PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-18:58:10
G03     240.5          69.5               10.6 +/-    0.47      11.2 +/-    0.47  0.040 / 0.040
G09     302.1          16.8                9.1 +/-    1.64      21.7 +/-    1.64  0.040 / 0.050
G14     98.1           14.9                9.0 +/-    2.02      22.4 +/-    2.02  0.120 / 0.320
G16     136.6          55.9               10.6 +/-    0.75      12.5 +/-    0.75  0.150 / 0.360
G22     195.3          56.7               10.7 +/-    0.55      12.5 +/-    0.55  0.030 / 0.030
G23     316.2          45.8               10.1 +/-    0.94      13.5 +/-    0.94  0.030 / 0.040
G26     80.1           56.0                9.8 +/-    1.12      11.5 +/-    1.12  0.160 / 0.250
G31     50.0           24.9                8.1 +/-    2.29      16.0 +/-    2.29  0.220 / 0.270