PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-14:12:30
G02     216.1          60.1               11.8 +/-    1.07      13.3 +/-    1.07  0.040 / 0.090
G06     59.2           75.8                9.3 +/-    0.53       9.5 +/-    0.53  0.060 / 0.070
G12     318.7          35.9                8.5 +/-    1.45      13.3 +/-    1.45  0.060 / 0.080
G17     59.6           29.9                8.5 +/-    0.39      15.0 +/-    0.39  0.050 / 0.080
G19     42.4           47.3                8.4 +/-    0.69      11.0 +/-    0.69  0.150 / 0.500
G24     267.0          41.3                9.2 +/-    1.79      13.1 +/-    1.79  0.100 / 0.530
G28     123.5          12.6               10.1 +/-    1.41      26.7 +/-    1.41  0.040 / 0.030