PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-00:42:40
G08     293.5          23.4               11.7 +/-    1.22      23.6 +/-    1.22  0.060 / 0.090
G10     1.4            62.9               10.3 +/-    0.98      11.4 +/-    0.98  0.040 / 0.090
G14     228.8          46.6               14.5 +/-    0.74      19.1 +/-    0.74  0.050 / 0.090
G18     60.7           52.4               11.4 +/-    0.76      13.9 +/-    0.76  0.050 / 0.110
G21     145.0          40.9               15.1 +/-    0.90      21.6 +/-    0.90  0.030 / 0.040
G24     59.0           27.4               11.8 +/-    0.53      21.9 +/-    0.53  0.030 / 0.040
G27     254.4          32.3               12.0 +/-    1.38      20.1 +/-    1.38  0.060 / 0.080
G32     241.5          63.7               14.7 +/-    0.58      16.2 +/-    0.58  0.060 / 0.090