PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-16:43:10
G10     245.8          23.0               11.9 +/-    2.01      24.3 +/-    2.01  0.050 / 0.050
G13     59.1           32.4                8.9 +/-    0.57      14.8 +/-    0.57  0.040 / 0.060
G15     103.8          58.6               10.8 +/-    0.60      12.4 +/-    0.60  0.120 / 0.690
G16     301.8          15.2                4.6 +/-    3.53      11.3 +/-    3.53  0.110 / 0.800
G20     262.5          47.0               11.6 +/-    0.70      15.2 +/-    0.70  0.040 / 0.120
G21     329.2          57.3                8.6 +/-    1.09      10.0 +/-    1.09  0.060 / 0.130
G26     274.8          17.4                9.2 +/-    1.31      21.5 +/-    1.31  0.020 / 0.030
G29     162.1          56.1               11.7 +/-    0.56      13.8 +/-    0.56  0.030 / 0.040