PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-19:57:50
G08     310.2          19.2               12.5 +/-    1.33      28.0 +/-    1.33  0.060 / 0.080
G10     328.2          59.4               10.7 +/-    1.10      12.3 +/-    1.10  0.060 / 0.080
G14     216.7          28.5               13.7 +/-    0.97      24.7 +/-    0.97  0.040 / 0.060
G15     46.5           15.4                9.9 +/-    1.56      24.3 +/-    1.56  0.040 / 0.050
G20     33.1           61.3               10.9 +/-    0.37      12.2 +/-    0.37  0.120 / 0.210
G21     131.9          58.2               13.5 +/-    0.77      15.6 +/-    0.77  0.090 / 0.170
G24     73.1           28.6               10.8 +/-    0.90      19.4 +/-    0.90  0.060 / 0.110
G27     280.0          37.1               12.1 +/-    0.82      18.4 +/-    0.82  0.070 / 0.100
G32     221.1          50.4               13.7 +/-    1.53      17.2 +/-    1.53  0.150 / 0.250