PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-15:43:10
G01     45.8           21.6                1.5 +/-   14.37       3.1 +/-   14.37  0.060 / 0.080
G06     176.6          31.0               -1.4 +/-   20.83      -2.4 +/-   20.83  0.060 / 0.090
G13     246.8          27.1               14.9 +/-    2.82      27.8 +/-    2.82  0.210 / 0.410
G15     281.1          14.4               17.0 +/-   13.16      42.9 +/-   13.16  0.220 / 0.370
G17     350.8          74.9               36.3 +/-   19.59      37.5 +/-   19.59  0.020 / 0.030
G19     260.4          66.5              -49.6 +/-   53.87     -53.6 +/-   53.87  0.030 / 0.030
G24     319.0          11.3               -9.1 +/-   36.24     -24.7 +/-   36.24  0.050 / 0.190
G28     61.2           50.3                4.8 +/-    7.25       6.1 +/-    7.25  0.060 / 0.170
G30     152.3          37.6               12.3 +/-    0.54      18.6 +/-    0.54  0.100 / 0.150