 These studios were officially opened by then Prime Minister Robert Menzies on Saturday 29 April 1939 and the program was then relayed across the Victorian Broadcast Network (made up of 3SH and 3HA at the time) to which it then belonged.For the most of the station's life it operated on the AM band, most recently at 1242 kHz.On Friday 26 April 2002 at midday the station officially became 3TR FM.