PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-19:13:00
G08     292.1          23.8                9.5 +/-    0.94      19.2 +/-    0.94  0.060 / 0.070
G10     7.0            62.9                8.5 +/-    0.96       9.4 +/-    0.96  0.040 / 0.080
G14     229.0          46.1               10.1 +/-    2.47      13.4 +/-    2.47  0.090 / 0.120
G18     317.5          11.2               -2.3 +/-   21.79      -6.3 +/-   21.79  0.130 / 0.120
G20     64.4           52.6                8.0 +/-    0.76       9.8 +/-    0.76  0.120 / 0.180
G21     145.9          39.2                9.2 +/-    0.96      13.6 +/-    0.96  0.130 / 0.230
G24     53.6           23.1                6.4 +/-    2.32      13.1 +/-    2.32  0.150 / 0.150
G27     257.5          32.1                7.5 +/-    1.86      12.7 +/-    1.86  0.130 / 0.160
G32     244.2          67.1                8.9 +/-    0.81       9.5 +/-    0.81  0.170 / 0.310