PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-01:42:50
G08     292.5          23.5                7.7 +/-    1.10      15.5 +/-    1.10  0.110 / 0.090
G10     7.0            63.0                8.4 +/-    1.11       9.3 +/-    1.11  0.110 / 0.100
G14     229.4          44.8               10.9 +/-    1.73      14.7 +/-    1.73  0.060 / 0.090
G20     0.3            65.9                9.3 +/-    0.99      10.0 +/-    0.99  0.040 / 0.080
G21     146.6          41.9                9.0 +/-    0.75      12.7 +/-    0.75  0.090 / 0.110
G24     55.1           24.7                7.3 +/-    1.50      14.4 +/-    1.50  0.110 / 0.140
G27     255.0          31.9                8.2 +/-    3.35      13.8 +/-    3.35  0.110 / 0.110
G32     247.0          69.5                8.3 +/-    0.62       8.8 +/-    0.62  0.090 / 0.080