PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-01:12:30
G08     286.9          23.4               12.9 +/-    0.68      26.1 +/-    0.68  0.030 / 0.020
G10     15.2           63.3               13.7 +/-    0.65      15.2 +/-    0.65  0.030 / 0.030
G14     234.9          52.1               14.6 +/-    2.51      18.0 +/-    2.51  0.070 / 0.100
G18     68.6           49.2               14.0 +/-    0.48      17.8 +/-    0.48  0.070 / 0.100
G21     148.0          34.8               14.4 +/-    1.15      22.9 +/-    1.15  0.140 / 0.110
G24     53.3           24.6               11.9 +/-    2.71      23.4 +/-    2.71  0.130 / 0.100
G27     248.0          28.9               15.5 +/-    1.37      27.8 +/-    1.37  0.110 / 0.110
G32     253.9          68.8               12.6 +/-    0.37      13.4 +/-    0.37  0.100 / 0.090