PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-23:42:50
G01     236.9          28.7                8.1 +/-    1.17      14.6 +/-    1.17  0.040 / 0.040
G03     312.5          53.0                6.5 +/-    1.01       8.0 +/-    1.01  0.040 / 0.050
G14     68.1           37.7                5.3 +/-    0.80       8.1 +/-    0.80  0.050 / 0.110
G16     155.5          29.1               10.4 +/-    1.27      18.6 +/-    1.27  0.050 / 0.120
G22     282.8          72.6                7.2 +/-    0.86       7.5 +/-    0.86  0.070 / 0.130
G23     295.1          26.7                6.6 +/-    2.55      12.3 +/-    2.55  0.080 / 0.120
G26     123.8          46.6                9.8 +/-    0.82      12.9 +/-    0.82  0.080 / 0.180
G31     41.5           46.5                5.5 +/-    0.70       7.3 +/-    0.70  0.080 / 0.180
G32     86.5           15.1                6.3 +/-    0.76      15.7 +/-    0.76  0.050 / 0.050