PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-01:27:50
G05     46.1           23.9                7.6 +/-    0.97      15.2 +/-    0.97  0.080 / 0.110
G13     87.1           35.0               11.6 +/-    0.99      18.4 +/-    0.99  0.080 / 0.080
G15     135.2          45.8               14.9 +/-    0.69      19.8 +/-    0.69  0.110 / 0.360
G20     240.4          29.6               12.1 +/-    1.45      21.4 +/-    1.45  0.110 / 0.410
G21     305.0          41.0               11.4 +/-    0.98      16.2 +/-    0.98  0.050 / 0.120
G25     204.4          19.1               11.9 +/-    2.23      26.8 +/-    2.23  0.050 / 0.130
G26     298.5          19.3                9.1 +/-    1.51      20.4 +/-    1.51  0.050 / 0.120
G29     134.5          80.5               12.6 +/-    0.74      12.8 +/-    0.74  0.040 / 0.120