PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-21:42:50
G02     218.3          62.8               17.7 +/-    0.69      19.7 +/-    0.69  0.030 / 0.080
G06     51.6           71.1               16.0 +/-    0.43      16.8 +/-    0.43  0.040 / 0.080
G12     319.7          39.6               14.3 +/-    0.58      21.0 +/-    0.58  0.060 / 0.100
G17     58.2           32.7               13.1 +/-    1.13      21.7 +/-    1.13  0.060 / 0.080
G19     40.2           49.0               14.2 +/-    0.73      18.2 +/-    0.73  0.040 / 0.080
G24     261.4          41.0               18.7 +/-    1.18      26.7 +/-    1.18  0.050 / 0.080
G28     124.4          11.6               17.1 +/-    2.01      46.2 +/-    2.01  0.080 / 0.410