PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-17:43:10
G02     67.0           27.4                9.2 +/-    0.61      17.1 +/-    0.61  0.050 / 0.090
G05     48.4           53.1               11.0 +/-    0.74      13.4 +/-    0.74  0.050 / 0.110
G12     181.6          21.7               14.9 +/-    1.89      31.5 +/-    1.89  0.090 / 0.280
G13     117.6          21.9               15.7 +/-    0.81      33.0 +/-    0.81  0.110 / 0.250
G15     158.5          20.9               16.5 +/-    1.42      35.6 +/-    1.42  0.110 / 0.180
G21     280.2          23.0               13.1 +/-    1.74      26.9 +/-    1.74  0.070 / 0.220
G25     224.7          44.0               13.4 +/-    1.79      18.3 +/-    1.79  0.080 / 0.160
G29     336.0          64.6               10.6 +/-    0.58      11.6 +/-    0.58  0.080 / 0.150