NRK1
NRK1 is a television channel in Norway. It is the main channel of the Norwegian Broadcasting Corporation (NRK). Test broadcasts started on 12 January 1954 and regular test broadcasts started on 13 April 1958. Regular broadcasts started on 20 August 1960. It is Norway's oldest and largest television channel.  It was previously known as simply as "NRK". The channel now known as "NRK1", to distinguish itself from sister channel "NRK2", which started broadcasting in 1996.