PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-23:42:50
G08     264.6          17.5               13.2 +/-    1.22      30.8 +/-    1.22  0.030 / 0.040
G10     62.7           58.5               11.1 +/-    0.56      12.7 +/-    0.56  0.030 / 0.030
G11     309.8          19.0               12.2 +/-    1.43      27.4 +/-    1.43  0.150 / 0.320
G14     273.0          68.1               10.8 +/-    0.60      11.6 +/-    0.60  0.090 / 0.330
G18     93.4           35.1               12.3 +/-    0.38      19.5 +/-    0.38  0.210 / 0.220
G21     153.9          11.9               12.8 +/-    3.38      34.2 +/-    3.38  0.220 / 0.340
G24     39.7           10.3                9.5 +/-    2.03      26.3 +/-    2.03  0.140 / 0.400
G27     229.3          14.4               14.1 +/-    3.32      35.6 +/-    3.32  0.160 / 0.360
G31     180.5          29.1               15.6 +/-    1.37      27.8 +/-    1.37  0.030 / 0.030
G32     331.1          73.8               11.3 +/-    0.52      11.7 +/-    0.52  0.020 / 0.030