Radio wave propagation theory

by LenaPark   Last Updated December 03, 2018 10:25 AM

I have some doubts in a radio wave propagation theory. Snell's law (also known as Snell–Descartes law and the law of refraction)

$$n_{min}(w_p(h))=sin\phi_0$$ enter image description here

1st line - ionosphera 2 nd - earth

  1. If \$\phi_0>0\$, then the wave inclined over zenith. Is it correct? What happens if \$\phi_0<0\$?

  2. Is the amount of ions in wave propagation important?

  3. does recombiunation happen only in D-layer?

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