PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-22:57:30
G08     295.0          23.2               16.1 +/-    1.35      32.8 +/-    1.35  0.030 / 0.030
G10     358.8          62.8               15.6 +/-    0.61      17.3 +/-    0.61  0.030 / 0.030
G14     227.7          45.2               20.9 +/-    1.40      28.1 +/-    1.40  0.060 / 0.090
G18     59.8           52.6               16.6 +/-    0.98      20.3 +/-    0.98  0.050 / 0.100
G21     144.2          41.2               19.0 +/-    0.73      27.2 +/-    0.73  0.040 / 0.090
G24     60.2           27.8               14.9 +/-    1.02      27.3 +/-    1.02  0.050 / 0.090
G27     255.8          32.9               17.1 +/-    1.12      28.2 +/-    1.12  0.090 / 0.120
G32     239.0          61.5               17.6 +/-    0.63      19.8 +/-    0.63  0.090 / 0.110