PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-01:43:10
G08     293.5          23.4                7.6 +/-    1.23      15.4 +/-    1.23  0.060 / 0.100
G10     1.0            62.9                7.7 +/-    0.77       8.5 +/-    0.77  0.050 / 0.080
G14     228.7          46.5               10.1 +/-    1.22      13.4 +/-    1.22  0.040 / 0.040
G18     60.0           52.8                8.4 +/-    0.94      10.2 +/-    0.94  0.030 / 0.060
G21     144.9          41.6               10.0 +/-    0.99      14.3 +/-    0.99  0.050 / 0.080
G24     59.1           27.4                8.4 +/-    0.41      15.5 +/-    0.41  0.040 / 0.080
G27     254.6          32.3                8.8 +/-    1.32      14.6 +/-    1.32  0.070 / 0.110
G32     241.6          64.2               10.2 +/-    0.61      11.2 +/-    0.61  0.050 / 0.100