PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/14-03:43:00
G02     41.7           47.8                4.0 +/-    0.64       5.2 +/-    0.64  0.030 / 0.010
G05     116.1          67.6                5.5 +/-    0.71       5.9 +/-    0.71  0.040 / 0.020
G06     58.4           10.2                4.2 +/-    2.92      11.6 +/-    2.92  0.030 / 0.010
G12     192.9          59.2                6.6 +/-    0.47       7.5 +/-    0.47  0.030 / 0.010
G20     208.6          10.7               -6.2 +/-    6.66     -17.1 +/-    6.66  0.190 / 0.140
G25     284.3          56.7                3.2 +/-    1.09       3.8 +/-    1.09  0.230 / 0.110
G29     312.8          33.9                3.5 +/-    0.97       5.7 +/-    0.97  0.050 / 0.020