PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-23:13:10
G01     286.5          40.8                5.8 +/-    0.99       8.4 +/-    0.99  0.040 / 0.080
G03     312.8          18.6                5.8 +/-    0.84      13.3 +/-    0.84  0.040 / 0.100
G10     122.1          26.9                9.3 +/-    1.23      17.5 +/-    1.23  0.020 / 0.030
G11     261.4          25.5                9.0 +/-    0.83      17.3 +/-    0.83  0.030 / 0.030
G14     30.0           56.3                4.7 +/-    0.47       5.5 +/-    0.47  0.050 / 0.120
G22     314.0          40.2                3.8 +/-    1.77       5.4 +/-    1.77  0.050 / 0.130
G25     62.5           18.4                6.1 +/-    0.72      13.9 +/-    0.72  0.050 / 0.080
G26     157.7          14.1               10.4 +/-    2.08      26.5 +/-    2.08  0.050 / 0.090
G31     133.5          80.5                8.1 +/-    0.61       8.2 +/-    0.61  0.040 / 0.060
G32     52.5           41.6                6.4 +/-    1.00       9.0 +/-    1.00  0.060 / 0.050