PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-01:57:50
G08     301.1          22.2                6.3 +/-    1.86      13.1 +/-    1.86  0.060 / 0.120
G10     349.4          62.1                7.0 +/-    0.61       7.8 +/-    0.61  0.090 / 0.100
G14     223.2          37.1               11.9 +/-    2.00      18.2 +/-    2.00  0.050 / 0.110
G20     353.4          64.9               21.8 +/-    0.35      23.8 +/-    0.35  0.060 / 0.130
G21     141.6          49.9               10.4 +/-    1.22      13.1 +/-    1.22  0.070 / 0.110
G24     63.1           27.7                7.5 +/-    0.66      13.7 +/-    0.66  0.060 / 0.090
G27     264.3          35.3               11.4 +/-    1.42      18.0 +/-    1.42  0.040 / 0.060
G32     232.8          62.4               11.1 +/-    0.96      12.4 +/-    0.96  0.050 / 0.070