PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/01-23:42:50
G08     310.2          19.2                8.2 +/-    2.60      18.4 +/-    2.60  0.050 / 0.080
G10     327.4          59.3                7.7 +/-    1.03       8.7 +/-    1.03  0.050 / 0.080
G14     216.8          27.8               12.4 +/-    1.94      22.8 +/-    1.94  0.040 / 0.060
G15     46.4           16.4                5.3 +/-    0.65      12.9 +/-    0.65  0.040 / 0.060
G20     307.3          50.2                8.2 +/-    0.86      10.4 +/-    0.86  0.080 / 0.170
G21     131.4          60.9               12.5 +/-    0.79      14.1 +/-    0.79  0.100 / 0.200
G24     75.0           29.3                7.9 +/-    0.98      14.1 +/-    0.98  0.070 / 0.090
G27     278.8          37.6               10.4 +/-    1.07      15.7 +/-    1.07  0.060 / 0.080
G32     220.9          51.7               12.8 +/-    1.32      15.8 +/-    1.32  0.140 / 0.210