"indicativo de chamada"@pt . . "A call sign is not the name of a broadcaster! In broadcasting and radio communications, a call sign (also known as a call name or call letters, or abbreviated as a call) is a unique designation for a transmitting station."@en . . . . "call sign"@en . "Indicativo de chamada (tamb\u00E9m chamado de call-sign, call letters ou simplesmente call) \u00E9 uma designa\u00E7\u00E3o \u00FAnica de uma esta\u00E7\u00E3o de transmiss\u00E3o de r\u00E1dio. Tamb\u00E9m \u00E9 conhecido, de forma err\u00F4nea, como prefixo."@pt .