PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-20:57:50
G01     312.1          29.2                8.0 +/-    0.89      14.3 +/-    0.89  0.040 / 0.040
G10     99.3           43.7                9.6 +/-    0.64      13.2 +/-    0.64  0.030 / 0.040
G11     287.2          28.1                6.9 +/-    1.48      12.7 +/-    1.48  0.100 / 0.120
G14     342.5          69.5                7.5 +/-    0.44       7.9 +/-    0.44  0.130 / 0.110
G20     116.4          18.6               10.0 +/-    1.08      22.8 +/-    1.08  0.080 / 0.220
G22     307.3          20.2                6.3 +/-    1.28      13.9 +/-    1.28  0.100 / 0.260
G25     83.5           13.8                9.9 +/-    2.60      25.3 +/-    2.60  0.050 / 0.040
G31     173.8          56.3               10.2 +/-    0.45      12.0 +/-    0.45  0.050 / 0.040
G32     28.9           57.1                7.7 +/-    1.13       9.0 +/-    1.13  0.090 / 0.230