PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-17:43:10
G08     287.6          23.9               10.4 +/-    1.35      20.9 +/-    1.35  0.030 / 0.030
G10     16.5           62.9                9.1 +/-    0.47      10.1 +/-    0.47  0.030 / 0.030
G14     233.0          50.1               14.5 +/-    1.63      18.3 +/-    1.63  0.070 / 0.080
G20     70.3           50.2               10.0 +/-    0.38      12.6 +/-    0.38  0.090 / 0.080
G21     147.7          34.0               10.5 +/-    0.83      17.0 +/-    0.83  0.110 / 0.140
G24     49.8           20.6                7.8 +/-    1.39      17.0 +/-    1.39  0.110 / 0.150
G27     253.5          30.0               10.2 +/-    1.54      17.8 +/-    1.54  0.070 / 0.130
G32     252.6          69.8               11.2 +/-    0.83      11.9 +/-    0.83  0.070 / 0.120