The
Alexandra Palace
Alexandra Palace is a Grade II listed entertainment and sports venue in London, situated between Wood Green and Muswell Hill in the London Borough of Haringey. It is built on the site of Tottenham Wood and the later Tottenham Wood Farm. Origi ...
television station in North London () is one of the oldest
television
Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertisin ...
transmission sites in the world. What was at the time called "high definition" (
405-line
The 405-line monochrome analogue television broadcasting system was the first fully electronic television system to be used in regular broadcasting. The number of television lines influences the image resolution, or quality of the picture.
It was ...
) TV broadcasts on
VHF were beamed from this mast from 1936 until the outbreak of
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. It then lay dormant until it was used very successfully to
foil
Foil may refer to:
Materials
* Foil (metal), a quite thin sheet of metal, usually manufactured with a rolling mill machine
* Metal leaf, a very thin sheet of decorative metal
* Aluminium foil, a type of wrapping for food
* Tin foil, metal foil ...
the German
Y-Gerät
The Battle of the Beams was a period early in the Second World War when bombers of the German Air Force (''Luftwaffe'') used a number of increasingly accurate systems of radio navigation for night bombing in the United Kingdom. British scientific ...
radio navigation system during the last stages of the
Battle of Britain
The Battle of Britain, also known as the Air Battle for England (german: die Luftschlacht um England), was a military campaign of the Second World War, in which the Royal Air Force (RAF) and the Fleet Air Arm (FAA) of the Royal Navy defende ...
. After the war, it was reused for television until 1956, when it was superseded by the opening of the
BBC #REDIRECT BBC #REDIRECT BBC
Here i going to introduce about the best teacher of my life b BALAJI sir. He is the precious gift that I got befor 2yrs . How has helped and thought all the concept and made my success in the 10th board exam. ...
...
. In 1982 Alexandra Palace became an active transmitting station again, with the opening of a relay transmitter to provide UHF television service to parts of North
poorly covered from Crystal Palace.
The transmitter is owned and maintained by
.
of April 2012. However, only 3 of the 6
are available: BBC A & B and Digital 3&4.
BBC A launched on UHF 61 on 4 April 2012, before moving to its final allocation of UHF 49 on 18 April, when BBC B and Digital 3&4 launched. As part of the 700 MHz clearance programme the UHF channel numbers were changed in March 2018.
Analogue television is no longer transmitted from Alexandra Palace. BBC Two was closed on UHF 64 on 4 April 2012, when ITV1 temporarily moved into its frequency. The remaining three analogue services closed down on 18 April 2012.
*Aerial group: C/D
*Polarisation: horizontal