PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-22:13:10
G01     319.0          19.3                9.4 +/-    2.06      21.1 +/-    2.06  0.040 / 0.050
G08     259.8          13.9               10.6 +/-    2.70      27.0 +/-    2.70  0.040 / 0.060
G10     79.8           51.8               11.5 +/-    0.59      14.2 +/-    0.59  0.140 / 0.200
G11     305.5          20.9                9.7 +/-    2.62      20.9 +/-    2.62  0.100 / 0.190
G14     285.5          68.6               10.5 +/-    0.74      11.2 +/-    0.74  0.160 / 0.390
G20     105.6          28.0               12.2 +/-    0.87      22.2 +/-    0.87  0.110 / 0.380
G31     175.0          41.9               12.8 +/-    0.82      18.0 +/-    0.82  0.050 / 0.060
G32     8.1            67.7               10.0 +/-    0.68      10.7 +/-    0.68  0.040 / 0.070