PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-16:58:10
G05     50.6           14.0                8.0 +/-    3.87      20.3 +/-    3.87  0.240 / 0.190
G10     239.7          15.6               11.3 +/-    1.85      27.8 +/-    1.85  0.190 / 0.240
G13     70.4           36.6               11.3 +/-    0.59      17.5 +/-    0.59  0.030 / 0.050
G15     113.3          55.0               12.7 +/-    0.35      15.1 +/-    0.35  0.040 / 0.050
G16     314.6          10.8               -5.1 +/-   17.81     -14.1 +/-   17.81  0.030 / 0.030
G18     251.6          47.5                9.4 +/-    3.94      12.3 +/-    3.94  0.040 / 0.040
G20     30.4           62.9               10.0 +/-    0.58      11.1 +/-    0.58  0.120 / 0.180
G21     321.8          53.5                9.8 +/-    0.66      11.8 +/-    0.66  0.090 / 0.160
G26     285.9          18.7                8.9 +/-    1.91      20.2 +/-    1.91  0.200 / 0.280
G29     155.9          60.0               12.6 +/-    0.50      14.4 +/-    0.50  0.220 / 0.350