Alexandra Palace

Alexandra Palace is the site of the world's first public broadcasts of high-definition television and is one of the oldest television transmission sites in the world. Set in Alexandra Park, the palace was built in 1873 as a public recreation, education and entertainment centre.

BBC television transmissions commenced in 1936 with two competing systems - Marconi-EMI's 405-line system and Baird's 240-line system. The Marconi-EMI and Baird signals were transmitted on alternate weeks until the 405-line system was chosen in 1937.

The palace continued to be the main television transmitter for London until the outbreak of World War II. During the war the transmitter was used to jam German bomber's radionavigation systems. After the war, television transmissions continued until 1956, when they was superseded by the opening of the BBC's new main transmitting station for London at Crystal Palace.

Alexandra Palace became an active transmitting station again in 1982 to provide VHF FM radio, UHF television and digital radio services to those parts of North London poorly covered from Crystal Palace. Today the transmitter is owned and maintained by National Grid Wireless.

Europe / UK-England

Lat: 51° 35' 40.4" N
Long: 1° 8' 43.9" W

Elevation: 93 m

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