PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-23:42:50
G02     19.6           65.9                9.5 +/-    0.70      10.3 +/-    0.70  0.030 / 0.030
G05     153.3          50.4               15.0 +/-    1.37      18.8 +/-    1.37  0.030 / 0.030
G06     47.6           25.3               10.0 +/-    1.53      19.3 +/-    1.53  0.130 / 0.230
G12     233.4          79.3                9.9 +/-    0.84      10.0 +/-    0.84  0.220 / 0.300
G19     88.6           19.2               11.8 +/-    1.19      26.6 +/-    1.19  0.040 / 0.050
G24     216.6          11.5               15.2 +/-    4.23      41.0 +/-    4.23  0.040 / 0.050
G25     311.1          42.9               10.0 +/-    1.20      13.9 +/-    1.20  0.030 / 0.040
G29     297.5          17.9               11.6 +/-    1.54      26.9 +/-    1.54  0.030 / 0.060