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appliances such as washing machines, switches etc often cause fleeting reception
problems when using indoor aerial.
GLOSSARY
Receiver
: Equipment that allows you to receive digital TV, like Free To View channels.
Analogue
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).
Network:
Number given to a frequency band. In UHF, networks are numbered from 21
to 69.
Transmitter:
Pylon that transmits digital or analogue signals,
and towards which your
antenna must be pointed.
EPG:
Electronic Program Guide
.
FTA:
Free
T
o Air = free channels.
Digital
: Nature of the signals used in modern transmissions. Digital allow 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 (e.g. BBC1)
can be transmitted both in analogue and digital.
Polarization:
Orientation of the transmitter wave. Most UHF transmissions
are
horizontal. The elements of your aerial must therefore be horizontal.
Terrestrial
: Refers to transmissions in the air, as opposed to cable
or satellite.
MULTIPLEXES & CHANNELS
