PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-15:43:10
G01     44.6           20.3                8.8 +/-    0.96      19.3 +/-    0.96  0.080 / 0.220
G06     176.2          32.9               12.7 +/-    0.91      21.0 +/-    0.91  0.120 / 0.200
G13     245.1          26.0               13.5 +/-    1.74      25.8 +/-    1.74  0.060 / 0.090
G17     355.8          73.5               11.6 +/-    0.70      12.1 +/-    0.70  0.060 / 0.090
G19     264.9          67.7               11.3 +/-    0.94      12.1 +/-    0.94  0.060 / 0.160
G24     318.7          12.8                9.5 +/-    3.51      24.9 +/-    3.51  0.060 / 0.150
G28     63.8           49.5               10.7 +/-    0.85      13.6 +/-    0.85  0.220 / 0.340
G30     153.0          35.7               10.5 +/-    1.09      16.4 +/-    1.09  0.210 / 0.250