.2           25.1                8.3 +/-    1.40      16.2 +/-    1.40  0.030 / 0.040
G27     264.3          34.4               10.3 +/-    1.22      16.5 +/-    1.22  0.100 / 0.170
G32     234.8          61.7               11.9 +/-    0.58      13.4 +/-    0.58  0.090 / 0.180