PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-01:12:50
G08     305.6          20.9                8.5 +/-    1.40      18.2 +/-    1.40  0.030 / 0.050
G10     335.5          60.4                8.9 +/-    0.41      10.1 +/-    0.41  0.030 / 0.060
G14     219.8          35.2               13.3 +/-    1.32      21.1 +/-    1.32  0.050 / 0.090
G18     42.0           58.7                8.7 +/-    0.58      10.0 +/-    0.58  0.050 / 0.090
G21     136.5          53.6               12.8 +/-    0.75      15.5 +/-    0.75  0.030 / 0.030
G24     72.3           30.4               10.4 +/-    0.77      18.0 +/-    0.77  0.030 / 0.030
G27     269.2          37.0               11.8 +/-    1.20      18.1 +/-    1.20  0.050 / 0.140
G32     226.1          53.0               13.2 +/-    0.68      16.1 +/-    0.68  0.060 / 0.130