PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-05:57:40
G02     39.1           50.2                1.9 +/-    1.31       2.3 +/-    1.31  0.030 / 0.030
G05     126.2          65.7                3.2 +/-    0.27       3.5 +/-    0.27  0.030 / 0.030
G06     55.9           13.9                0.6 +/-    3.98       1.4 +/-    3.98  0.210 / 0.230
G12     197.1          63.8                4.0 +/-    0.46       4.4 +/-    0.46  0.090 / 0.160
G20     201.8          24.9                6.6 +/-    1.72      12.9 +/-    1.72  0.030 / 0.030
G25     291.0          55.2                2.5 +/-    0.64       3.0 +/-    0.64  0.030 / 0.030
G29     310.8          31.9                1.5 +/-    0.76       2.6 +/-    0.76  0.170 / 0.210