PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-03:42:40
G02     35.6           53.4                6.2 +/-    1.22       7.5 +/-    1.22  0.030 / 0.030
G05     133.8          63.3                8.7 +/-    0.37       9.6 +/-    0.37  0.030 / 0.030
G06     54.2           15.5                3.1 +/-    2.64       7.5 +/-    2.64  0.030 / 0.030
G12     199.6          67.4                8.1 +/-    0.48       8.7 +/-    0.48  0.030 / 0.030
G19     100.6          9.8                 6.3 +/-    1.96      17.5 +/-    1.96  0.330 / 0.170
G25     296.7          53.2                6.9 +/-    3.56       8.4 +/-    3.56  0.150 / 0.120
G29     307.9          28.4                5.1 +/-    0.97       9.2 +/-    0.97  0.040 / 0.070