PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-00:27:40
G02     48.5           42.0                8.4 +/-    0.92      11.8 +/-    0.92  0.060 / 0.060
G05     87.4           68.5               10.8 +/-    0.75      11.5 +/-    0.75  0.040 / 0.060
G12     186.8          46.8               13.7 +/-    0.57      18.0 +/-    0.57  0.030 / 0.030
G25     263.2          58.0               10.0 +/-    1.29      11.6 +/-    1.29  0.020 / 0.030
G29     318.8          41.1               11.2 +/-    1.41      16.1 +/-    1.41  0.040 / 0.060