PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-03:42:40
G08     271.9          20.6                7.2 +/-    1.32      15.6 +/-    1.32  0.070 / 0.220
G10     46.5           61.3                5.3 +/-    0.67       6.0 +/-    0.67  0.070 / 0.210
G11     314.0          15.0                6.6 +/-    2.22      16.4 +/-    2.22  0.100 / 0.230
G14     255.7          63.7                7.1 +/-    1.32       7.8 +/-    1.32  0.090 / 0.250
G18     84.3           41.7                6.0 +/-    0.77       8.5 +/-    0.77  0.030 / 0.030
G21     152.9          21.5                6.8 +/-    1.64      14.3 +/-    1.64  0.030 / 0.030
G24     43.4           16.1                4.6 +/-    0.55      11.0 +/-    0.55  0.060 / 0.060
G27     235.4          19.8                9.7 +/-    1.58      21.5 +/-    1.58  0.050 / 0.060
G31     179.8          23.4                6.8 +/-    0.95      13.7 +/-    0.95  0.080 / 0.170
G32     307.0          75.6                6.5 +/-    0.84       6.7 +/-    0.84  0.090 / 0.160