PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-01:12:00
G02     45.5           44.5                8.5 +/-    1.04      11.6 +/-    1.04  0.040 / 0.060
G05     99.7           68.9               10.9 +/-    0.85      11.5 +/-    0.85  0.050 / 0.050
G12     188.6          51.8               11.9 +/-    1.26      14.6 +/-    1.26  0.040 / 0.040
G25     272.3          58.1               11.1 +/-    1.24      12.9 +/-    1.24  0.040 / 0.030
G29     316.2          37.8               10.0 +/-    1.09      15.1 +/-    1.09  0.040 / 0.060