[TABLECONTEXT]:CALLSIGN:7DY####7DY:PURPOSE:Commercial####[TABLECONTEXT]:[TITLE]:List of radio station callsigns in Tasmania####7DY:AREA_SERVED:Derby####7DY:FATE:Moved to Scottsdale and changed call to 7SD in 1954
A commercial callsign, 7DY served the Derby area in Tasmania but moved to Scottsdale and changed its call to 7SD in 1954.