PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-00:27:40
G01     237.0          28.8                8.5 +/-    1.05      15.3 +/-    1.05  0.040 / 0.030
G03     312.5          53.1                6.9 +/-    1.28       8.5 +/-    1.28  0.040 / 0.050
G14     68.4           37.3                5.3 +/-    0.57       8.0 +/-    0.57  0.060 / 0.130
G16     155.5          29.1                9.4 +/-    1.22      16.8 +/-    1.22  0.080 / 0.200
G22     282.9          72.6                8.0 +/-    0.79       8.3 +/-    0.79  0.090 / 0.160
G23     295.3          27.0                8.0 +/-    2.25      15.0 +/-    2.25  0.090 / 0.200
G26     123.7          46.6                9.2 +/-    1.00      12.1 +/-    1.00  0.050 / 0.100
G31     41.5           46.3                5.5 +/-    0.73       7.2 +/-    0.73  0.050 / 0.110
G32     86.4           15.2                5.2 +/-    0.57      12.8 +/-    0.57  0.050 / 0.050