PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-23:57:10
G02     38.9           50.5               13.2 +/-    0.98      16.5 +/-    0.98  0.030 / 0.030
G05     122.7          66.8               15.4 +/-    0.68      16.7 +/-    0.68  0.030 / 0.040
G06     57.7           10.3               11.8 +/-    1.38      32.7 +/-    1.38  0.030 / 0.030
G12     191.1          59.8               17.3 +/-    0.51      19.7 +/-    0.51  0.030 / 0.030
G25     287.0          56.4               14.1 +/-    2.83      16.5 +/-    2.83  0.050 / 0.040
G29     311.2          31.7               14.3 +/-    1.88      24.2 +/-    1.88  0.030 / 0.030