PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-17:57:40
G08     296.6          23.5               11.3 +/-    1.85      23.0 +/-    1.85  0.050 / 0.110
G10     357.7          62.6               10.2 +/-    0.68      11.3 +/-    0.68  0.050 / 0.110
G14     225.5          42.4               14.3 +/-    1.80      20.1 +/-    1.80  0.070 / 0.110
G20     58.1           54.8               10.6 +/-    0.47      12.7 +/-    0.47  0.070 / 0.100
G21     143.4          42.8               14.5 +/-    0.76      20.2 +/-    0.76  0.040 / 0.080
G24     57.1           24.7                9.4 +/-    1.19      18.5 +/-    1.19  0.040 / 0.070
G27     262.8          33.9               12.9 +/-    1.35      20.9 +/-    1.35  0.060 / 0.090
G32     236.6          62.9               14.1 +/-    0.48      15.6 +/-    0.48  0.060 / 0.110