PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-01:58:10
G03     255.9          69.9                5.7 +/-    0.33       6.1 +/-    0.33  0.030 / 0.050
G09     301.3          16.7                3.2 +/-    2.79       7.7 +/-    2.79  0.040 / 0.050
G14     94.5           20.0                6.3 +/-    2.34      13.8 +/-    2.34  0.150 / 0.230
G16     130.2          55.3                9.0 +/-    0.53      10.7 +/-    0.53  0.130 / 0.280
G22     202.8          60.7                7.1 +/-    0.82       8.1 +/-    0.82  0.040 / 0.030
G23     316.6          46.6                7.2 +/-    1.26       9.5 +/-    1.26  0.030 / 0.040
G26     75.8           52.8                5.4 +/-    0.96       6.6 +/-    0.96  0.160 / 0.350
G31     50.6           21.7                4.2 +/-    2.93       8.9 +/-    2.93  0.250 / 0.320