About

Contest Club Ontario (CCO) is Ontario's entry into International Club competitions in the 21st Century, providing one vehicle to highlight Canadian participation in these contests.



It brings together the talents of a large number of Amateur Radio contest operators in Ontario who may now focus on a common goal, in addition to traditional individual competition. Formed in July 2002 with only 16 members it had grown to 35 members by the end of August of that year. In 2017 CCO membership broke the 300 mark.