 On October 15, 2010, Blackburn applied to increase CKLO-FM's effective radiated power from 4,000 to 12,600 watts (directional antenna with a maximum ERP from 7,000 to 40,000 watts), by increasing the effective height of antenna above average terrain from 106.5 to 150 meters and by changing the transmitter site.This application was approved on January 12, 2011.In addition to London, the station's coverage area targets Ailsa Craig, St. Thomas, and Strathroy; it also has a slight null to the east of London, to avoid co-channel interference from CHFI in Toronto.