PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-19:42:30
G01     221.5          12.1               13.6 +/-    2.08      36.1 +/-    2.08  0.080 / 0.280
G03     258.9          71.0               11.9 +/-    0.32      12.5 +/-    0.32  0.100 / 0.230
G09     298.0          11.1                1.5 +/-   38.82       4.2 +/-   38.82  0.040 / 0.050
G14     92.4           20.8               12.1 +/-    2.25      26.2 +/-    2.25  0.040 / 0.040
G16     141.5          51.5               15.3 +/-    1.16      19.0 +/-    1.16  0.090 / 0.130
G22     201.6          63.9               15.7 +/-    0.62      17.2 +/-    0.62  0.070 / 0.140
G23     313.3          43.2               13.6 +/-    1.04      18.8 +/-    1.04  0.090 / 0.470
G26     83.8           54.3               11.2 +/-    0.71      13.4 +/-    0.71  0.080 / 0.460
G31     48.1           26.1               10.4 +/-    0.61      19.8 +/-    0.61  0.040 / 0.030