PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-17:43:00
G01     266.1          40.1               11.0 +/-    1.36      16.0 +/-    1.36  0.040 / 0.110
G03     316.5          35.2                7.8 +/-    1.57      12.4 +/-    1.57  0.060 / 0.080
G10     131.8          14.4                9.5 +/-    1.26      24.0 +/-    1.26  0.040 / 0.050
G11     249.8          18.8                9.2 +/-    1.27      20.9 +/-    1.27  0.050 / 0.050
G14     46.2           48.9                8.5 +/-    0.73      10.9 +/-    0.73  0.030 / 0.030
G22     313.2          56.2                9.1 +/-    1.46      10.7 +/-    1.46  0.020 / 0.030
G25     49.6           16.0                7.6 +/-    0.91      18.5 +/-    0.91  0.050 / 0.080
G26     145.3          28.1               11.1 +/-    0.97      20.2 +/-    0.97  0.050 / 0.100
G31     48.7           70.1                9.0 +/-    0.58       9.5 +/-    0.58  0.100 / 0.120
G32     67.6           29.8                7.6 +/-    0.62      13.4 +/-    0.62  0.060 / 0.100