PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-23:57:40
G08     317.9          13.7               11.8 +/-    1.41      30.2 +/-    1.41  0.030 / 0.050
G10     308.2          54.7               12.3 +/-    1.06      14.7 +/-    1.06  0.030 / 0.040
G14     212.5          20.6               15.7 +/-    1.47      34.1 +/-    1.47  0.090 / 0.130
G15     45.5           22.2               12.1 +/-    0.96      25.3 +/-    0.96  0.070 / 0.130
G18     14.2           64.3               12.6 +/-    0.75      13.8 +/-    0.75  0.060 / 0.070
G20     77.2           12.4               14.2 +/-    1.78      37.5 +/-    1.78  0.050 / 0.100
G21     116.8          67.5               15.5 +/-    0.90      16.7 +/-    0.90  0.050 / 0.090
G24     90.4           29.1               14.9 +/-    0.62      26.6 +/-    0.62  0.060 / 0.080
G27     289.4          37.5               14.3 +/-    1.07      21.7 +/-    1.07  0.100 / 0.330
G32     215.0          37.5               16.0 +/-    1.35      24.2 +/-    1.35  0.080 / 0.260