PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-22:58:00
G08     285.3          23.2               13.8 +/-    0.96      28.2 +/-    0.96  0.030 / 0.030
G10     19.6           63.2               11.4 +/-    0.65      12.6 +/-    0.65  0.030 / 0.030
G14     236.9          53.4               12.0 +/-    1.68      14.5 +/-    1.68  0.090 / 0.110
G18     71.6           47.5               11.9 +/-    0.60      15.4 +/-    0.60  0.080 / 0.110
G21     148.5          31.7               14.9 +/-    1.46      25.2 +/-    1.46  0.090 / 0.110
G24     51.7           23.6               10.9 +/-    0.74      22.0 +/-    0.74  0.130 / 0.140
G27     246.2          27.8               13.6 +/-    1.03      24.9 +/-    1.03  0.050 / 0.150
G32     257.1          69.2               13.4 +/-    0.32      14.3 +/-    0.32  0.050 / 0.150