broadcast
when used as a noun, means a telecommunication service of transmissions consisting of sounds, images, signs or signals which—
a)takes place by means of electromagnetic waves of frequencies of lower than 3 000 GHz transmitted in space without an artificial conductor; and
b)is intended for reception by the public or sections of the public, and includes the emitting of programme-carrying signals to a satellite, and, when used as a verb, shall be construed accordingly;