PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-18:27:30
G02     36.6           52.6                8.0 +/-    1.23       9.8 +/-    1.23  0.030 / 0.030
G05     126.3          67.0                8.5 +/-    0.82       9.1 +/-    0.82  0.030 / 0.030
G06     58.3           8.8                 6.8 +/-    2.31      19.5 +/-    2.31  0.040 / 0.040
G12     185.7          56.3                7.6 +/-    1.00       8.9 +/-    1.00  0.040 / 0.040
G25     283.8          57.7                3.5 +/-    2.77       4.0 +/-    2.77  0.040 / 0.060
G29     311.3          31.8                5.6 +/-    1.93       9.4 +/-    1.93  0.040 / 0.050