PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-03:42:40
G02     37.2           52.0                8.6 +/-    1.12      10.6 +/-    1.12  0.030 / 0.030
G05     130.0          64.6                9.0 +/-    0.44       9.8 +/-    0.44  0.030 / 0.030
G06     55.2           14.2                6.3 +/-    2.41      16.0 +/-    2.41  0.030 / 0.030
G12     197.5          65.3                7.8 +/-    0.40       8.5 +/-    0.40  0.030 / 0.040
G25     294.0          54.2                8.7 +/-    2.90      10.4 +/-    2.90  0.150 / 0.330
G29     309.1          29.8                8.2 +/-    1.09      14.4 +/-    1.09  0.210 / 0.230