An aerial, also called an antenna, is a conductor designed to transmit or obtain electromagnetic waves. Within the context of radio, an aerial is used to seize radio waves and convert them into electrical alerts that may be processed by a radio receiver. Conversely, an aerial can be used to transmit radio waves from a transmitter.
Aerials are important for radio communication, as they permit radios to speak with one another over lengthy distances. The effectiveness of an aerial is dependent upon quite a few elements, together with its measurement, form, and orientation. Aerials might be made out of quite a lot of supplies, together with metallic, wire, and even water.
