Radio stations
Radio broadcasting is a one-way sound broadcasting service, transmitted over
radio waves (a form of electromagnetic radiation) from a transmitter to a receiving antenna and intended to reach a wide audience. Stations can be linked in radio networks to broadcast common programming, either in syndication or simulcast or both. Audio broadcasting also can be done via
cable FM, local wire
networks,
satellite and the
Internet
Long wave radio broadcasting station,
Motala, Sweden
From Wikipedia, the free encyclopedia :
Radio stations