Ã -- 3 Austria Top 40 is the name of the official Austrian singles chart , as well as the radio show which presents it . The show airs Fridays on Hitradio Ã -- 3 . Ã -- 3 Austria Top 40 is the name of the official Austrian singles chart , as well as the radio show which presents it , aired Fridays on Hitradio Ã -- 3 .