- National Grid Wireless
National Grid Wireless (formerly
Crown CastleUK) is a company which provides telecommunications infrastructureand broadcast transmission facilities in the UK. Its main customers are broadcasters and mobile phone network operators, and its main asset is a network of over 1,000 radio and television transmission sites. It is owned by the Australian investment house Macquarie Bank[cite web|url=http://media.guardian.co.uk/city/story/0,,2049277,00.html?gusrc=rss&feed=4|title=Macquarie buys digital bidder|accessdate=2007-04-04] , which also owns former competing broadcast company, Arqiva.
Crown Castle UK was formed from the domestic transmitter network of the
BBC, which was privatised in 1997.
It was a subsidiary of
Crown Castle, but since 31 August2004 it was owned by National Grid plc. On 11 October2005 the company was renamed National Grid Wireless.
3 April, 2007National Grid Wireless was acquired by Arqiva for £2.5 billion [cite web|url=http://www.arqiva.com/press-office/press-releases/press-releases-2007/arqiva-and-national-grid-wireless-combine-to-create-unified-uk-c|title=Arqiva and National Grid Wireless to create unfied UK communications infrastructure - Arqiva.com|accessdate=2007-04-04] .
National Grid Wireless led a consortium bidding for the second UK national DAB
multiplexlicence, but was unsuccessful. The licence was awarded instead to 4 Digital Groupin July 2007. [cite web|url=http://www.guardian.co.uk/media/2007/jul/06/channel4.radio|title=Channel 4 wins radio multiplex bid - MediaGuardian.co.uk|accessdate=2008-01-08]
Notable National Grid Wireless transmitter sites
Arqiva(National Grid Wireless' former competitor, formerly known as NTL Broadcast)
VT Communications(Formerly Merlin Communications, formed from privatisation of BBC World Servicetransmitter sites.)
RTÉ Network Limitedin the Republic of Ireland
* [http://www.nationalgridwireless.com National Grid Wireless]
** [http://www.uk.nationalgridwireless.com/ UK site]
** [http://www.us.nationalgridwireless.com/ USA site]
* Pawley, Edward (1972). "BBC Engineering 1922-1972". London, BBC. ISBN 0-563-12127-0
* Shacklady, Norman and Ellen, Martin (2003). "On Air: A History of BBC Transmission". Wavechange Books. ISBN 0-9544077-1-7 (paperback) ISBN 0-9544077-0-9 (hardback).
Wikimedia Foundation. 2010.
Look at other dictionaries:
National Grid Company — National Grid National Grid Création 1990 … Wikipédia en Français
National Grid Transco — National Grid National Grid Création 1990 … Wikipédia en Français
National Grid plc — National Grid National Grid Création 1990 … Wikipédia en Français
Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… … Wikipedia
Grid computing — is a term referring to the combination of computer resources from multiple administrative domains to reach a common goal. The grid can be thought of as a distributed system with non interactive workloads that involve a large number of files. What … Wikipedia
National University of Singapore — Coat of Arms of NUS Established 1905 (1905) Type Autonomous Endowment … Wikipedia
National Broadband Plan (United States) — Connecting America: The National Broadband Plan, unveiled March 16, 2010, is a FCC (Federal Communications Commission) plan which deals with improving broadband Internet access throughout the United States. One goal was providing… … Wikipedia
National broadband plans from around the world — Broadband is a term normally considered to be synonymous with a high speed connection to the internet. The term itself is technology neutral; broadband can be delived by a range of technologies including DSL, LTE or next generation access. This… … Wikipedia
National Infrastructure Reinvestment Bank — Public infrastructure Assets and facilities Airports · Bridges · Broadband … Wikipedia
Smart grid — Public infrastructure … Wikipedia