PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-22:42:10
G02     40.0           49.0                9.1 +/-    0.35      11.6 +/-    0.35  0.030 / 0.050
G05     118.3          67.6               11.4 +/-    0.68      12.3 +/-    0.68  0.040 / 0.060
G06     57.7           10.5                8.7 +/-    2.06      24.0 +/-    2.06  0.050 / 0.060
G12     194.6          60.9               10.6 +/-    1.23      11.9 +/-    1.23  0.050 / 0.080
G25     283.5          57.2                9.6 +/-    1.23      11.2 +/-    1.23  0.030 / 0.050
G29     313.9          35.8               10.8 +/-    1.17      16.8 +/-    1.17  0.040 / 0.040