PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-22:28:10
G02     203.5          37.2               17.5 +/-    1.24      26.7 +/-    1.24  0.150 / 0.260
G06     155.0          71.3               14.0 +/-    0.76      14.7 +/-    0.76  0.100 / 0.220
G12     308.6          16.9                9.1 +/-    1.39      21.7 +/-    1.39  0.050 / 0.100
G17     34.1           50.9               10.8 +/-    0.37      13.5 +/-    0.37  0.080 / 0.090
G19     1.9            64.8               11.8 +/-    0.62      12.9 +/-    0.62  0.070 / 0.150
G24     296.0          39.0               11.5 +/-    1.86      17.0 +/-    1.86  0.070 / 0.140
G28     104.3          29.8               13.5 +/-    1.00      23.7 +/-    1.00  0.070 / 0.080