PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-13:58:10
G02     232.2          69.1                5.1 +/-    1.20       5.4 +/-    1.20  0.130 / 0.450
G05     175.6          11.1               -2.5 +/-   25.34      -6.8 +/-   25.34  0.130 / 0.300
G06     41.8           61.0                4.9 +/-    0.43       5.5 +/-    0.43  0.040 / 0.050
G12     322.1          51.2                3.8 +/-    0.58       4.7 +/-    0.58  0.040 / 0.050
G17     69.0           22.8                4.4 +/-    0.69       9.2 +/-    0.69  0.120 / 0.120
G19     49.7           44.3                4.1 +/-    0.54       5.6 +/-    0.54  0.110 / 0.100
G24     245.4          36.4                7.8 +/-    0.97      12.0 +/-    0.97  0.030 / 0.030
G25     316.0          11.8              -15.6 +/-   25.89     -41.7 +/-   25.89  0.030 / 0.040