PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-20:57:40
G02     212.3          54.9               13.6 +/-    0.86      16.2 +/-    0.86  0.050 / 0.080
G06     71.8           77.0               10.0 +/-    0.70      10.2 +/-    0.70  0.050 / 0.080
G12     317.3          33.1               10.0 +/-    1.32      16.4 +/-    1.32  0.050 / 0.090
G17     52.0           37.2                8.8 +/-    0.45      13.5 +/-    0.45  0.070 / 0.080
G19     30.6           53.9               10.9 +/-    0.56      13.2 +/-    0.56  0.040 / 0.080
G24     271.4          42.5               10.7 +/-    1.31      14.9 +/-    1.31  0.040 / 0.080
G28     119.3          17.3               13.5 +/-    2.21      31.8 +/-    2.21  0.050 / 0.070