PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-19:42:40
G02     204.9          39.7               14.5 +/-    0.97      21.2 +/-    0.97  0.050 / 0.080
G06     152.6          73.4               13.0 +/-    1.09      13.5 +/-    1.09  0.070 / 0.080
G12     309.0          17.1               10.0 +/-    1.99      23.7 +/-    1.99  0.060 / 0.120
G17     39.5           46.3                9.7 +/-    1.01      12.8 +/-    1.01  0.050 / 0.120
G19     12.5           61.7               10.9 +/-    0.68      12.2 +/-    0.68  0.050 / 0.100
G24     291.6          40.2               10.8 +/-    0.85      15.7 +/-    0.85  0.050 / 0.100
G28     104.6          32.4               11.8 +/-    1.41      19.7 +/-    1.41  0.120 / 0.240