 Tarzian worked for the Atwater Kent company and then for RCA in Bloomington, Indiana.He founded the manufacturing company "Sarkes Tarzian Enterprises" in 1944, and was involved in early experiments in VHF audio broadcasting in 1946.In May of that year, he began operating a 200-watt experimental AM station, W9XHZ, on 87.75 MHz in Bloomington.