Radio RSA Shortwave Interval Signal 1977

Radio RSA: The Voice of South Africa was the international broadcasting service of the Republic of South Africa. It was run by the South African Broadcasting Corporation from its inception on 1 May 1966 until its demise in 1992 An interval signal, or tuning signal, is a characteristic sound or musical phrase used in international broadcasting and by some domestic broadcasters, played before commencement or during breaks in transmission, but most commonly between programmes in different languages. It serves