PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-04:13:10
G01     297.1          38.3                6.9 +/-    1.35      10.3 +/-    1.35  0.060 / 0.080
G03     309.5          10.7              -15.6 +/-   24.04     -42.8 +/-   24.04  0.060 / 0.080
G10     115.0          33.9                7.7 +/-    0.81      12.4 +/-    0.81  0.030 / 0.040
G11     268.7          28.5                6.1 +/-    1.53      11.0 +/-    1.53  0.030 / 0.040
G14     18.7           60.9                5.3 +/-    0.63       6.0 +/-    0.63  0.050 / 0.090
G22     312.5          33.7                4.7 +/-    1.45       7.7 +/-    1.45  0.050 / 0.090
G25     68.5           17.4                4.8 +/-    0.94      11.3 +/-    0.94  0.070 / 0.160
G31     155.5          74.3                7.5 +/-    1.02       7.7 +/-    1.02  0.070 / 0.140
G32     44.1           47.3                4.4 +/-    0.55       5.8 +/-    0.55  0.040 / 0.050