PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-00:42:40
G02     37.7           51.5               10.1 +/-    0.73      12.5 +/-    0.73  0.040 / 0.030
G05     126.7          65.8               12.0 +/-    0.40      13.0 +/-    0.40  0.030 / 0.040
G06     56.6           11.8                8.7 +/-    2.65      23.2 +/-    2.65  0.030 / 0.030
G12     193.1          62.2               12.5 +/-    0.41      13.9 +/-    0.41  0.030 / 0.030
G25     290.5          55.5                7.9 +/-    2.16       9.4 +/-    2.16  0.040 / 0.040
G29     310.0          30.4                9.8 +/-    0.91      17.1 +/-    0.91  0.040 / 0.050