PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-15:12:30
G02     237.8          71.9                9.1 +/-    0.52       9.5 +/-    0.52  0.090 / 0.110
G05     173.0          14.5               11.1 +/-    1.58      27.9 +/-    1.58  0.110 / 0.090
G06     40.7           58.2                9.0 +/-    0.38      10.3 +/-    0.38  0.060 / 0.110
G12     321.3          51.0                9.0 +/-    0.79      11.2 +/-    0.79  0.070 / 0.110
G17     68.3           25.1               10.1 +/-    1.06      19.7 +/-    1.06  0.050 / 0.050
G19     57.1           37.5                8.4 +/-    1.97      12.8 +/-    1.97  0.050 / 0.060
G24     247.3          35.1               13.2 +/-    1.42      20.8 +/-    1.42  0.050 / 0.030
G25     316.0          10.5              -17.0 +/-   15.44     -46.8 +/-   15.44  0.040 / 0.030