PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-22:12:50
G08     269.2          19.8                9.9 +/-    2.89      21.8 +/-    2.89  0.110 / 0.220
G10     54.4           59.5               10.4 +/-    0.94      11.9 +/-    0.94  0.110 / 0.240
G11     313.4          15.6               -8.8 +/-    8.13     -21.5 +/-    8.13  0.140 / 0.410
G14     258.3          63.7               10.9 +/-    0.77      12.0 +/-    0.77  0.150 / 0.380
G18     313.7          30.0               12.5 +/-    1.62      21.8 +/-    1.62  0.050 / 0.060
G20     91.5           39.2               11.7 +/-    0.59      17.2 +/-    0.59  0.050 / 0.060
G21     153.9          18.4               12.6 +/-    3.54      28.9 +/-    3.54  0.140 / 0.530
G27     236.1          18.8               13.4 +/-    1.10      30.3 +/-    1.10  0.110 / 0.200
G31     179.4          26.0               13.5 +/-    1.53      25.8 +/-    1.53  0.120 / 0.190
G32     326.8          75.7               11.9 +/-    0.79      12.2 +/-    0.79  0.090 / 0.150