PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:57:50
G08     264.2          17.5               17.5 +/-    1.01      40.9 +/-    1.01  0.130 / 0.300
G10     62.6           58.6               14.6 +/-    1.15      16.8 +/-    1.15  0.120 / 0.290
G11     309.3          19.6                6.9 +/-    2.42      15.4 +/-    2.42  0.030 / 0.030
G14     273.7          68.4               15.9 +/-    0.73      17.0 +/-    0.73  0.040 / 0.040
G18     92.9           35.8               13.0 +/-    1.68      20.3 +/-    1.68  0.060 / 0.070
G21     154.2          13.0               15.2 +/-    2.75      39.7 +/-    2.75  0.060 / 0.110
G24     39.7           10.3                6.2 +/-    4.75      17.1 +/-    4.75  0.040 / 0.050
G27     229.3          14.4               18.3 +/-    2.37      46.1 +/-    2.37  0.030 / 0.030
G31     179.3          30.6               15.0 +/-    1.04      26.0 +/-    1.04  0.110 / 0.220
G32     334.6          73.8               17.2 +/-    0.38      17.8 +/-    0.38  0.120 / 0.310