PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-17:27:50
G05     51.3           12.6               10.1 +/-    1.17      26.6 +/-    1.17  0.080 / 0.140
G10     241.1          17.0               20.1 +/-    1.35      47.6 +/-    1.35  0.130 / 0.170
G13     68.0           36.2               13.9 +/-    0.84      21.5 +/-    0.84  0.050 / 0.060
G15     109.7          55.8               19.0 +/-    0.44      22.5 +/-    0.44  0.040 / 0.070
G16     313.0          11.3                8.9 +/-    6.19      24.1 +/-    6.19  0.030 / 0.040
G18     253.8          48.9               18.6 +/-    0.63      23.8 +/-    0.63  0.030 / 0.050
G20     32.3           60.8               15.3 +/-    0.44      17.2 +/-    0.44  0.100 / 0.210
G21     323.6          54.6               14.6 +/-    0.68      17.5 +/-    0.68  0.110 / 0.220
G26     284.2          18.4               13.0 +/-    1.43      29.8 +/-    1.43  0.060 / 0.110
G29     156.8          57.3               21.1 +/-    1.23      24.6 +/-    1.23  0.050 / 0.120