Menu – Other Canadian Radar Lines

North Warning System (NWS), with Site Table. The successor to the DEWLine.
Map of the North Warning System.
Mid-Canada Line (MCL). Information, photos, and stories about the Mid-Canada Radar Line.
Pinetree Line. An copy of the original website that was taken down in 2009. For more information on the Pinetree Line, visit the online Canadian Civil Defence Museum here.