PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-15:12:50
G08     274.8          19.6                6.2 +/-    0.67      13.8 +/-    0.67  0.280 / 0.200
G10     50.0           60.7                5.6 +/-    0.97       6.4 +/-    0.97  0.100 / 0.400
G11     316.2          11.7                1.9 +/-   11.23       5.1 +/-   11.23  0.080 / 0.180
G14     254.9          61.5                6.8 +/-    0.85       7.6 +/-    0.85  0.090 / 0.160
G21     152.8          18.0                7.9 +/-    1.47      18.2 +/-    1.47  0.040 / 0.040
G24     42.4           14.5                4.8 +/-    3.43      12.2 +/-    3.43  0.040 / 0.050
G27     235.0          19.1                6.5 +/-    4.78      14.6 +/-    4.78  0.080 / 0.090
G31     179.2          25.2                6.7 +/-    2.44      13.1 +/-    2.44  0.070 / 0.090
G32     319.9          75.9                6.1 +/-    0.53       6.3 +/-    0.53  0.300 / 0.470