PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-00:28:10
G05     51.7           10.8                7.4 +/-    2.26      20.4 +/-    2.26  0.410 / 0.260
G10     241.1          17.9               14.5 +/-    2.37      33.5 +/-    2.37  0.270 / 0.280
G13     66.4           35.0               10.2 +/-    1.18      16.2 +/-    1.18  0.040 / 0.040
G15     115.4          56.3               11.8 +/-    0.60      13.9 +/-    0.60  0.050 / 0.050
G16     306.3          15.1                8.6 +/-    2.78      21.3 +/-    2.78  0.050 / 0.110
G20     250.5          30.0               14.0 +/-    2.17      24.5 +/-    2.17  0.060 / 0.090
G21     319.4          51.1               10.8 +/-    0.51      13.4 +/-    0.51  0.110 / 0.320
G26     278.3          19.7               11.2 +/-    2.03      24.9 +/-    2.03  0.100 / 0.320
G29     160.9          65.0               11.0 +/-    0.32      12.0 +/-    0.32  0.030 / 0.040