PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-16:12:30
G01     313.0          27.8                7.1 +/-    1.45      13.1 +/-    1.45  0.040 / 0.040
G10     97.2           45.8                8.2 +/-    0.66      10.9 +/-    0.66  0.040 / 0.050
G11     292.9          26.1                6.5 +/-    1.31      12.4 +/-    1.31  0.090 / 0.230
G14     333.1          69.9                7.5 +/-    0.47       7.9 +/-    0.47  0.090 / 0.250
G22     306.9          20.8                8.1 +/-    3.14      17.6 +/-    3.14  0.040 / 0.040
G25     90.3           14.1                9.4 +/-    1.10      23.8 +/-    1.10  0.030 / 0.050
G31     171.4          56.8               10.5 +/-    1.60      12.3 +/-    1.60  0.090 / 0.170
G32     27.9           57.7                7.2 +/-    0.31       8.4 +/-    0.31  0.080 / 0.150