PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-15:57:50
G01     311.3          29.6                7.3 +/-    0.67      12.9 +/-    0.67  0.080 / 0.130
G10     100.1          44.1                8.9 +/-    0.79      12.2 +/-    0.79  0.100 / 0.100
G11     290.5          26.5               10.2 +/-    2.14      19.4 +/-    2.14  0.160 / 0.260
G14     339.6          69.2                7.4 +/-    0.60       7.8 +/-    0.60  0.200 / 0.280
G22     308.0          22.9                7.7 +/-    2.25      15.7 +/-    2.25  0.030 / 0.040
G25     88.0           15.0               10.0 +/-    3.45      24.8 +/-    3.45  0.030 / 0.040
G31     169.8          59.7                9.7 +/-    0.53      11.1 +/-    0.53  0.080 / 0.100
G32     31.0           55.8                7.2 +/-    0.80       8.5 +/-    0.80  0.080 / 0.120