PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-22:12:40
G10     292.7          49.7               13.9 +/-    0.63      17.5 +/-    0.63  0.050 / 0.050
G14     209.4          10.8                4.0 +/-   40.53      11.0 +/-   40.53  0.050 / 0.060
G15     46.6           30.8               12.1 +/-    0.56      20.9 +/-    0.56  0.070 / 0.140
G18     352.3          66.5               13.0 +/-    0.41      14.0 +/-    0.41  0.060 / 0.120
G20     69.6           19.6               13.3 +/-    1.62      29.7 +/-    1.62  0.050 / 0.130
G21     91.0           74.1               15.6 +/-    1.52      16.1 +/-    1.52  0.060 / 0.120
G24     101.9          25.4               15.2 +/-    1.18      29.4 +/-    1.18  0.240 / 0.670
G27     301.6          34.0               13.0 +/-    0.86      21.0 +/-    0.86  0.250 / 0.670
G32     210.4          26.5               16.9 +/-    0.89      31.9 +/-    0.89  0.080 / 0.250