broadcast satellite communication![click to hear](/images/speaker.jpg)
Transmission of television signals (pictures and sound) to the general public by means of radio waves relayed by satellite.
distribution by aerial cable network ![click to hear](/images/speaker.jpg)
Signals can be relayed to the customer through a network of suspended cables.
transmitting tower ![click to hear](/images/speaker.jpg)
Facility used to transmit radio waves to a receiver so that television programs can be broadcast locally.
relay station ![click to hear](/images/speaker.jpg)
Facility receiving and amplifying signals from a transmitting tower and relaying them to another receiver.
home antenna ![click to hear](/images/speaker.jpg)
Small receiving antenna used by a subscriber to capture radio waves emitted by a transmitting tower or relay station.
transceiving parabolic antenna ![click to hear](/images/speaker.jpg)
Device with a saucer-shaped reflector that emits and receives radio waves.
direct home reception ![click to hear](/images/speaker.jpg)
Radio waves are emitted by a satellite and captured directly by the subscriber’s parabolic antenna.
mobile unit ![click to hear](/images/speaker.jpg)
Vehicle equipped with a transmitter that broadcasts live or recorded news reports or programs from locations outside a television studio.
national broadcasting network ![click to hear](/images/speaker.jpg)
All the public installations that produce and broadcast television or radio programs on a given frequency band.
Hertzian wave transmission ![click to hear](/images/speaker.jpg)
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 ![click to hear](/images/speaker.jpg)
All the private installations that produce and broadcast television or radio programs on a given frequency band.
local station ![click to hear](/images/speaker.jpg)
Television station that is usually part of a national or private network.
cable distributor ![click to hear](/images/speaker.jpg)
Company specializing in the transmission of television signals to customers through a cable network.
satellite ![click to hear](/images/speaker.jpg)
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.