Radio Waves in the Ionosphere: Budden, K. G.: 9780521114394
Radio Waves in the Ionosphere: Budden, K. G.: 9780521114394,The effect of the ionosphere on radio waves | The Planetary,The Propagation of Radio Waves: The Theory of Radio Waves of,Ionosphere, upper atmospheric layer, what is it? | Royal,Refraction in the ionosphere