The Strabane transmitting station is a

broadcasting Broadcasting is the data distribution, distribution of sound, audio audiovisual content to dispersed audiences via a electronic medium (communication), mass communications medium, typically one using the electromagnetic spectrum (radio waves), ...

and

telecommunications Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of ...

facility located at Legfordrum and situated very close to the town of

Strabane Strabane (; ) is a town in County Tyrone, Northern Ireland. Strabane had a population of 13,507 at the 2021 United Kingdom census, 2021 census. This article contains quotations from this source, which is available under th Open Government Li ...

, in

County Tyrone County Tyrone (; ) is one of the six counties of Northern Ireland, one of the nine counties of Ulster and one of the thirty-two traditional counties of Ireland. Its county town is Omagh. Adjoined to the south-west shore of Lough Neagh, the cou ...

Northern Ireland Northern Ireland ( ; ) is a Countries of the United Kingdom, part of the United Kingdom in the north-east of the island of Ireland. It has been #Descriptions, variously described as a country, province or region. Northern Ireland shares Repub ...

(Grid Reference: H393947, GNR: IH393947). 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 includes a high guyed steel lattice mast, which is the tallest structure in Ireland. The transmission

antennas In radio-frequency engineering, an antenna (American English) or aerial (British English) is an electronic device that converts an alternating electric current into radio waves (transmitting), or radio waves into an electric current (receivi ...

surmounting the structure are contained within a fibreglass cylinder. Constructed in 1963, it came into service on 18 February of that year.

History

It was originally commissioned by the

Independent Television Authority The Independent Television Authority (ITA) was an agency created by the Television Act 1954 ( 2 & 3 Eliz. 2. c. 55) to supervise the creation of " Independent Television" (ITV), the first commercial television network in the United Kingdom. The ...

to bring ITV signals (provided by

Ulster Television UTV (formerly Ulster Television, branded on air as ITV1 since 2020) is the ITV (TV network), ITV region covering Northern Ireland, ITV subsidiary and the former on-air name of the free-to-air public broadcast television channel serving the ar ...

) to the west of Northern Ireland, including the districts of

Derry Derry, officially Londonderry, is the second-largest City status in the United Kingdom, city in Northern Ireland, and the fifth-largest on the island of Ireland. Located in County Londonderry, the city now covers both banks of the River Fo ...

and

Enniskillen Enniskillen ( , from , ' Ceithlenn's island') is the largest town in County Fermanagh, Northern Ireland. It is in the middle of the county, between the Upper and Lower sections of Lough Erne. It had a population of 14,086 at the 2011 censu ...

405-line The 405-line monochrome analogue television broadcasting system was the first fully electronic television system to be used in regular broadcasting. The number of television lines influences the image resolution, or quality of the picture. It ...

VHF, using Channel 8 (

Band III Band III is the name of the range of radio frequencies within the very high frequency (VHF) part of the electromagnetic spectrum from 174 to 240 megahertz (MHz). It is primarily used for radio and television broadcasting. It is also called h ...

). The transmitter commenced full service on Monday 18 February 1963. 405 line television was discontinued in the UK in 1985. When

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 ...

television came to Northern Ireland, main transmitters were commissioned at

Limavady Limavady (; ) is a market town in County Londonderry, Northern Ireland, with Binevenagh as a backdrop. Lying east of Derry and southwest of Coleraine, Limavady had a population of 11,279 people at the 2021 Census. In the 40 years between 1 ...

and Brougher Mountain, near

Omagh Omagh (; from , meaning 'the virgin plain') is the county town of County Tyrone, Northern Ireland. It is situated where the rivers River Drumragh, Drumragh and Camowen River, Camowen meet to form the River Strule, Strule. Northern Ireland's c ...

. However this left a gap in the Strabane and

Newtownstewart Newtownstewart is a village and townland of in County Tyrone, Northern Ireland. It is overlooked by hills called Bessy Bell and Mary Gray and lies on the River Strule below the confluence with its tributary the Owenkillew. It is situated in the ...

areas, so in July 1977 UHF television was added to the Strabane site. Due to the elevation of the antennas (584 m above sea level), a 2 kW

effective radiated power Effective radiated power (ERP), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter. It is the total power in watts that would ha ...

was sufficient to cover a very wide area, with

coverage Coverage may refer to: Filmmaking * Coverage (lens), the size of the image a lens can produce * Camera coverage, the amount of footage shot and different camera setups used in filming a scene * Script coverage, a short summary of a script, writ ...

available well into

County Donegal County Donegal ( ; ) is a Counties of Ireland, county of the Republic of Ireland. It is in the Provinces of Ireland, province of Ulster and is the northernmost county of Ireland. The county mostly borders Northern Ireland, sharing only a small b ...

. In 2001, the site was installed with a transmitter for Score Northern Ireland, a regional digital radio

multiplex Multiplex may refer to: Science and technology * Multiplex communication, combining many signals into one transmission circuit or channel ** Multiplex (television), a group of digital television or radio channels that are combined for broadcast * ...

Digital switchover Digital usually refers to something using discrete digits, often binary digits. Businesses *Digital bank, a form of financial institution *Digital Equipment Corporation (DEC) or Digital, a computer company *Digital Research (DR or DRI), a software ...

took place in Northern Ireland in October 2012, when analogue TV transmissions from this station were replaced by digital transmissions. The

area is approximately the same as the analogue services, and there are three digital multiplexes transmitted.

Services listed by frequency

Digital radio (DAB)

Digital television until 04/09/2019

Digital television after 04/09/2019

Analogue television

References

External links

The Transmission Gallery entry for Strabane transmitting station

TV Coverage Map
* http://skyscraperpage.com/diagrams/?b54396

{{Supertall Radio masts and towers in Europe Transmitter sites in Northern Ireland