PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-04:42:30
G03     213.1          57.8                5.6 +/-    1.09       6.5 +/-    1.09  0.050 / 0.060
G07     258.5          18.2                3.8 +/-    2.46       8.6 +/-    2.46  0.040 / 0.070
G09     311.1          29.8                3.0 +/-    1.75       5.3 +/-    1.75  0.230 / 0.360
G16     90.3           63.1                6.4 +/-    0.95       7.0 +/-    0.95  0.190 / 0.290
G22     190.5          41.5                8.5 +/-    2.76      12.1 +/-    2.76  0.110 / 0.280
G23     333.8          62.6                4.9 +/-    0.80       5.5 +/-    0.80  0.110 / 0.280
G26     52.8           41.8                5.5 +/-    0.51       7.8 +/-    0.51  0.030 / 0.050
G27     133.8          10.8               -5.2 +/-   30.96     -14.2 +/-   30.96  0.030 / 0.060