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Equipment that allows you to receive digital TV, like Freeview
channels.
Receiver connected to your TV that allows to receive additional
channels.
Nature of the signals used for terrestrial television since the
middle of the 20th Century. Since digital has come along,
analogue will disappear (starting 2008).
Number given to a frequency band. In UHF, networks
are numbered from 21 to 69.
Pylon that re-transmits digital or analogue channels,
and towards which your antenna must be pointed.
Be careful: it is possible for an emitter to not emit all available.
Electronic Programs Guide.
Free to Air = free channels.
Nature of the signals used in modern transmissions. Digital
allows you to view more channels than analogue. Digital
channels have existed for a few years on satellite and cable.
They will replace the terrestrial analogue channels. One channel
(i.e. BBC1) can be emitted both in analogue and digital.
Orientation of the emitter wave. Most UHF emissions
are horizontal. The elements of your aerial must therefore
be horizontal.
Refers to transmissions in the air, as opposed to cable
or satellite.
Receiver
Set-top-box
Analogue
Network
Emitter
EPG
FTA
Digital
Polarization
Terrestrial
14 - Glossary