PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-17:12:40
G10     245.6          21.5               13.2 +/-    2.32      28.0 +/-    2.32  0.040 / 0.040
G13     60.8           34.1               10.2 +/-    1.35      16.5 +/-    1.35  0.050 / 0.040
G15     97.2           57.1               13.3 +/-    0.64      15.5 +/-    0.64  0.230 / 0.350
G16     307.3          12.6               10.1 +/-    3.87      26.7 +/-    3.87  0.180 / 0.350
G18     261.6          53.3               10.3 +/-    2.72      12.5 +/-    2.72  0.050 / 0.060
G20     36.9           55.5                9.5 +/-    0.96      11.3 +/-    0.96  0.050 / 0.040
G21     331.3          58.9                9.9 +/-    0.75      11.4 +/-    0.75  0.060 / 0.120
G26     277.7          17.1               10.7 +/-    1.40      25.2 +/-    1.40  0.070 / 0.100
G29     159.9          50.9               12.5 +/-    0.68      15.6 +/-    0.68  0.190 / 0.390