noun

continuous short sharp noises that you sometimes hear on a radio

adjective

designed to send or receive radio signals better in one direction than in others

noun

the area that a broadcast signal, especially one from a satellite, can reach

noun

noise that you hear on a radio or television when the signal is bad

verb

to be able to receive particular broadcasts on your television or radio

noun

the appearance of a double image on a television screen, caused by problems with your reception

noun

global positioning system: a system for finding exactly where you are anywhere in the world using satellites (=objects that go around the earth high in the sky)

noun

radio signals that make the sound or picture of a radio or television programme difficult to hear or see clearly, or the noise caused by this

verb

to block a radio, television, or other electronic signal by broadcasting another signal on the same wavelength

to receive an electronic signal on a radio or similar piece of equipment

noun

a system that uses radio signals for finding the exact position of something such as an aircraft or a ship

verb

to get pictures or sound on a television, radio, or mobile phone

noun

the quality or strength of the picture or sound that you receive on a television, radio, or mobile phone

verb

to examine an area using sonar or radar equipment in order to find objects in it

noun

a piece of equipment for examining an area using sonar or radar signals in order to find objects in it

noun

a measure of the strength of the radio signal that you want to hear, compared to the strength of other signals you can also hear

noun

unpleasant noise that you hear on a radio, television, or telephone, caused by electricity in the air

verb

to follow the course of a moving object such as a ship or aircraft using special equipment

noun

the process of sending out electronic signals such as radio or television signals, or a signal sent out in this way

noun

the unpleasant noise made by a radio or television when it is not receiving the correct signal