PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-00:12:30
G02     35.3           53.6               14.2 +/-    0.65      17.1 +/-    0.65  0.030 / 0.040
G05     132.4          64.1               16.6 +/-    0.66      18.2 +/-    0.66  0.030 / 0.040
G06     55.2           13.4               10.4 +/-    1.44      26.8 +/-    1.44  0.040 / 0.040
G12     194.6          64.8               14.5 +/-    1.04      15.8 +/-    1.04  0.040 / 0.050
G19     101.1          10.0               13.7 +/-    1.70      38.2 +/-    1.70  0.050 / 0.050
G25     294.4          54.3               13.5 +/-    0.73      16.2 +/-    0.73  0.050 / 0.050
G29     308.3          28.6               12.4 +/-    1.53      22.3 +/-    1.53  0.130 / 0.310