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London Weekend Television ended in 2002.
London Weekend Television was created on 1968-08-02.
at billmillers.com
It stands for the British broadcaster London Weekend Television (now part of ITV).
Go to wiki and type in LWT in the search box, it has an excellent article.
LWT (London Weekend Television)
ITV
Reruns:
TNT (1988-1992)
Nickelodeon (1994-1995)
Odyssey Network (1999-2000)