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Emley Moor

Emley Moor (located at 53°36' North, 1°39' West) is an area of moorland near the village of Emley, near Huddersfield in West Yorkshire, England. It is the site of the Emley Moor transmitting station, the television mast of which is the tallest unsupported structure in the United Kingdom at a height of 330 metres (1083 feet). This is taller than 1 Canada Square, Britain's tallest building, which is only 244 metres tall.

The top of the tower stands at 594 metres above sea level, and the mast's foundations are 6.1 metres deep.

The current mast is the third to have occupied the site. The original 135m (445ft) tower was errected in 1956 to provide independent television broadcasts to the Yorkshire area. It was replaced ten years later by a more powerful 365m (1265ft) cable supported mast.

On 19 March 1969, a combination of strong winds and the weight of ice that had formed around the top of the mast brought the structure down. After a series of temporary masts, the current concrete-built mast was erected in 1970 with transmissions commencing on 21 January 1971. It was designed by Ove Arup and Partners.

The Emley Moor mast broadcasts BBC1, BBC2, ITV1 Yorkshire, Channel 4, Channel 5, six digital television multiplexes, two digital radio multiplexes and two independent local radio stations (Galaxy Radio and Real FM) over an area of approximately 10,000 sq km.