PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-22:12:40
G05     52.1           10.4                7.8 +/-    2.61      21.5 +/-    2.61  0.250 / 0.220
G10     242.1          19.0               12.8 +/-    1.92      28.8 +/-    1.92  0.350 / 0.270
G13     64.7           34.5                8.2 +/-    1.77      13.1 +/-    1.77  0.040 / 0.050
G15     115.3          57.0               10.1 +/-    0.66      11.7 +/-    0.66  0.040 / 0.070
G16     304.6          15.6                6.1 +/-    1.64      14.9 +/-    1.64  0.040 / 0.040
G20     246.7          13.3                6.3 +/-    1.94      16.3 +/-    1.94  0.030 / 0.030
G21     320.6          51.9                9.3 +/-    1.02      11.5 +/-    1.02  0.070 / 0.100
G26     276.8          19.4                9.8 +/-    1.11      21.9 +/-    1.11  0.070 / 0.110
G29     161.5          63.7               10.0 +/-    0.43      11.1 +/-    0.43  0.040 / 0.040