PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-00:27:30
G08     296.7          23.1               14.9 +/-    1.47      30.6 +/-    1.47  0.060 / 0.100
G10     354.7          62.5               13.7 +/-    0.97      15.3 +/-    0.97  0.060 / 0.090
G14     226.2          43.7               19.5 +/-    1.71      26.8 +/-    1.71  0.040 / 0.030
G18     56.5           54.0               14.4 +/-    0.48      17.4 +/-    0.48  0.030 / 0.040
G21     143.2          43.9               19.1 +/-    1.23      26.2 +/-    1.23  0.090 / 0.110
G24     62.1           28.5               13.6 +/-    0.87      24.6 +/-    0.87  0.080 / 0.100
G27     257.9          33.7               16.8 +/-    1.90      27.3 +/-    1.90  0.040 / 0.070
G32     236.7          60.9               19.2 +/-    0.59      21.7 +/-    0.59  0.050 / 0.090