Ottercops Chain Home radar station (Elsdon) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
1) Defence Lines 8 (July 1997) 12-14 (Sir E Fennessy)
2) AP RAF/106G/UK/628 10-Aug-1945 4313-4314
3) Dobinson, C S, 1996. Twentieth Century Fortifications in England, vol I.4. Anti-aircraft artillery site gazetteer. CBA (620)
4) Hall, I, 2013. Relics of War; A Guide to the 20th Century Military Remains in the Northumberland Landscape. Wanney Books (39)
5) Dobinson, C, 2010. Building Radar: Forging Britain's early-warning chain 1939-45. London: Methuen (621)
6) This record includes National Record of the Historic Environment Information provided by Historic England on 4 January 2021 licensed under the Open Government Licence [http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/]
6a) Dobinson, C S, 2000. Twentieth century fortifications in England, volume 7. Acoustics and radar: England's early warning systems 1915-1945
volume 1. Text; volume 2. Appendices and Site gazetteer, p162
6b) Anderton, Michael J, 2000. Twentieth century military recording project: World War Two radar stations, p48
6c) Royal Air Force and Crown Copyright, 2004. 13 Group Stations of the the Battle of Britain <
6d) Ordnance Survey Map 1:2,500 / 2007