PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-22:27:50
G05     53.3           11.1               13.6 +/-    2.55      37.1 +/-    2.55  0.100 / 0.300
G10     245.5          21.3               22.9 +/-    2.15      48.7 +/-    2.15  0.110 / 0.310
G13     61.2           34.4               16.5 +/-    0.91      26.5 +/-    0.91  0.110 / 0.420
G15     101.4          57.8               19.8 +/-    0.35      22.9 +/-    0.35  0.130 / 0.370
G16     304.3          14.0               14.3 +/-    1.35      36.4 +/-    1.35  0.050 / 0.130
G18     260.1          51.5               19.4 +/-    0.73      24.1 +/-    0.73  0.050 / 0.140
G20     39.0           53.2               16.4 +/-    0.43      19.9 +/-    0.43  0.030 / 0.060
G21     326.9          56.5               17.4 +/-    0.80      20.4 +/-    0.80  0.030 / 0.100
G26     276.7          17.4               17.5 +/-    1.74      41.0 +/-    1.74  0.110 / 0.300
G29     161.4          53.6               20.5 +/-    0.67      24.8 +/-    0.67  0.150 / 0.340