PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-00:27:30
G02     44.1           45.8               11.9 +/-    0.57      15.8 +/-    0.57  0.060 / 0.050
G05     104.5          68.9               14.7 +/-    0.45      15.6 +/-    0.45  0.050 / 0.050
G12     188.6          53.0               17.6 +/-    1.63      21.4 +/-    1.63  0.030 / 0.040
G25     275.0          58.0               15.0 +/-    1.06      17.4 +/-    1.06  0.030 / 0.040
G29     315.2          36.6               13.8 +/-    1.01      21.2 +/-    1.01  0.040 / 0.050