The transmitter is on Waterman Avenue at Hollinger Road in the O'Connor-Parkview neighbourhood near the Don River.

Mrs. Maniatakos operated a closed circuit specialty audio service in Toronto since 1966 under the name CHCR-FM.

On June 10, 2009, CHTO applied to the Canadian Radio-television and Telecommunications Commission (CRTC) to increase the daytime transmitting power to 3,000 watts, in an effort to serve communities in Mississauga and Brampton.

On December 4, 2012, the CRTC approved a change in ownership of the station to John Maniatakos due to the 2009 death of his mother, original owner Mrs.

[3] On October 14, 2015, Canadian Hellenic Toronto Radio Inc. submitted an application to add an AM transmitter at Mississauga.