RCAF Winisk was one of eight Sector Control Stations on the Mid-Canada Line system of radar stations. Each SCS received signals from a series of unmanned detection sites located approximately 50 km apart.
The RCAF's Winisk station served as part of an extensive network of radar stations, known as the Mid-Canada Line, which comprised eight Sector Control Stations. These stations relied on remote detection sites, spaced about 50 kilometers apart, to transmit signals.