PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-15:28:10
G02     37.1           51.4                6.4 +/-    0.99       7.9 +/-    0.99  0.040 / 0.050
G05     132.6          66.3                7.6 +/-    0.36       8.2 +/-    0.36  0.040 / 0.050
G06     57.1           10.2                6.1 +/-    1.71      17.0 +/-    1.71  0.020 / 0.030
G12     190.6          60.6                7.5 +/-    0.58       8.5 +/-    0.58  0.030 / 0.040
G25     287.8          56.0                5.2 +/-    2.04       6.1 +/-    2.04  0.210 / 0.300
G29     311.1          32.0                7.0 +/-    1.03      11.8 +/-    1.03  0.150 / 0.390