PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-20:12:40
G01     306.0          35.7                8.3 +/-    1.45      13.0 +/-    1.45  0.070 / 0.130
G10     106.2          37.9                9.0 +/-    1.19      13.6 +/-    1.19  0.080 / 0.170
G11     285.4          25.9                9.2 +/-    1.16      17.6 +/-    1.16  0.040 / 0.050
G14     342.8          68.3                8.0 +/-    0.43       8.5 +/-    0.43  0.040 / 0.050
G20     121.2          11.5               10.2 +/-    3.81      27.7 +/-    3.81  0.110 / 0.210
G22     309.9          24.3                7.4 +/-    1.15      14.7 +/-    1.15  0.130 / 0.190
G25     82.8           16.0                9.3 +/-    1.68      22.5 +/-    1.68  0.030 / 0.030
G31     165.7          64.7                8.8 +/-    0.65       9.7 +/-    0.65  0.030 / 0.030
G32     37.5           51.4                8.4 +/-    1.51      10.4 +/-    1.51  0.050 / 0.060