PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-17:58:00
G01     236.9          27.0                9.3 +/-    0.86      17.5 +/-    0.86  0.090 / 0.140
G03     309.0          58.5                6.3 +/-    0.60       7.3 +/-    0.60  0.090 / 0.190
G14     74.2           31.8                7.0 +/-    1.35      11.8 +/-    1.35  0.040 / 0.040
G16     159.0          29.1               11.4 +/-    0.77      20.4 +/-    0.77  0.040 / 0.040
G18     208.0          15.1                9.5 +/-    1.20      23.5 +/-    1.20  0.080 / 0.170
G22     263.3          75.9                7.9 +/-    1.05       8.1 +/-    1.05  0.080 / 0.190
G23     296.2          26.5                6.2 +/-    1.17      11.7 +/-    1.17  0.050 / 0.060
G26     128.8          47.4                8.8 +/-    0.68      11.5 +/-    0.68  0.040 / 0.070
G31     40.2           49.0                5.3 +/-    0.38       6.7 +/-    0.38  0.090 / 0.180
G32     87.4           16.7                7.7 +/-    1.33      18.3 +/-    1.33  0.080 / 0.170