PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-20:13:10
G02     202.3          30.6               14.3 +/-    1.15      24.8 +/-    1.15  0.080 / 0.110
G06     161.7          66.0               12.5 +/-    0.67      13.5 +/-    0.67  0.070 / 0.110
G12     305.9          13.7               10.7 +/-    2.07      27.3 +/-    2.07  0.050 / 0.050
G17     30.1           53.7               11.2 +/-    0.58      13.5 +/-    0.58  0.050 / 0.050
G19     346.7          67.9               10.7 +/-    0.69      11.4 +/-    0.69  0.100 / 0.250
G24     301.4          36.5               11.3 +/-    0.89      17.4 +/-    0.89  0.110 / 0.240
G28     98.8           33.6               10.8 +/-    0.78      17.6 +/-    0.78  0.080 / 0.140