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Encyclopedia > Winter Hill TV Mast

Winter Hill Mast is a television mast situated on Winter Hill between Chorley and Bolton, in Lancashire, England. Winter Hill is a hill in southern Lancashire, England, located between Chorley and Bolton. ... Chorley is a market town in Lancashire, England, south of Preston. ... Location within the British Isles Arms of Bolton, the motto is Latin for Overcome your hinderance Bolton is a town in the Greater Manchester urban area in England, and traditionally part of Lancashire. ... Red Lancashire rose Lancashire is a county of England, lying on the Irish Sea. ... Wikimedia Commons has media related to: England Travel guide to England from Wikitravel English language English law English (people) List of monarchs of England – Kings of England family tree List of English people Angeln (region in northern Germany, presumably the origin of the Angles for whom England is named) UK...


The mast is 1015' 4" high and transmits to an area of approximately 50 miles in radius, and after a period of BBC ownership, is now owned and maintained by arqiva. It is the tallest manned mast in the country (the tower at Belmont is taller, but unmanned). The addition of a DTT digital antenna to the top of the mast extended its height to c.1030ft. Corporate logo of the British Broadcasting Corporation The British Broadcasting Corporation (BBC) is the national public service broadcaster of the United Kingdom (see British television). ... Arqiva is the new name for NTLs broadcast division, after it was sold to a consortium led by Macquarie Communications Infrastructure Group. ...

Contents


Construction

Unlike most masts, which are of a frame design, Winter Hill mast is of a tubular construction. 5 other masts in England share this design (Belmont, Bilsdale, Mendip, Waltham and the original ill-fated structure at Emley Moor). Support wires, to hold the mast vertical, are pitched at 120° when viewed from above. These are connected at 5 heights, giving 15 supports in total. These wires have recently been strengthened (and dampened) by arqiva, presumably to prevent the mast collapsing in the manner of Emley Moor's original structure. Belmont TV mast, near Market Rasen in Lincolnshire, United Kingdom, was constructed in 1959 and came into service on December 20 of that year. ... Bilsdale TV Mast is a 312 metre high (1022ft) guyed steel tube mast at Bilsdale West Moor, close to Helmsley, North Yorkshire — UK grid reference SE553962 — that is used for FM- and TV-transmission. ... The Mendip TV Mast The Mendip TV Mast The Mendip TV Mast is a 922-foot (281 m) tall television broadcasting mast. ... Waltham TV Mast is a 315 metre high (1035 ft) guyed steel tube mast at Waltham-on-the-Wolds, 5 miles north-east of Melton Mowbray, Leicestershire, UK. Waltham TV Mast was built in 1966/1967. ... The Emley Moor Mast 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. ...


Maintenance

An advantage of the tubular design is that engineers can ascend the inside of the mast and not be subject to adverse weather, which is a problem on frame structures. Maintaining the outside of the mast is typically performed using a bosuns chair.


A series of red lights shine continuously to warn aeroplanes of the masts presence, and to let people in the vicinity be aware of the danger of falling ice, which is quite common due to the altitude and winds. These lights can be maintained from the inside, as the bulbs swing inwards for maintenance.


Eight external platforms encircle the mast along its height, these can be accessed from the inside of the mast, and are used to maintain the supporting wires, and the ILR transmitters. The New York State School of Industrial and Labor Relations at Cornell University was established in 1944 (first students admitted 1945) as the worlds first school for college–level study in industrial and labor relations. ...


Output

The television output is NICAM, horizontally polarised, 500KW per station Effective Radiated Power. NICAM (known also as NICAM 728, after the 728 kbit/s bitstream it is sent over), Near Instantaneous Companded Audio Multiplex, is a format for digital sound over television. ... In radio telecommunications, effective radiated power or ERP is determined by subtracting system losses from system gains. ...


BBC1 - UHF channel 55 This article is about the radio frequency. ...


BBC2 - UHF channel 62


ITV1 - UHF channel 59


Channel 4 - UHF channel 65


Channel 5 - UHF channel 48


Freeview transmissions are also broadcast; 10kW for all mutilplexes apart from multplex A (channel five, QVC etc.). Freeview is a free-to-air digital television service in the United Kingdom broadcast from terrestrial transmitters using the DVB-T standard. ...


Multiplex 1 (BBC) - UHF channel 56 A multiplexer combines more than one input into a single output. ...


Multiplex 2 (Digital 3&4) - UHF channel 66


Multiplex A (SDN) - UHF channel 68


Multiplex B (BBC) - UHF channel 67


Multiplex C (Crown Castle UK) - UHF channel 43 and 60


Multiplex D (Crown Castle UK) - UHF channel 40 and 63



Multiplex C and D are transmitted parallel on UHF 43 and 40 originating from a smaller transmitter known as Winter Hill B


Plane Crash

On the 27th February 1958, a passenger jet travelling from the Isle Of Man to Manchester crashed into Winter Hill (previously known as Rivington Moor) several hundred yards away from the mast. 35 people died and 7 were injured. The weather that night was so severe that none of the engineers working in the transmission centre were aware of the crash. Several feet of snow hampered rescue efforts, and a snow cat vehicle had to be diverted from the A6 to cut a path for emergency vehicles. Manchester is a city in the North West of England. ... Located roughly north of Highland Avenue in Somerville, Massachusetts, Winter Hill is home to a number of lovingly restored homes. ...


Timeline

1956 - Granada commences black and white television broadcasting prior to main mast construction. 1956 (MCMLVI) was a leap year starting on Sunday of the Gregorian calendar. ...


1958 - Fatal plane crash kills 35 people, 7 survive. 1958 (MCMLVIII) was a common year starting on Wednesday of the Gregorian calendar. ...


1962 - BBC commence broadcasting. 1962 (MCMLXII) was a common year starting on Monday (link will take you to calendar). ...


1965 - Main mast is completed, replacing the old 450' construction, which is removed. 1965 (MCMLXV) was a common year starting on Friday (link goes to calendar). ...


1966 - VHF transmissions start. 1966 (MCMLXVI) was a common year starting on Saturday (link goes to calendar) // Events January January 1 - In a coup, Colonel Jean-Bédel Bokassa ousts president David Dacko and takes over the Central African Republic. ...


1968 - ITV build the single storey engineering building. 1968 (MCMLXVIII) was a leap year starting on Monday (the link is to a full 1968 calendar). ...


1969 - ITV and BBC transmit in UHF. 1969 (MCMLXIX) was a common year starting on Wednesday For other uses, see Number 1969. ...


1970 - Relaying service set up with Emley Moor mast. 1970 (MCMLXX) was a common year starting on Thursday. ...


1974 - Local radio stations set up wire frame ILR transmitters on the hill. 1974 (MCMLXXIV) is a common year starting on Tuesday (click on link for calendar). ...


1981 - Channel 4 create additional engineering building. 1981 (MCMLXXXI) is a common year starting on Thursday of the Gregorian calendar. ...


1982 - Additional ILR transmitter put into operation for further local radio. Channel 4 commences transmission. 1982 (MCMLXXXII) is a common year starting on Friday of the Gregorian calendar. ...


1983 - Channel 4 set up relay service. 1983 (MCMLXXXIII) is a common year starting on Saturday of the Gregorian calendar. ...


1998 - Century FM radio start broadcasting from the main mast. 1998 (MCMXCVIII) is a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean. ...


See also

It has been suggested that this article or section be merged with Table of masts. ... This article is a list of radio stations that are scattered on Earth. ... This is a list of radio stations in the United Kingdom: // National analogue and digital stations BBC Radio 1 BBC Radio 2 BBC Radio 3 BBC Radio 4 BBC Radio Five Live BBC World Service Classic FM talkSPORT Virgin Radio National digital-only stations BBC 1Xtra BBC Five Live Sports...

External links

  • Map of site
  • http://tx.mb21.co.uk/gallery/winterhill/index.asp
  • http://tx.mb21.co.uk/gallery/winterhill/maps.asp
  • http://en.structurae.de/structures/data/index.cfm?ID=s0017536

  Results from FactBites:
 
Winter Hill (1022 words)
At 456 metres (1498 feet) above sea level, Winter Hill is the highest point of the area to the west of the Pennines, a line of hills, known as the backbone of England, running roughly north - south between Lancashire and Yorkshire.
Sandstone was quarried from the hill for paving stones, primarily used in Manchester, Salford and Eccles between 1880 and 1920.
Winter Hill is home to a main television transmitter, radiating regional and national TV programmes on the UHF band in 625 line PAL in Nicam digital stereo, relays for national FM stereo radio, regional FM stereo radio and a local FM stereo transmitter.
  More results at FactBites »


 

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