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he who must rome

UK Emley Moor Mast.....before I did urbex 1996

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Location national grid reference: SE222128.

The tower is the tallest free-standing building in the United Kingdom, 4th in the European Union, and 25th in the world.

The current tower is the third structure to have occupied the site. The original tower was 135 metres (443 ft) which was a lattice tower and erected in 1956 to provide the Independent Television broadcasts to the Yorkshire area. The mast entered service on 3 November 1956, carrying the programmes of Granada TV (weekdays) and ABC TV (weekends). This was replaced in 1964 by a taller 385.5 metres (1,265 ft) guyed mast (identical to the structure still standing at Belmont in Lincolnshire).

Emley Moor has been used as a transmission site since the earliest days of TV transmission. The first permanent transmitter to be built there was an ITV transmitter, covering much of the North. It used a 135 metre lattice tower, which provided only limited coverage. The performance of the site was improved in 1966, in anticipation of colour PAL transmissions, when a 385 metre guy-supported tubular mast was erected, constructed from curved steel segments to form a 2.75 metres (9 ft) diameter tube, 275 metres (902 ft) long. This was surmounted by a lattice section 107 metres tall and a capping cylinder, bringing the total height to 386 metres (1,266 ft). At the time of its construction, it was one of the tallest standing structures in the world. It was designed by BICC and manufactured by EMI.

The cylindrical steel mast regularly became coated in ice during the winter months, and ice also formed in large icicles on the guy wires, placing them under considerably greater strain. The guy wires passed over several small roads, and thawing ice caused a falling icicle hazard. For this reason, red warning lights were placed on the tower for use in times of falling ice, with notices posted on the roads near the guy wire crossings.

On 19 March 1969, a combination of strong winds and the weight of ice that had formed around the top of the mast and on the guy wires brought the structure down. The Duty Engineer wrote the following in the station's log book, demonstrating that this failure of the structure was completely unexpected:

The collapse left sections of twisted mast strewn across the surroundings of the transmitter site and across several small local roads. Although one of the falling stay cables cut through a local church and wreckage was scattered all over the transmitter site, nobody was hurt in the collapse. The noise was reportedly heard for several miles. The collapse completely disabled the BBC2 UHF transmitter and the ITV VHF transmitter, leaving several million people without service. BBC1 VHF Television transmissions continued from the nearby Holme Moss transmitter. The ITA owned a collapsible emergency mast, 61 metres tall, and it was quickly moved to Emley from the ITA transmitter at Lichfield so that some service could be restored. ITV signals were restored to 2.5 million viewers within only four days. The BBC provided a mobile mast on an outside broadcast van, which was used to restore a restricted BBC2 colour service within just two days. The ITA bought a larger temporary mast from a Swedish company. A crew of Polish riggers, with Jozef Miciak in charge, were hired and a 204 metre mast was erected in just under 28 days at a cost of �100,000. However, this mast could hold only one set of antennas, so many viewers in outlying areas still could not receive colour programmes. The taller mast was brought into service on 16 April. Some weeks later, the BBC erected a 91 metre mast, improving coverage.

The accumulation of ice was generally believed to have caused the collapse, but a committee of inquiry attributed it to a form of oscillation which occurred at a low but steady wind speed. Modifications were then made to similar masts at Belmont and Winter Hill, including the hanging of 150 tons of steel chains within each structure. None of the modified masts have collapsed.

After a series of temporary masts, erection of the current concrete-built tower began in 1969 with UHF (625-line colour) transmissions commencing on 21 January 1971 with the older VHF (405-line black & white) system coming into operation on 21 April 1971. Local residents did not wish to see another mast on Emley Moor, and so a departure from normal designs was called for. The new structure consists of a curved pillar, 275 metres tall, constructed of reinforced concrete, topped by a 55 metre steel lattice mast which carries the antennas.

A section of the collapsed tower was converted for use as a racing control tower at nearby Huddersfield Sailing Club.

The structure is a tapered, reinforced concrete tower. It is the tallest freestanding structure in the United Kingdom at a height of 1,084 feet (330 m). Reaching the Tower Room at the top of the concrete part of the tower at 900 feet (274 m) involves a seven-minute journey by lift (rack and pinion type). The antenna structure above this is a further 184 feet (56 m). Its foundations penetrate 20 feet (6 m) into the ground and the whole structure, including foundations, weighs 11,200 tonnes. It was designed by Ove Arup and Partners. When it was built, it was the third-tallest freestanding structure in Europe, after the Ostankino Tower at 1,772 feet (540 m) and the Fernsehturm Berlin (current height 1,207 feet (368 m).

The top of the tower is 1,949 feet (594 m) above sea level due to the site's elevated position on the Eastern edge of the Pennines.

In 2002, the UK Government declared Emley Tower a Grade II Listed Building of 'significant architectural or historic interest'.

BBC Two analogue will cease transmissions on 7 September 2011. The remaining four analogue services will follow on 21 September 2011, with the digital multiplexes given a power increase.

Things they didn't tell you was the real need for the change over from analogue to digital was not because they were running out of "air space" but to create money from YOU the customer !!!....sounds daft you may say but it isn't if you think about it its a big money making idea all round for businesses also another thing is when the change over takes place if you have no digital TV or receiver then the word was (back when the meeting to change over was) any customer who has not got a digital receiver will be given free of charge !, this was part of the agreement for the analogue to digital.....

Don't know about the rest of you but I believe that ALL BBC channels and radio stations should be scrambled just like SKY and you pay for what you want !!!!! after all the TV license is only for that company !!!!!

Instead were all ripped off and have to pay the fees even if you do not watch the bloody BBC crap !!!. :angry2::angry2::angry2:

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From inside the viewing gallery

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sorry about the moan.....but thats just me..... :thumb

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