PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-21:12:30
G08     287.1          23.1               11.9 +/-    1.19      24.3 +/-    1.19  0.110 / 0.110
G10     17.0           63.2               12.9 +/-    0.50      14.2 +/-    0.50  0.090 / 0.110
G14     235.4          51.9               14.1 +/-    2.35      17.4 +/-    2.35  0.050 / 0.110
G18     70.7           47.7               11.5 +/-    1.15      14.9 +/-    1.15  0.050 / 0.120
G21     147.8          31.8               13.1 +/-    1.33      22.1 +/-    1.33  0.130 / 0.180
G24     52.7           24.2               10.3 +/-    1.95      20.4 +/-    1.95  0.120 / 0.180
G27     247.5          28.6               13.5 +/-    1.36      24.4 +/-    1.36  0.030 / 0.020
G32     255.3          69.3               12.9 +/-    0.52      13.7 +/-    0.52  0.030 / 0.020