PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-00:58:00
G08     286.3          23.4               11.4 +/-    0.82      23.0 +/-    0.82  0.030 / 0.030
G10     16.7           63.3               12.6 +/-    0.59      13.9 +/-    0.59  0.030 / 0.020
G14     235.6          52.6               14.1 +/-    1.89      17.2 +/-    1.89  0.130 / 0.090
G18     69.4           48.8               11.9 +/-    1.40      15.3 +/-    1.40  0.100 / 0.170
G21     148.2          34.1               13.2 +/-    0.94      21.3 +/-    0.94  0.050 / 0.100
G24     52.8           24.3               10.4 +/-    1.54      20.6 +/-    1.54  0.050 / 0.110
G27     247.4          28.5               12.7 +/-    0.98      23.0 +/-    0.98  0.100 / 0.110
G32     255.1          69.1               12.2 +/-    0.50      13.0 +/-    0.50  0.090 / 0.120