PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-20:28:00
G08     289.3          23.1               15.0 +/-    1.07      30.6 +/-    1.07  0.090 / 0.120
G10     12.9           63.2               12.6 +/-    0.52      13.9 +/-    0.52  0.080 / 0.110
G14     233.4          50.1               14.3 +/-    1.11      18.0 +/-    1.11  0.050 / 0.150
G18     68.7           48.5               12.4 +/-    0.85      16.0 +/-    0.85  0.060 / 0.130
G21     147.0          33.2               14.3 +/-    0.66      23.6 +/-    0.66  0.050 / 0.130
G24     54.2           25.1               11.8 +/-    0.73      22.9 +/-    0.73  0.070 / 0.110
G27     249.4          29.6               14.9 +/-    1.62      26.2 +/-    1.62  0.050 / 0.030
G32     251.4          68.3               14.2 +/-    0.52      15.2 +/-    0.52  0.030 / 0.030