PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-03:42:40
G01     223.6          16.1                6.9 +/-    3.60      16.8 +/-    3.60  0.040 / 0.030
G03     286.5          68.0                5.1 +/-    0.37       5.5 +/-    0.37  0.030 / 0.040
G14     86.1           25.5                3.7 +/-    1.32       7.1 +/-    1.32  0.100 / 0.160
G16     143.4          46.1                6.9 +/-    0.77       9.2 +/-    0.77  0.110 / 0.200
G22     219.1          69.9                6.1 +/-    0.60       6.5 +/-    0.60  0.190 / 0.330
G23     309.4          40.0                3.9 +/-    1.29       5.7 +/-    1.29  0.380 / 0.300
G26     94.6           54.1                5.5 +/-    0.71       6.6 +/-    0.71  0.040 / 0.080
G31     46.3           29.7                2.7 +/-    1.75       4.7 +/-    1.75  0.040 / 0.080