PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-22:43:10
G01     319.2          17.2                9.5 +/-    1.33      22.4 +/-    1.33  0.040 / 0.080
G08     257.2          13.6               13.5 +/-    1.77      34.7 +/-    1.77  0.040 / 0.080
G10     77.5           54.4               10.8 +/-    0.75      12.9 +/-    0.75  0.120 / 0.230
G11     303.5          23.3                9.8 +/-    1.08      19.9 +/-    1.08  0.100 / 0.210
G14     297.1          71.0               12.0 +/-    0.73      12.6 +/-    0.73  0.040 / 0.060
G18     101.3          29.0               11.7 +/-    0.87      21.0 +/-    0.87  0.040 / 0.050
G31     179.8          37.4               13.6 +/-    1.49      20.7 +/-    1.49  0.030 / 0.030
G32     358.9          69.4               11.3 +/-    0.62      12.0 +/-    0.62  0.030 / 0.040