broadcast satellite communication

Transmission of television signals (pictures and sound) to the general public by means of radio waves relayed by satellite.

distribution by aerial cable network

Signals can be relayed to the customer through a network of suspended cables.

transmitting tower

Facility used to transmit radio waves to a receiver so that television programs can be broadcast locally.

relay station

Facility receiving and amplifying signals from a transmitting tower and relaying them to another receiver.

home antenna

Small receiving antenna used by a subscriber to capture radio waves emitted by a transmitting tower or relay station.

transceiving parabolic antenna

Device with a saucer-shaped reflector that emits and receives radio waves.

direct home reception

Radio waves are emitted by a satellite and captured directly by the subscriber’s parabolic antenna.

mobile unit

Vehicle equipped with a transmitter that broadcasts live or recorded news reports or programs from locations outside a television studio.

national broadcasting network

All the public installations that produce and broadcast television or radio programs on a given frequency band.

Hertzian wave transmission

Hertzian waves, also called radio waves, are low-frequency electromagnetic waves; the full spectrum of radio waves is divided into bands for specific uses such as radio and TV. Each band is in turn divided into channels.

private broadcasting network

All the private installations that produce and broadcast television or radio programs on a given frequency band.

local station

Television station that is usually part of a national or private network.

cable distributor

Company specializing in the transmission of television signals to customers through a cable network.

satellite

Space vehicle placed in geostationary orbit at an altitude of 22,000 mi to transmit sound and visual signals in the form of radio waves.