PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-16:13:00
G02     34.6           54.6               10.0 +/-    0.48      12.0 +/-    0.48  0.040 / 0.040
G05     144.2          62.0               11.9 +/-    0.80      13.2 +/-    0.80  0.050 / 0.040
G06     54.2           16.6                7.7 +/-    1.29      18.5 +/-    1.29  0.040 / 0.060
G12     199.9          66.8                9.5 +/-    0.67      10.2 +/-    0.67  0.040 / 0.050
G20     198.7          27.4               11.4 +/-    3.03      21.1 +/-    3.03  0.040 / 0.050
G25     292.4          56.1               10.3 +/-    1.14      12.2 +/-    1.14  0.030 / 0.050
G29     310.8          33.3                8.0 +/-    0.89      13.1 +/-    0.89  0.110 / 0.160