PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-21:57:40
G01     236.0          28.3               10.4 +/-    0.91      18.9 +/-    0.91  0.040 / 0.040
G03     312.2          53.6                6.8 +/-    1.29       8.2 +/-    1.29  0.040 / 0.030
G14     68.0           38.2                9.0 +/-    1.90      13.5 +/-    1.90  0.070 / 0.110
G16     155.1          29.7               10.3 +/-    0.98      18.1 +/-    0.98  0.070 / 0.100
G22     280.0          73.2                9.7 +/-    0.64      10.0 +/-    0.64  0.070 / 0.070
G23     295.3          26.6               10.1 +/-    2.41      19.1 +/-    2.41  0.070 / 0.060
G26     123.5          47.0               11.1 +/-    0.78      14.6 +/-    0.78  0.100 / 0.260
G31     41.4           46.6                7.4 +/-    1.07       9.7 +/-    1.07  0.080 / 0.160
G32     87.1           14.4                8.9 +/-    2.65      22.5 +/-    2.65  0.130 / 0.180