PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-18:12:00
G02     222.6          63.6               14.6 +/-    1.44      16.1 +/-    1.44  0.040 / 0.050
G06     46.5           67.9               12.4 +/-    0.63      13.3 +/-    0.63  0.040 / 0.040
G12     320.9          43.5               10.0 +/-    1.12      13.8 +/-    1.12  0.050 / 0.090
G19     49.6           42.9               11.8 +/-    1.48      16.4 +/-    1.48  0.050 / 0.080
G24     258.6          39.6               11.8 +/-    2.70      17.2 +/-    2.70  0.040 / 0.060