d B = 10 ⋅ log ( P U P I ) {\displaystyle \mathrm {dB} =10\cdot \log \left({\frac {P_{U}}{P_{I}}}\right)}
U = R ∗ I {\displaystyle U=R*I}
d = 17 h {\displaystyle d={\sqrt {17h}}}
[Radiohorisont]
