PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/07-01:13:10
G02     16.7           68.0                7.2 +/-    0.84       7.7 +/-    0.84  0.030 / 0.030
G05     155.5          47.3               14.8 +/-    0.91      19.3 +/-    0.91  0.030 / 0.030
G06     46.1           28.4                5.7 +/-    1.45      10.3 +/-    1.45  0.160 / 0.410
G12     259.3          79.9               10.4 +/-    0.86      10.5 +/-    0.86  0.160 / 0.440
G19     86.0           20.7               10.0 +/-    1.38      21.7 +/-    1.38  0.030 / 0.060
G24     219.0          13.8               15.2 +/-    2.05      38.9 +/-    2.05  0.030 / 0.070
G25     313.2          39.8                9.9 +/-    3.14      14.5 +/-    3.14  0.060 / 0.040
G29     295.4          16.1                9.4 +/-    1.32      22.7 +/-    1.32  0.060 / 0.050