PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-20:28:10
G01     312.2          29.2               12.2 +/-    1.75      21.7 +/-    1.75  0.040 / 0.040
G10     99.2           43.8                9.5 +/-    1.02      13.1 +/-    1.02  0.040 / 0.050
G11     287.4          28.0                8.6 +/-    1.34      15.6 +/-    1.34  0.110 / 0.240
G14     342.4          69.5               10.2 +/-    0.71      10.8 +/-    0.71  0.140 / 0.310
G20     116.3          18.7                9.9 +/-    1.33      22.4 +/-    1.33  0.090 / 0.200
G22     307.3          20.1                9.8 +/-    1.98      21.6 +/-    1.98  0.080 / 0.210
G25     83.3           13.7               10.1 +/-    1.93      25.9 +/-    1.93  0.080 / 0.160
G31     174.4          55.7               12.7 +/-    1.14      15.1 +/-    1.14  0.090 / 0.150
G32     28.4           57.4                8.6 +/-    0.60      10.0 +/-    0.60  0.030 / 0.040