King was an engineering student at Kansas State University.
[1] The company was moved shortly after its formation to a plant in Olathe, Kansas.
In 1970 King Radio released the KX 175 the first low cost all solid state VHF navigation and communications unit with TSO design approval, which was the first affordable general aviation digitally synthesized radio, which together with its derivatives, the KX170B and KX 175B, became what is known as the most reliable radio of its times, for use in general aviation.
In 1983, King Radio was acquired by the Allied Corporation, which also purchased Bendix Aviation that same year.
Allied Corporation merged with the Signal Companies in 1985 to form AlliedSignal.