PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-07:12:50
G01     224.3          15.1                0.8 +/-   12.63       2.0 +/-   12.63  0.050 / 0.040
G03     282.3          68.0               -9.0 +/-   11.66      -9.7 +/-   11.66  0.050 / 0.040
G09     296.4          11.3                6.0 +/-    5.04      16.3 +/-    5.04  0.120 / 0.180
G14     88.4           23.9                3.6 +/-    1.34       7.3 +/-    1.34  0.120 / 0.190
G16     140.2          48.9               -3.9 +/-   12.59      -5.0 +/-   12.59  0.040 / 0.050
G22     211.3          68.3               -7.6 +/-   10.35      -8.2 +/-   10.35  0.040 / 0.040
G23     309.6          39.5               -5.5 +/-   13.97      -8.0 +/-   13.97  0.170 / 0.520
G26     88.2           53.6               -6.6 +/-   12.53      -8.0 +/-   12.53  0.180 / 0.360
G31     47.0           27.7               -5.7 +/-   12.51     -10.5 +/-   12.51  0.170 / 0.240