ICAO NORTH ATLANTIC
1943 - 1944
Vik - Skuvanes - Mangersta
1944 - 1945
Vik - Skuvanes - Mangersta - Skaw
The British needed Loran coverage North of the Faroes and added the Skaw station to provide that coverage. It was the first time a second secondary was added to a specific Loran rate, by using a longer coding delay.
1945 - 1947
Vik - Skuvanes - Mangersta