PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-17:12:30
G02     204.3          34.1               11.2 +/-    1.46      18.1 +/-    1.46  0.120 / 0.080
G06     151.9          71.5                9.3 +/-    0.58       9.8 +/-    0.58  0.080 / 0.080
G12     309.3          19.5                8.1 +/-    2.66      18.0 +/-    2.66  0.070 / 0.260
G17     37.4           48.1                8.4 +/-    1.68      10.9 +/-    1.68  0.110 / 0.180
G19     356.4          65.8                8.5 +/-    0.47       9.2 +/-    0.47  0.040 / 0.030
G24     295.3          39.6                8.0 +/-    5.84      11.7 +/-    5.84  0.030 / 0.030
G28     103.6          30.5                8.0 +/-    0.72      13.9 +/-    0.72  0.050 / 0.060