PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/01-00:13:00
G08     320.5          11.2                0.2 +/-   30.97       0.7 +/-   30.97  0.050 / 0.080
G10     301.5          52.7               11.0 +/-    0.93      13.5 +/-    0.93  0.050 / 0.080
G14     211.0          16.7               14.7 +/-    5.90      35.1 +/-    5.90  0.030 / 0.050
G15     45.8           26.2               11.0 +/-    0.80      20.8 +/-    0.80  0.030 / 0.040
G18     4.6            65.5               11.7 +/-    0.64      12.7 +/-    0.64  0.030 / 0.040
G20     74.2           15.0                9.2 +/-    2.07      22.8 +/-    2.07  0.040 / 0.040
G21     107.3          71.0               13.0 +/-    0.82      13.6 +/-    0.82  0.050 / 0.060
G24     95.3           27.8               13.4 +/-    1.31      24.7 +/-    1.31  0.040 / 0.060
G27     294.7          36.4               12.5 +/-    1.08      19.3 +/-    1.08  0.090 / 0.320
G32     212.8          33.5               15.2 +/-    1.35      24.9 +/-    1.35  0.080 / 0.280