PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-17:12:50
G05     52.4           10.6                7.5 +/-    2.31      20.7 +/-    2.31  0.160 / 0.260
G10     242.8          18.8                9.0 +/-    2.07      20.4 +/-    2.07  0.140 / 0.320
G13     65.0           35.5                8.0 +/-    0.77      12.6 +/-    0.77  0.030 / 0.060
G15     104.8          56.5               10.6 +/-    0.29      12.4 +/-    0.29  0.040 / 0.060
G16     311.1          11.7                6.5 +/-    2.83      17.4 +/-    2.83  0.040 / 0.050
G18     256.8          50.7               10.9 +/-    0.96      13.6 +/-    0.96  0.040 / 0.070
G20     34.1           58.7                8.5 +/-    0.40       9.7 +/-    0.40  0.100 / 0.220
G21     326.7          56.4                8.3 +/-    0.63       9.7 +/-    0.63  0.130 / 0.260
G26     281.5          18.0                7.8 +/-    1.09      18.0 +/-    1.09  0.200 / 0.610
G29     158.2          54.9               12.0 +/-    0.80      14.3 +/-    0.80  0.190 / 0.470