PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-20:42:50
G02     203.8          36.6               16.9 +/-    0.77      26.0 +/-    0.77  0.230 / 0.170
G06     153.1          71.8               14.8 +/-    0.72      15.5 +/-    0.72  0.100 / 0.110
G12     309.0          17.9               11.4 +/-    2.46      26.4 +/-    2.46  0.080 / 0.100
G17     35.6           49.7               12.5 +/-    1.07      15.9 +/-    1.07  0.060 / 0.090
G19     0.7            65.0               12.9 +/-    0.40      14.1 +/-    0.40  0.030 / 0.020
G24     295.4          39.3               12.1 +/-    4.76      17.9 +/-    4.76  0.030 / 0.020
G28     104.4          29.8               13.8 +/-    1.33      24.2 +/-    1.33  0.040 / 0.030