PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-19:42:50
G02     37.8           51.6               10.0 +/-    0.75      12.4 +/-    0.75  0.030 / 0.020
G05     123.5          67.4               10.7 +/-    0.38      11.4 +/-    0.38  0.020 / 0.030
G12     186.5          56.3               10.6 +/-    0.56      12.5 +/-    0.56  0.040 / 0.030
G25     283.1          57.7                9.2 +/-    3.15      10.7 +/-    3.15  0.030 / 0.030
G29     311.7          32.3                7.7 +/-    2.15      12.9 +/-    2.15  0.040 / 0.050