There are three Redruth transmitting stations:

Redruth (Four Lanes)

broadcasting Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. Broadcasting began ...

and

telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than tha ...

facility in west

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...

(, ). It includes a high guyed steel lattice mast with square cross section, which is surmounted by the

television Television, sometimes shortened to TV, is a telecommunication Media (communication), medium for transmitting moving images and sound. The term can refer to a television set, or the medium of Transmission (telecommunications), television tra ...

transmitting

antennas In radio engineering, an antenna or aerial is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. In transmission, a radio transmitter supplies a ...

, bringing the overall height of the structure to . It is owned and operated by

Arqiva Arqiva () is a British telecommunications company which provides infrastructure, broadcast transmission and smart meter facilities in the United Kingdom. The company is headquartered at the former Independent Broadcasting Authority headquart ...

. It transmits

DVB Digital Video Broadcasting (DVB) is a set of international open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) o ...

television, FM radio and

DAB radio Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services. Types In digital broadcasting sy ...

(and previously,

UHF Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one tenth of a meter ...

Analogue television signals). It is sometimes referred to as

Four Lanes Four Lanes ( kw, Peder Bownder) is a village in west Cornwall, England, United Kingdom approximately south of Redruth at in the civil parish of Carn Brea. Pencoys is a smaller settlement which adjoins Four Lanes immediately to the south. St ...

, because of the proximity of the mast to neighbouring village of the same name. The main mast is lit with four bright red

aircraft warning lights Aviation obstruction lighting is used to enhance the visibility of structures or fixed obstacles which may conflict with the safe navigation of aircraft. Obstruction lighting is commonly installed on towers, buildings, and even fences located i ...

, a statutory requirement of the

Civil Aviation Authority A civil aviation authority (CAA) is a national or supranational statutory authority that oversees the regulation of civil aviation, including the maintenance of an aircraft register. Role Due to the inherent dangers in the use of flight vehicles ...

Redruth (Lanner)

transmitter In electronics and telecommunications, a radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. The transmitter itself generates a radio frequency alternating current, which is applied to ...

at Lanner Hill (, ). It transmits

mediumwave Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM broadcasting, AM radio broadcasting. The spectrum provides about 120 channels with more limited sound quality than FM stations on the FM broadcast band. Du ...

radio signals. It was built in 1942 by

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

POWs A prisoner of war (POW) is a person who is held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of ...

. It is sometimes referred to as ''Redruth MF'', short for Redruth Medium Frequency (

Medium Wave Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM radio broadcasting. The spectrum provides about 120 channels with more limited sound quality than FM stations on the FM broadcast band. During the dayt ...

). It is owned and run by

Redruth (Carnmenellis)

microwave Microwave is a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter corresponding to frequency, frequencies between 300 MHz and 300 GHz respectively. Different sources define different fre ...

transmitting tower located on the hill,

Carnmenellis Carnmenellis Hill (or just Carnmenellis) gives its name to the area of west Cornwall in England, between Redruth, Helston and Penryn. The hill itself is situated approximately three miles (5 km) south of Redruth.Ordnance Survey: Landrang ...

, south of

Redruth Redruth ( , kw, Resrudh) is a town and civil parish in Cornwall, England. The population of Redruth was 14,018 at the 2011 census. In the same year the population of the Camborne-Redruth urban area, which also includes Carn Brea, Illogan a ...

. It is owned and run by BT.

Services available

Analogue radio (LW/MW)

Analogue radio (FM/VHF)

Digital radio (DAB)

Digital television

Before switchover

Analogue television

Analogue television is no longer transmitted from Redruth. BBC Two was closed on 8 July 2009 and the remaining four services on 5 August.

References

External links

Entry for Redruth transmitting station at The Transmission GalleryTelevision Coverage MapFM Coverage MapRedruth Transmitter at thebigtower.com
{{Cornwall Buildings and structures in Cornwall Mass media in Cornwall Transmitter sites in England Unfree labor during World War II Redruth