- Belmont transmitting station
Infobox UK Transmitter
name = Belmont
Tallest Structure in the UK and EU
height = convert|387.5|m|ft|0|abbr=oncite web|url=http://www.e-lindsey.gov.uk/planning/AcolNetCGI.gov?ACTION=UNWRAP&RIPNAME=Root.PgeResultDetail&TheSystemkey=100407|title=Arqiva planning application|publisher=East Lindsey District Council|date=2008-08-29]
built = 1965
height increased = 1967
BBC Yorkshire and Lincolnshire
ITV = ITV Yorkshire
(ITV Anglia 1965-1974)
The Belmont transmitting station is a
broadcastingand telecommunicationsfacility, situated next to the B1225, one mile west of the village of Donington on Bain, near Market Rasenand Louth in Lincolnshire, England(gbmapping|TF217837). It is owned and operated by Arqiva. It is a guyed tubular steel mast, with a lattice upper section. Standing a total height of convert|387.5|m|ft|0|abbr=on ] it is considered to be the tallest structure of its kind in the world, the tallest structure of any type in the United Kingdomand also the tallest structure within the European Union.
The mast was constructed in 1965 and it came into service on
20 Decemberof that year. As built it was a tubular pipe 900 feet long by 9 feet in diameter, surmounted by a 365 ft lattice upper section. (An identical mast was constructed in 1964 at Emley Moornear Huddersfieldin Yorkshire, but that mast collapsed due to guy failure caused by icing and high winds on 19 March, 1969.)
In September 1967 meteorological equipment was added to the 1,265 ft mast extending its height to 1,272 ft (387.7m). The imperial measurement was the accepted value quoted by a number of publications, including the 1993 edition of the Guinness Book of Records.Guinness Book of Records 39th Edition (1993), page 93 - ISBN 0-85112-978-1] The metric measurement quoted by the current owners is convert|0.2|m|in|0|abbr=on shorter.
The planning application ] quoted in the references will, if passed, reduce the height of the transmitter by 118 feet (about 10%). The remaining structure would only be 1,154 ft tall, which would relegate it to 14th highest EU structure and 2nd highest in the UK. Comments must be received by ELDC before
18 October 2008.
From its location, high in the
Lincolnshire Wolds, it is used to broadcast both analogue and digital television and radio to parts of Lincolnshire, north Nottinghamshire, South Yorkshire, north-west Norfolk, Hull and East Yorkshire. When it was first operated it transmitted (amongst others) pictures from ITVstation Anglia Television. Following a re-organisation of ITV coverage in 1972, from 1974 it started transmitting pictures from neighbouring station Yorkshire Televisioninstead, which it continues to do to this day.
Belmont has few repeater stations, with a lot of Lincolnshire and East Yorkshire being flat. The strongest repeater station is at Oliver's Mount and there are two in the
Yorkshire Wolds. The Belmont transmitter can be received some distance outside of the intended broadcast area.
At 500 kW E.R.P. (for the four main analogue channels) Belmont is one of the most powerful transmitters in the UK, though there are four UK transmitters which are more powerful. Sutton Coldfield, Crystal Palace and Sandy are all 1000kW and Emley Moor is 870kW. Channel 5 is only broadcast at 50 kW from Belmont and digital at 10 kW (Multiplex 1, 2, A, B) and 4 kW (Multiplex C, D) although this level of digital power is theoretically equal to 500 kW on analogue in terms of the received carrier to noise ratio required to give a "perfect" picture. After
digital switchoverBelmont's digital transmitting power will rise to 50 kW (for MUX4), 100kW (for MUXES 5 & 6) and 150kW (for MUXES 1 to 3), source [http://www.ofcom.org.uk/tv/ifi/tech/dsodetails/81plan.pdf Ofcom] .
It should be noted that different sources (even "official" ones) give differing digital output powers for Belmont, and several other transmitters come to that.
Digital Switch Over
In October 2008, plans were submitted which would see 120 feet chopped off the top of Belmont. This would mean the mast would be smaller than several over towers and aerials, this has angered locals and transmitter enthusiasts alike [http://www.marketrasenmail.co.uk/news/Belmont-to-be-cut-down.4566349.jp] .
Channels listed by frequency
=Analogue radio (FM
MHz- BBC Radio 2
MHz- BBC Radio 3
MHz- BBC Radio 4
MHz- BBC Radio Lincolnshire
MHz- BBC Radio 1
MHz- Classic FM
MHz- Lincs FM
=Digital radio (DAB)=
* Block 11D: 222.06
MHz- Digital One
* Block 12A: 223.93
MHz- MXR Yorkshire
* Block 12B: 225.64
* UHF 30 (546
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] 1 - BBC
* UHF 48 (690
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] 2 - Digital 3&4
* UHF 57 (762
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] D - National Grid Wireless
* UHF 60 (786
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] C - National Grid Wireless
* UHF 66 (834
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] B - BBC
* UHF 68 (850
MHz) - [http://www.digitalspy.co.uk/terrestrial/mux/ Multiplex] A - S4C Digital Networks
Details of all the muxes can be found at [http://www.linuxtv.org/wiki/index.php/UkDvb-t]
Belmont began digital TV on November 15 1998. In July 2007 it was confirmed by Ofcom that Belmont would be remaining a wideband transmitter after digital switchover, though the first four - of the six - MUXES would still be available within the original A group, as this [http://www.aerialsandtv.com/belmonttx.html#BelmontGraph graph] makes clear. The switchover will occur at the Belmont site in July 2011, the existing analogue and digital signals will be turned off and replaced with higher power digital signals, the channels for these signals will be:
* UHF 22 - BBC A - Previously Multiplex 1
* UHF 25 - D3&4 - Previously Multiplex 2
* UHF 28 - SDN - Previously Multiplex B
* UHF 30 - BBC B - Previously Multiplex A
* UHF 53 - NGW A - Previously Multiplex C
* UHF 60 - NGW B - Previously Multiplex D
List of tallest buildings and structures in the world
List of tallest buildings and structures in Great Britain
List of masts
List of radio stations in the United Kingdom
* [http://tx.mb21.co.uk/gallery/belmont/index.php The Transmission Gallery: Belmont index] .
* [http://tx.mb21.co.uk/mapsys/anatv/belmont.php TV coverage] .
* [http://www.aerialsandtv.com/belmonttx.html Info and pictures of Belmont] .
* [http://www.ukfree.tv/txdetail.php?a=TF218836 Freeview] .
* [http://www.skyscraperpage.com/diagrams/?b533 Skyscraperpage plan of Belmont] .
* [http://www.geograph.org.uk/gridref/TF2183 Pictures] .
* [http://www.louthleader.co.uk/news/Belmont-TV-transmitter-lights-turned.4331231.jp Article about Belmont's lights being turned out] .
* [http://www.marketrasenmail.co.uk/news/Belmont-to-be-cut-down.4566349.jp Article about Belmont's possible cut in size] .
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