PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/02-01:43:00
G02     21.8           64.7                7.9 +/-    0.44       8.7 +/-    0.44  0.030 / 0.030
G05     152.3          51.2               15.2 +/-    0.66      18.9 +/-    0.66  0.020 / 0.030
G06     47.7           25.4                8.6 +/-    0.93      16.6 +/-    0.93  0.030 / 0.040
G12     236.3          78.9               10.6 +/-    0.92      10.8 +/-    0.92  0.030 / 0.040
G19     89.4           18.3               10.8 +/-    1.32      24.9 +/-    1.32  0.130 / 0.270
G24     216.5          11.2               15.8 +/-    3.82      43.0 +/-    3.82  0.160 / 0.260
G25     310.9          43.1                7.8 +/-    0.98      10.8 +/-    0.98  0.030 / 0.050
G29     298.2          18.7                8.8 +/-    1.52      19.9 +/-    1.52  0.030 / 0.050