PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-23:12:40
G08     278.1          22.1               13.9 +/-    1.15      29.1 +/-    1.15  0.030 / 0.030
G10     34.8           62.5               12.3 +/-    0.59      13.7 +/-    0.59  0.030 / 0.030
G14     245.9          59.0               13.4 +/-    0.77      15.4 +/-    0.77  0.060 / 0.120
G18     79.5           43.5               12.1 +/-    0.77      16.6 +/-    0.77  0.060 / 0.150
G21     150.9          25.0               12.5 +/-    0.83      24.5 +/-    0.83  0.110 / 0.190
G24     46.7           19.7               10.1 +/-    0.68      22.4 +/-    0.68  0.080 / 0.220
G27     240.1          23.5               12.3 +/-    1.85      24.8 +/-    1.85  0.070 / 0.210
G31     183.0          15.6               16.8 +/-    2.09      41.1 +/-    2.09  0.070 / 0.240
G32     277.3          73.2               12.4 +/-    0.56      12.9 +/-    0.56  0.020 / 0.030