PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/27-16:12:40
G08     269.4          18.0                6.3 +/-    1.14      14.5 +/-    1.14  0.140 / 0.190
G10     59.7           59.0                7.0 +/-    0.47       8.1 +/-    0.47  0.100 / 0.170
G11     313.1          15.3                5.6 +/-    1.68      13.8 +/-    1.68  0.030 / 0.030
G14     265.0          65.1                7.4 +/-    0.98       8.1 +/-    0.98  0.030 / 0.030
G21     153.6          12.8                9.8 +/-    2.95      25.8 +/-    2.95  0.050 / 0.130
G24     40.2           11.1                7.7 +/-    1.83      20.9 +/-    1.83  0.080 / 0.110
G27     231.1          15.8                7.9 +/-    1.91      19.3 +/-    1.91  0.150 / 0.340
G31     178.5          29.9               11.6 +/-    1.49      20.3 +/-    1.49  0.110 / 0.390
G32     338.3          74.2                7.3 +/-    0.62       7.6 +/-    0.62  0.140 / 0.280