How are allocated frequencies?

On the basis of the requirements expressed by each country, assignment plans allocate frequencies for each station in a given service ; allotment plans grant to each country frequencies intended for use by a given service, frequencies which the country then assigns to the stations within its jurisdiction according to …

ITU definition The International Telecommunication Union defines frequency allocation as being of “a given frequency band for the purpose of its use by one or more terrestrial or space radiocommunication services or the radio astronomy service under specified conditions “.

The spectrum is divided into different frequency bands, each having a specific application . For instance, the frequency band that covers 300 kHz to 535 kHz is reserved for aeronautical and maritime communications and the spectrum from 535 kHz and 1705 kHz for AM radio. This process is called “allocation”.