Here is a useful explanation of the terms you will hear in our industry.

Analogue – signals or information represented by a continuously variable physical quantity. Analogue tv was switched off in the uk and is now solely digital

Bad Reception Area – An area of poor signal from the transmitters usually in valleys or places where TV transmitters are a large distance away.

CAI – Confederation of aerial Industry's the regulators of our industry who make sure that equipment supplied is up to standard. You should always make sure your aerial installer is using CAI approved equipment.

DAB – Digital Audio Broadcasting. This is the digital radio service in the UK

Digital Aerial – an aerial capable of receiving digital signals whether it be TV, Radio or communications

DVB – Digital Video Broadcasting this is the type of signal that replaced analogue

DVR – Digital Video Recorder. A recorder that records into digital format either on a hard drive or DVD

LNB – Low Noise Block this is the receiver on the arm of a satellite dish

FM – Frequency Modulation most commonly used for the broadcast of analogue radio

FreeSat – Free to Air satellite, TV and Radio received via a satellite dish these are usually broadcast off Astra 19.2, Astra 28.2, Thor 0.8 and Hotbird

Frequency – the rate per second of a vibration constituting a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light).