More information : (TA 0517 8911) Earthwork remains of Second World War high frequency directioin finding radio post, part of the Scarborough Castle complex.
In October-November 1998, the Royal Commission on the Historical Monuments of England carried out an analytical field survey of Scarborough Castle (Parent Record TA 08 NW 35; Event Record 1205090).
The site of the direction finding radio post is is defined by a circular bank 4m in diameter and 0.3m high. Two slight curving scarps on the south and east sides of the feature may represent spoil from the demolition of the tower, which was probably of wood with a brick casing around the base. For further details, see the detailed report held in the NMR archive, which includes versions of the 1:1000 scale plan and extracts from historic maps. The remainder of the archive material is also available from the NMR. (1 and 2)
The tower appears in an aerial photograph taken around the year 1947 and published in a guide to Scarborough Castle in 1960. (1a)
The tower and other structures presumably connected with the operation of the Direction Finding Post are shown on a manuscript map of 1947. (1b)
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