Clarence C. Moore (1904-1979) was an engineer and minister at Radio Station HCJB (subsequently known as HCJB Global and now known as Reach Beyond) with primary transmitters in Quito, Ecuador. He went on to found International Radio and Electronics Corporation (IREC) in Elkhart, Indiana which was renamed Crown International in the 1960s at the suggestion of his wife Ruby. Crown International manufactures electronic devices including power amplifiers. The audio division was acquired by Harman International in March 2000.
Moore was an amateur radio operator with a call sign of W9LZX. He developed and patented US 2,537,191 () the Quad loop antenna.