PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-21:13:10
G01     317.4          23.0                6.7 +/-    1.77      13.6 +/-    1.77  0.160 / 0.310
G08     255.3          11.7                8.2 +/-   20.57      22.0 +/-   20.57  0.190 / 0.280
G10     86.1           49.2                7.4 +/-    0.83       9.5 +/-    0.83  0.050 / 0.050
G11     302.1          22.5                7.9 +/-    1.28      16.3 +/-    1.28  0.040 / 0.050
G14     296.3          69.5                7.9 +/-    0.87       8.4 +/-    0.87  0.130 / 0.190
G20     109.3          24.5                8.1 +/-    1.68      15.9 +/-    1.68  0.150 / 0.140
G22     302.5          11.3                0.4 +/-    9.71       1.0 +/-    9.71  0.250 / 0.350
G31     174.0          46.4               10.2 +/-    0.68      13.5 +/-    0.68  0.220 / 0.410
G32     16.2           64.3                8.9 +/-    0.47       9.8 +/-    0.47  0.050 / 0.050