PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/27-00:42:50
G02     39.2           50.2               11.0 +/-    0.60      13.8 +/-    0.60  0.040 / 0.040
G05     122.1          66.8               12.8 +/-    0.42      13.8 +/-    0.42  0.040 / 0.050
G06     57.6           10.5                9.8 +/-    2.22      27.0 +/-    2.22  0.030 / 0.040
G12     191.8          60.2               13.6 +/-    1.58      15.5 +/-    1.58  0.030 / 0.040
G25     287.2          56.3               12.2 +/-    1.17      14.3 +/-    1.17  0.040 / 0.070
G29     311.2          31.8               11.3 +/-    1.51      19.0 +/-    1.51  0.040 / 0.050