PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-17:27:40
G05     51.3           12.6                9.7 +/-    2.70      25.6 +/-    2.70  0.100 / 0.130
G10     241.1          17.0               21.4 +/-    1.73      50.8 +/-    1.73  0.290 / 0.140
G13     68.0           36.2               13.5 +/-    1.66      21.0 +/-    1.66  0.030 / 0.050
G15     109.7          55.8               18.0 +/-    0.43      21.3 +/-    0.43  0.040 / 0.050
G16     313.0          11.3               10.6 +/-    1.97      28.7 +/-    1.97  0.030 / 0.040
G18     253.8          48.9               17.7 +/-    5.58      22.7 +/-    5.58  0.040 / 0.040
G20     32.3           60.8               14.3 +/-    0.85      16.1 +/-    0.85  0.110 / 0.170
G21     323.6          54.6               14.4 +/-    0.33      17.2 +/-    0.33  0.100 / 0.160
G26     284.2          18.4               13.2 +/-    2.03      30.1 +/-    2.03  0.050 / 0.110
G29     156.8          57.3               20.3 +/-    0.25      23.6 +/-    0.25  0.040 / 0.120