in which frequencies range space waves are normally propagated?

The radio waves having highfrequenciesare basicallycalled as space waves. These waves have the ability to propagate through atmosphere, fromtransmitter antennato receiver antenna. These waves can travel directly or can travel afterreflectingfrom earth’s surface to the troposphere surface of earth. So, it is also called as Tropospherical Propagation. In the diagram of medium wave propagation, c showsthe spacewave propagation.Basicallythe technique of space wave propagation is used in bands having very highfrequencies. E.g. V.H.F. band, U.H.F band etc. At such higherfrequenciesthe other wave propagation techniques like sky wave propagation, ground wave propagation can’t work. Only space wave propagation is left which can handle frequency waves of higher frequencies. The other name of space wave propagation isline of sightpropagation.

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Apoorva Arora
IIT Roorkee
askIITians Faculty