PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-20:57:50
G10     291.9          49.4               13.5 +/-    1.01      17.2 +/-    1.01  0.050 / 0.050
G14     209.3          10.1               -6.5 +/-   25.09     -18.2 +/-   25.09  0.040 / 0.050
G15     46.7           30.8               12.9 +/-    0.60      22.1 +/-    0.60  0.050 / 0.090
G18     352.1          66.5               12.9 +/-    0.31      13.9 +/-    0.31  0.070 / 0.090
G20     69.0           20.5               14.1 +/-    1.73      30.6 +/-    1.73  0.060 / 0.170
G21     90.7           73.8               14.2 +/-    0.75      14.7 +/-    0.75  0.070 / 0.130
G24     102.5          25.2               15.2 +/-    1.37      29.7 +/-    1.37  0.090 / 0.290
G27     302.3          33.7               13.9 +/-    1.35      22.5 +/-    1.35  0.100 / 0.200
G32     210.2          26.0               17.4 +/-    1.36      33.2 +/-    1.36  0.150 / 0.420