The Associação de Radioamadores da Linha de Cascais, aka ARLC and Cascais Amateur Radio Association, was founded on 28 December 2011 to promote ham radio activity especially for youngsters, unite all amateurs, work with emergency authorities, and to support amateur radio and science investigation. The association has no profits, and its members are only required to pay a yearly membership fee. ARLC headquarters are at Alcabideche Fire Department. The Association is recognised by ANACOM (Portuguese Communications Authority, equivalent to the American Federal Communications Commission. Public utility status was issued by the Portuguese government to ARLC. The association's ham radio callsign station is CS5ARLC.