PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-18:57:40
G10     272.7          40.8               12.9 +/-    1.19      18.6 +/-    1.19  0.080 / 0.120
G13     40.2           15.4               12.7 +/-    2.35      31.4 +/-    2.35  0.130 / 0.110
G15     53.7           43.7               12.9 +/-    0.66      17.8 +/-    0.66  0.030 / 0.030
G18     315.8          66.4               13.2 +/-    0.73      14.2 +/-    0.73  0.030 / 0.030
G20     57.8           31.8               12.2 +/-    1.78      20.6 +/-    1.78  0.060 / 0.100
G21     32.3           75.3               14.1 +/-    0.54      14.5 +/-    0.54  0.060 / 0.110
G24     117.0          17.1               16.5 +/-    1.28      38.9 +/-    1.28  0.110 / 0.190
G27     314.9          24.2               12.2 +/-    1.89      24.3 +/-    1.89  0.090 / 0.160
G29     165.8          19.8               16.2 +/-    2.94      35.8 +/-    2.94  0.260 / 0.300
G32     205.9          12.2               10.4 +/-   33.68      27.7 +/-   33.68  0.280 / 0.230