PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-22:27:50
G02     80.1           17.6                9.9 +/-    1.43      23.1 +/-    1.43  0.110 / 0.150
G05     44.5           39.8                9.4 +/-    0.71      13.8 +/-    0.71  0.120 / 0.180
G13     104.7          32.1               12.5 +/-    1.23      21.0 +/-    1.23  0.090 / 0.170
G15     149.3          34.0               13.4 +/-    0.79      21.7 +/-    0.79  0.140 / 0.180
G18     229.1          23.4               12.9 +/-    1.89      26.2 +/-    1.89  0.110 / 0.110
G20     328.7          85.8               10.8 +/-    0.90      10.8 +/-    0.90  0.160 / 0.130
G21     293.6          33.8                9.5 +/-    1.07      15.4 +/-    1.07  0.190 / 0.310
G25     206.6          26.2               13.3 +/-    1.17      25.3 +/-    1.17  0.120 / 0.320
G26     310.3          16.1                9.2 +/-    3.08      22.2 +/-    3.08  0.030 / 0.020
G29     12.6           84.4               13.7 +/-    0.92      13.8 +/-    0.92  0.030 / 0.020