TR0721 : Sound Mirrors at Denge

taken 16 years ago, near to Lydd (london-Ashford) Airport, Kent, Great Britain

Sound Mirrors at Denge
Sound Mirrors at Denge
These experimental sound mirrors were an early attempt at long-range aircraft detection and were built in the early 1930s. The smaller 20-foot mirror was the first to be built followed by the larger 30-foot mirror. It was intended to have a network of these larger mirrors along the Kent coast to detect incoming enemy action. This however was the only one built - radar came along and they were made totally obsolete overnight.
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TR0721, 49 images   (more nearby search)
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Date Taken
Sunday, 4 September, 2005   (more nearby)
Monday, 5 September, 2005
Military buildings (disused)   (more nearby)
Subject Location
OSGB36: geotagged! TR 075 215 [100m precision]
WGS84: 50:57.3336N 0:57.1866E
Camera Location
OSGB36: geotagged! TR 075 215
View Direction
Northeast (about 45 degrees)
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Image classification(about): Geograph (Second Visitor for TR0721) · First in 5 Years (TPoint) (about)
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