PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-21:57:50
G01     237.6          29.5               10.6 +/-    1.46      18.7 +/-    1.46  0.040 / 0.040
G03     313.3          51.8                7.5 +/-    1.03       9.3 +/-    1.03  0.030 / 0.030
G14     66.1           39.2                8.3 +/-    1.32      12.3 +/-    1.32  0.070 / 0.100
G16     156.1          28.0               10.9 +/-    1.71      20.0 +/-    1.71  0.070 / 0.090
G22     285.8          72.2                9.0 +/-    0.78       9.5 +/-    0.78  0.040 / 0.050
G23     294.0          25.4                9.7 +/-    0.93      18.8 +/-    0.93  0.050 / 0.080
G26     125.8          45.7               12.4 +/-    0.85      16.6 +/-    0.85  0.070 / 0.220
G31     41.2           48.4                7.2 +/-    0.78       9.2 +/-    0.78  0.140 / 0.220
G32     85.6           15.5                9.0 +/-    3.06      22.2 +/-    3.06  0.040 / 0.060