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                8.4 +/-    2.60      23.1 +/-    2.60  0.130 / 0.290
G10     242.1          19.0               13.4 +/-    1.16      30.3 +/-    1.16  0.100 / 0.330
G13     64.7           34.5               10.3 +/-    0.48      16.5 +/-    0.48  0.050 / 0.060
G15     115.3          57.0               10.4 +/-    0.56      12.1 +/-    0.56  0.040 / 0.060
G16     304.6          15.6                7.2 +/-    4.11      17.7 +/-    4.11  0.030 / 0.040
G20     246.7          13.3                6.2 +/-    1.02      16.2 +/-    1.02  0.030 / 0.050
G21     320.6          51.9               11.3 +/-    1.34      14.0 +/-    1.34  0.060 / 0.130
G26     276.8          19.4                9.5 +/-    1.46      21.3 +/-    1.46  0.060 / 0.120
G29     161.5          63.7               11.1 +/-    1.12      12.2 +/-    1.12  0.040 / 0.040