PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-14:13:00
G01     223.7          15.2                9.2 +/-    8.38      22.9 +/-    8.38  0.040 / 0.040
G03     267.0          72.5                8.0 +/-    0.54       8.3 +/-    0.54  0.050 / 0.040
G14     89.0           21.8                6.7 +/-    1.85      14.1 +/-    1.85  0.190 / 0.460
G16     149.3          45.2                9.7 +/-    0.84      13.1 +/-    0.84  0.320 / 0.520
G22     198.7          65.3                8.2 +/-    0.25       9.0 +/-    0.25  0.040 / 0.030
G23     309.3          39.2                6.2 +/-    0.88       9.1 +/-    0.88  0.040 / 0.040
G26     97.6           55.5                7.3 +/-    0.54       8.7 +/-    0.54  0.130 / 0.290
G31     46.2           30.8                6.4 +/-    1.35      11.1 +/-    1.35  0.110 / 0.270