PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-19:42:40
G02     36.2           52.9                9.2 +/-    0.58      11.2 +/-    0.58  0.030 / 0.050
G05     128.1          66.3               10.8 +/-    0.76      11.7 +/-    0.76  0.030 / 0.040
G06     57.5           9.9                 8.1 +/-    2.35      22.7 +/-    2.35  0.030 / 0.050
G12     187.3          58.4               12.0 +/-    0.94      13.9 +/-    0.94  0.030 / 0.060
G25     286.6          57.0               10.5 +/-    0.75      12.2 +/-    0.75  0.040 / 0.070
G29     310.5          30.9                9.0 +/-    1.14      15.4 +/-    1.14  0.040 / 0.050