PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-15:13:20
G02     32.5           55.6                7.6 +/-    1.35       9.0 +/-    1.35  0.040 / 0.050
G05     143.9          62.9                9.4 +/-    0.41      10.4 +/-    0.41  0.030 / 0.050
G06     55.3           13.3                5.9 +/-    2.52      15.3 +/-    2.52  0.020 / 0.030
G12     192.2          63.6                9.0 +/-    0.42       9.9 +/-    0.42  0.030 / 0.040
G19     100.8          11.3               10.2 +/-    2.45      27.7 +/-    2.45  0.090 / 0.150
G25     288.8          57.5                8.9 +/-    1.20      10.4 +/-    1.20  0.080 / 0.110
G29     309.0          29.6                7.2 +/-    0.56      12.8 +/-    0.56  0.120 / 0.180