PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-00:12:50
G08     305.1          21.1               10.8 +/-    1.22      23.2 +/-    1.22  0.050 / 0.080
G10     336.8          60.6               11.2 +/-    0.37      12.7 +/-    0.37  0.060 / 0.090
G14     220.2          35.7               15.8 +/-    1.02      24.7 +/-    1.02  0.040 / 0.060
G18     43.6           58.1               11.9 +/-    0.77      13.8 +/-    0.77  0.060 / 0.060
G21     137.0          52.5               15.0 +/-    0.62      18.4 +/-    0.62  0.040 / 0.040
G24     71.6           30.4               13.3 +/-    0.68      23.1 +/-    0.68  0.040 / 0.040
G27     268.4          36.9               13.1 +/-    1.04      20.2 +/-    1.04  0.050 / 0.130
G32     226.7          52.9               13.3 +/-    0.60      16.2 +/-    0.60  0.070 / 0.150